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Failed to start nginx high performance web server subject ошибка юнита nginx service

I try to start this service but i can´t, the error below occur:

root@zabbix:/home/appliance# systemctl status nginx.service

nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2018-07-25 18:33:26 UTC; 1min 27s ago
  Process: 30040 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE)
  Process: 30037 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)

Jul 25 18:33:25 zabbix nginx[30040]: nginx: [emerg] listen() to [::]:80, backlog 511 failed (98: Address already in use)
Jul 25 18:33:25 zabbix nginx[30040]: nginx: [emerg] listen() to 0.0.0.0:80, backlog 511 failed (98: Address already in use)
Jul 25 18:33:25 zabbix nginx[30040]: nginx: [emerg] listen() to [::]:80, backlog 511 failed (98: Address already in use)
Jul 25 18:33:26 zabbix nginx[30040]: nginx: [emerg] listen() to 0.0.0.0:80, backlog 511 failed (98: Address already in use)
Jul 25 18:33:26 zabbix nginx[30040]: nginx: [emerg] listen() to [::]:80, backlog 511 failed (98: Address already in use)
Jul 25 18:33:26 zabbix nginx[30040]: nginx: [emerg] still could not bind()
Jul 25 18:33:26 zabbix systemd[1]: nginx.service: Control process exited, code=exited status=1

Jul 25 18:33:26 zabbix systemd[1]: *******Failed to start A high performance web server*** and a reverse proxy server.****

Jul 25 18:33:26 zabbix systemd[1]: nginx.service: Unit entered failed state.
Jul 25 18:33:26 zabbix systemd[1]: nginx.service: Failed with result 'exit-code'.

Richie Thomas's user avatar

asked Jul 25, 2018 at 18:43

Cibele's user avatar

You already have a process bound to the HTTP port 80. (Specially after upgrading systems! it will start apache2 by default)

So first try this:

sudo service apache2 stop
sudo systemctl restart nginx

If problem is not solved then run this command sudo lsof -i:80 to get a list of processes using the port and then stop or disable web server.

Try to stop the process which are using the port 80 using:

sudo fuser -k 80/tcp
sudo systemctl restart nginx

In some cases it may be some issues in the configuration file.

You can use nginx -t -c /etc/nginx/nginx.conf command to find any miss-configuration.

In some cases this error is caused by a default Nginx site already on port 80. Removing default config works if you don’t need a default one!

sudo rm /etc/nginx/sites-enabled/default
sudo service nginx restart

answered May 31, 2020 at 12:13

Mahdi Younesi's user avatar

Mahdi YounesiMahdi Younesi

6,4992 gold badges19 silver badges50 bronze badges

5

For me this error was caused by a default nginx site already on port 80. Removing default site worked

sudo rm /etc/nginx/sites-enabled/default
sudo service nginx restart

answered Dec 13, 2019 at 21:54

frmbelz's user avatar

frmbelzfrmbelz

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1

You already have a process bound to the HTTP port 80.
You can run command sudo lsof -i:80 to get a list of processes using the port and then stop/disable web server.

answered Jul 25, 2018 at 21:16

Valery Viktorovsky's user avatar

Try to stop the process which are using the port 80:

sudo fuser -k 80/tcp

snoob dogg's user avatar

snoob dogg

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answered Feb 18, 2019 at 11:01

shrikant joshi's user avatar

2

Try to stop the process which is using port 80:

sudo fuser -k 80/tcp

When you did restart using

sudo systemctl restart nginx

answered Sep 26, 2020 at 5:01

Sudhan's user avatar

SudhanSudhan

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It may be some issues in the configuration file. You can use this
nginx -t -c /etc/nginx/nginx.confcommand to find any bugs in the configuration file. If you find the bugs resolve that run the sudo service nginx restart again. It will work.

Please check the reference here

answered Nov 1, 2019 at 8:19

sanzmalz's user avatar

sanzmalzsanzmalz

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In my experience, this error can be triggered in several different situations (which might have the same root, but are perceived as different scenarios).

Not only port 80

Depending on your nginx config, you should also try port 443:

  • sudo lsof -i:80
  • sudo lsof -i:443

You should be able to check your nginx listen ports in /etc/nginx/sites-enabled (under Debian)

Special case

In my case, there was an nginx instance running, that would block itself from restarting. It would not go down with sudo systemctl stop nginx. I had to use sudo killall nginx and could then use sudo systemctl start nginx.

Config error

I also experienced the exact same error message on a config error.

You can check your nginx config with /usr/sbin/nginx -c /etc/nginx/nginx.conf@ (this will also test all virtual host files (/etc/nginx/sites-enabled`)

answered Sep 13, 2020 at 8:59

DarkTrick's user avatar

DarkTrickDarkTrick

1,8251 gold badge15 silver badges33 bronze badges

i had same issue, was because i have apache and nginx on same server !
so when i typed sudo reboot it didn’t work because it started apache while am using nginx so i just run this two commands

sudo systemctl stop apache2
then
sudo systemctl start nginx

then sudo systemctl disable apache2
so next time i reboot not going to face same issue

help from aws services support

answered Dec 2, 2020 at 23:38

ABDULLAH MAKKI's user avatar

1

I had to use:

sudo killall nginx

And could then use;

sudo systemctl start nginx

benson23's user avatar

benson23

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answered Feb 24, 2022 at 21:44

mututa paul's user avatar

0

For me stopping apache service solved the problem
sudo service apache2 stop

answered Oct 31, 2020 at 3:38

sudayn's user avatar

sudaynsudayn

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0

I had this problem too. I checked the /etc/nginx/site-available/default file and I have forgotten to close the bracket (syntax error).

סטנלי גרונן's user avatar

סטנלי גרונן

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answered May 8, 2020 at 4:43

sadra hakim's user avatar

Just restart the nginx server. It should resolve your problem
sudo systemctl restart nginx

answered Oct 22, 2022 at 14:05

jttafda's user avatar

I was using gunicorn with nginx, found that service was not active.

sudo systemctl enable gunicorn.socket
sudo systemctl start gunicorn.socket
sudo systemctl restart nginx

Worked for me.

if your gunicorn is active, please make sure it’s working fine.

you can also go through the logs(errors) via nginx logs from

sudo tail -f /var/log/nginx/error.log

answered Aug 20, 2022 at 11:56

Harshit Jain's user avatar

Источник

Table of Contents
Hide
  1. Reasons of this error
  2. Solutions

    1. 1. nginx: [emerg] listen() to [::]:80, backlog 511 failed (98: Address already in use)
    2. 2. nginx: [emerg] unexpected end of file, expecting “;” or “}” in /etc/nginx/c>
    3. 3. nginx: [emerg] a duplicate default server for [::]:80 in /etc/nginx/sites-enabled/default
    4. 4. nginx: [emerg] unknown directive “stream” in /etc/nginx/nginx.conf
    5. 5. nginx: [emerg] directive “root” is not terminated by “;” in /etc/nginx/conf.d/writefreely.conf:6
    6. 6. Error in configuration file
  3. Conclusion

    1. Related Posts

You run the command systemctl status nginx.service or sudo systemctl start nginx and bam, you got a scary multi lines error stating that nginx failed to start high performance web server and a reverse proxy server. In this article we will focus on resolving this issue completely.

Reasons of this error

The error is generic. It means there could be multiple reasons for nginx failing to start. Your error logs will show you the reason as to why this is happening. Some of them are –

  • nginx: [emerg] listen() to [::]:80, backlog 511 failed (98: Address already in use)
  • nginx: [emerg] unexpected end of file, expecting “;” or “}” in /etc/nginx/c>
  • nginx: [emerg] a duplicate default server for [::]:80 in /etc/nginx/sites-enabled/default
  • nginx: [emerg] unknown directive “stream” in /etc/nginx/nginx.conf
  • nginx: [emerg] directive “root” is not terminated by “;” in /etc/nginx/conf.d/writefreely.conf:6
  • Others..

Let’s look at each of these errors and solve them.

Solutions

1. nginx: [emerg] listen() to [::]:80, backlog 511 failed (98: Address already in use)

This error appears when the nginx port i.e. 80 and 443 are occupied by some other process like Apache. The solution is to kill all the process which are running on these ports and let nginx use them.

First get the list of all the processes that are running on port 80 –

sudo lsof -i:80

Next, we will stop all these processes –

sudo fuser -k 80/tcp

If apache2 is running on this port then you may also stop it directly –

sudo service apache2 stop

Now you may start your nginx server –

sudo service nginx restart

2. nginx: [emerg] unexpected end of file, expecting “;” or “}” in /etc/nginx/c>

This error shows that there is some syntax error in config file. Open the indicated file at /etc/nginx/ and check for the syntax errors in the file.

3. nginx: [emerg] a duplicate default server for [::]:80 in /etc/nginx/sites-enabled/default

This error arises when you have multiple nginx websites running. Since they all are using the same 80 port so there is a clash. The solution is to change ports or if you can disable them like default website, then do that.

First remove or unlink the default website –

sudo unlink /etc/nginx/sites-enabled/default

# OR

sudo rm /etc/nginx/sites-enabled/default

Restart the nginx server –

sudo service nginx restart

4. nginx: [emerg] unknown directive “stream” in /etc/nginx/nginx.conf

nginx use the stream module and if we load it dynamically then nginx fails to start and throw this error. To resolve it, you need to statically add the stream module.

First open the nignx.conf file located at /etc/nignx/nginx.conf and add the below code at the very top of this file –

load_module /usr/lib/nginx/modules/ngx_stream_module.so;

Here you need to check whether this ngx_stream_module is located in lib or lib64 on your operating system. In CentOS it is in lib64. So, the address will change to –

load_module /usr/lib64/nginx/modules/ngx_stream_module.so;

Then save the nginx.conf file and run these commands in your terminal –

nginx -t
nginx -s reload
service nginx restart

5. nginx: [emerg] directive “root” is not terminated by “;” in /etc/nginx/conf.d/writefreely.conf:6

This is again a syntax error in a file. It is saying that “root” is not terminated by semicolon. So, solution is to open the file located at /etc/nginx/conf.d/writefreely.conf, move to line number 6 and add a semicolon at the end.

6. Error in configuration file

If there is some error in configuration file then you can understand it by running this command –

nginx -t -c /etc/nginx/nginx.conf

Once you find the bug, you can resolve it and then restart the nginx server –

sudo service nginx restart

Conclusion

In this article we saw various reasons for error “nginx: failed to start high performance web server and a reverse proxy server”. In your case, the reason could be different but solution will be one of our provided ones.

This is Akash Mittal, an overall computer scientist. He is in software development from more than 10 years and worked on technologies like ReactJS, React Native, Php, JS, Golang, Java, Android etc. Being a die hard animal lover is the only trait, he is proud of.

Related Tags
  • Error,
  • nginx

Источник

Прошу помощи с решением проблемы.
Вероятно где-то ошибся и накосячил.
Мы меняем местами сервера — боевой и копию.
Чтобы хватало места под папку upload (на боевом нет возможности расширить).
Попробовали добавить поддомен на копию (была some.copy.site.ru —  добавили some.copy2.site.ru), чтобы потом some.copy.site.ru перенести туда где сейчас боевой, а some.copy2.site.ru заменить на some.site.ru — сделать боевым.
Стали отрываться оба поддомена ведущий на один портал. Один по https, другой по http.
При попытке добавить SSL на второй поддомен — всё сломалось.

Теперь nginx не стартует.

# systemctl start nginx.service

Job for nginx.service failed because the control process exited with error code. See «systemctl status nginx.service» and «journalctl -xe» for details.

# systemctl status nginx.service

● nginx.service — nginx — high performance web server

  Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)

  Active: failed (Result: exit-code) since Fri 2022-01-07 13:02:55 +04; 46s ago

    Docs: http://nginx.org/en/docs/

 Process: 11094 ExecStartPre=/usr/sbin/nginx -t -c /etc/nginx/nginx.conf (code=exited, status=1/FAILURE)

Jan 07 13:02:55 centos-79-64-minimal systemd[1]: Starting nginx — high performance web server…

Jan 07 13:02:55 centos-79-64-minimal nginx[11094]: nginx: [emerg] cannot load certificate «/etc/letsencrypt/live/some….

Jan 07 13:02:55 centos-79-64-minimal nginx[11094]: nginx: configuration file /etc/nginx/nginx.conf test failed

Jan 07 13:02:55 centos-79-64-minimal systemd[1]: nginx.service: control process exited, code=exited status=1

Jan 07 13:02:55 centos-79-64-minimal systemd[1]: Failed to start nginx — high performance web server.

Jan 07 13:02:55 centos-79-64-minimal systemd[1]: Unit nginx.service entered failed state.

Jan 07 13:02:55 centos-79-64-minimal systemd[1]: nginx.service failed.

Hint: Some lines were ellipsized, use -l to show in full.

# journalctl -xe

—

— Unit session-178.scope has finished starting up.

—

— The start-up result is done.

Jan 07 13:05:01 centos-79-64-minimal systemd[1]: Started Session 179 of user root.

— Subject: Unit session-179.scope has finished start-up

— Defined-By: systemd

— Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

—

— Unit session-179.scope has finished starting up.

—

— The start-up result is done.

Jan 07 13:05:01 centos-79-64-minimal systemd[1]: Started Session 180 of user bitrix.

— Subject: Unit session-180.scope has finished start-up

— Defined-By: systemd

— Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

—

— Unit session-180.scope has finished starting up.

—

— The start-up result is done.

Jan 07 13:05:01 centos-79-64-minimal CROND[11297]: (root) CMD (/opt/webdir/bin/restart_httpd-scale.sh process)

Jan 07 13:05:01 centos-79-64-minimal CROND[11298]: (root) CMD (/opt/webdir/bin/update_network.sh eno1)

Jan 07 13:05:01 centos-79-64-minimal CROND[11299]: (bitrix) CMD (test -f /home/bitrix/www/bitrix/modules/main/tools/cronJan 07 13:05:01 centos-79-64-minimal CROND[11300]: (bitrix) CMD (/usr/bin/php -f /home/bitrix/www/bitrix/php_interface/cJan 07 13:05:01 centos-79-64-minimal systemd[1]: Removed slice User Slice of bitrix.

— Subject: Unit user-600.slice has finished shutting down

— Defined-By: systemd

— Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

—

— Unit user-600.slice has finished shutting down.

Jan 07 13:05:05 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:07 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:08 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:09 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:12 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:13 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:13 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:13 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:16 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:17 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:18 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:21 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:22 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:26 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:27 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:31 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:31 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:35 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:aJan 07 13:05:39 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:alines 2397-2445/2445 (END)

—

— Unit session-178.scope has finished starting up.

—

— The start-up result is done.

Jan 07 13:05:01 centos-79-64-minimal systemd[1]: Started Session 179 of user root.

— Subject: Unit session-179.scope has finished start-up

— Defined-By: systemd

— Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

—

— Unit session-179.scope has finished starting up.

—

— The start-up result is done.

Jan 07 13:05:01 centos-79-64-minimal systemd[1]: Started Session 180 of user bitrix.

— Subject: Unit session-180.scope has finished start-up

— Defined-By: systemd

— Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

—

— Unit session-180.scope has finished starting up.

—

— The start-up result is done.

Jan 07 13:05:01 centos-79-64-minimal CROND[11297]: (root) CMD (/opt/webdir/bin/restart_httpd-scale.sh process)

Jan 07 13:05:01 centos-79-64-minimal CROND[11298]: (root) CMD (/opt/webdir/bin/update_network.sh eno1)

Jan 07 13:05:01 centos-79-64-minimal CROND[11299]: (bitrix) CMD (test -f /home/bitrix/www/bitrix/modules/main/tools/cron_events.php && { /usr/bin/php -f /home/bitrix/www/bitrix/modules/main/tools/cron_events.php; } >/dev/null 2>&1)

Jan 07 13:05:01 centos-79-64-minimal CROND[11300]: (bitrix) CMD (/usr/bin/php -f /home/bitrix/www/bitrix/php_interface/cron_events.php)

Jan 07 13:05:01 centos-79-64-minimal systemd[1]: Removed slice User Slice of bitrix.

— Subject: Unit user-600.slice has finished shutting down

— Defined-By: systemd

— Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

—

— Unit user-600.slice has finished shutting down.

Jan 07 13:05:05 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=36237 PROTO=TCP SPT=55875 DPT=21583 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:07 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=79.124.62.78 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=7191 PROTO=TCP SPT=58659 DPT=63767 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:08 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=35939 PROTO=TCP SPT=55875 DPT=48721 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:09 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=36237 PROTO=TCP SPT=55875 DPT=21583 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:12 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.196.61 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=31284 PROTO=TCP SPT=50389 DPT=3404 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:13 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=35939 PROTO=TCP SPT=55875 DPT=48721 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:13 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=45.143.203.12 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=10514 PROTO=TCP SPT=45923 DPT=44393 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:13 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=36237 PROTO=TCP SPT=55875 DPT=21583 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:16 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.86 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=64158 PROTO=TCP SPT=45993 DPT=48560 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:17 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=35939 PROTO=TCP SPT=55875 DPT=48721 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:18 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=55945 PROTO=TCP SPT=55875 DPT=33344 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:21 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=35939 PROTO=TCP SPT=55875 DPT=48721 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:22 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=55945 PROTO=TCP SPT=55875 DPT=33344 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:26 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=26020 PROTO=TCP SPT=55875 DPT=43080 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:27 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=55945 PROTO=TCP SPT=55875 DPT=33344 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:31 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=26020 PROTO=TCP SPT=55875 DPT=43080 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:31 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=55945 PROTO=TCP SPT=55875 DPT=33344 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:35 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=26020 PROTO=TCP SPT=55875 DPT=43080 WINDOW=1024 RES=0x00 SYN URGP=0

Jan 07 13:05:39 centos-79-64-minimal kernel: Firewall: *TCP_IN Blocked* IN=eno1 OUT= MAC=24:4b:fe:b9:3e:2c:b4:8a:5f:36:a7:92:08:00 SRC=92.63.197.5 DST=162.55.239.104 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=26020 PROTO=TCP SPT=55875 DPT=43080 WINDOW=1024 RES=0x00 SYN URGP=0

# nginx -t

nginx: [emerg] cannot load certificate «/etc/letsencrypt/live/some.copy2.site.ru/fullchain.pem»: BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen(‘/etc/letsencrypt/live/some.copy2.site.ru/fullchain.pem’,’r’) error:2006D080:BIO routines:BIO_new_file:no such file)

nginx: configuration file /etc/nginx/nginx.conf test failed

Попытки переименовать WWW в папке HOME и установить по новой не помогают.

Буду признателен за помощь!

Источник

I recently tried to install LetsEncrypt certificate, but I couldn’t start nginx again. when I run the command service nginx status.

I get this error message:

 nginx.service - A high performance web server and a reverse proxy server
 Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: 
enabled)
Active: failed (Result: exit-code) since Tue 2018-02-20 16:17:49 CET; 8min 
ago
Process: 1439 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; 
master_process on; (code=exited, status=1/FAILURE)

Feb 20 16:17:47 django-s-1vcpu-1gb-lon1-01 systemd[1]: Starting A high performance web server and a reverse proxy server...
Feb 20 16:17:49 django-s-1vcpu-1gb-lon1-01 nginx[1439]: nginx: [emerg] "location" directive is not allowed here in /etc/nginx/nginx.conf:87
Feb 20 16:17:49 django-s-1vcpu-1gb-lon1-01 nginx[1439]: nginx: configuration file /etc/nginx/nginx.conf test failed
Feb 20 16:17:49 django-s-1vcpu-1gb-lon1-01 systemd[1]: nginx.service: Control process exited, code=exited status=1
Feb 20 16:17:49 django-s-1vcpu-1gb-lon1-01 systemd[1]: Failed to start A high performance web server and a reverse proxy server.
Feb 20 16:17:49 django-s-1vcpu-1gb-lon1-01 systemd[1]: nginx.service: Unit entered failed 
Feb 20 16:17:49 django-s-1vcpu-1gb-lon1-01 systemd[1]: nginx.service: Failed with result 'exit-code'.

And here is /etc/nginx/sites-avalible/django:

upstream app_server {
server unix:/home/django/gunicorn.socket fail_timeout=0;
}

server {
#listen 80 default_server;
#listen [::]:80 default_server ipv6only=on;

listen 443 ssl;
server_name nettside.no;
ssl_certificate /etc/letsencrypt/live/nettside.no/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/nettside.no/privkey.pem;

root /usr/share/nginx/html;
index index.html index.htm;

client_max_body_size 4G;
server_name nettside.no;

keepalive_timeout 5;

# Your Django project's media files - amend as required
location /media  {
    alias /home/django/django_project/django_project/media;
}

# your Django project's static files - amend as required
location /static {
    alias /home/django/django_project/static;
}

# Proxy the static assests for the Django Admin panel
location /static/admin {
   alias /home/django/django_project/static/admin;

}

   location / {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        proxy_redirect off;
        proxy_buffering off;

        proxy_pass http://app_server;
}

}

server {
    listen 80;
    server_name nettside.no;
    return 301 https://$host$request_uri;
}

Источник

systemctl status nginx.service outputs:

    ● nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Wed 2019-01-23 19:04:12 +03; 1min 1s ago
     Docs: man:nginx(8)
  Process: 10511 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=1/FAILURE)

Jan 23 19:04:12 linux systemd[1]: Starting A high performance web server and a reverse proxy server...
Jan 23 19:04:12 linux nginx[10511]: nginx: [emerg] a duplicate default server for [::]:80 in /etc/nginx/sites-enabled/default:23
Jan 23 19:04:12 linux nginx[10511]: nginx: configuration file /etc/nginx/nginx.conf test failed
Jan 23 19:04:12 linux systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
Jan 23 19:04:12 linux systemd[1]: nginx.service: Failed with result 'exit-code'.
Jan 23 19:04:12 linux systemd[1]: Failed to start A high performance web server and a reverse proxy server.

journalctl -xe outputs:

-- Defined-By: systemd
-- Support: https://www.debian.org/support
-- 
-- An ExecStartPre= process belonging to unit nginx.service has exited.
-- 
-- The process' exit code is 'exited' and its exit status is 1.
Jan 23 19:10:15 linux systemd[1]: nginx.service: Failed with result 'exit-code'.
-- Subject: Unit failed
-- Defined-By: systemd
-- Support: https://www.debian.org/support
-- 
-- The unit nginx.service has entered the 'failed' state with result 'exit-code'.
Jan 23 19:10:15 linux systemd[1]: Failed to start A high performance web server and a reverse proxy server.
-- Subject: A start job for unit nginx.service has failed
-- Defined-By: systemd
-- Support: https://www.debian.org/support
-- 
-- A start job for unit nginx.service has finished with a failure.
-- 
-- The job identifier is 2656 and the job result is failed.
Jan 23 19:10:15 linux sudo[10625]: pam_unix(sudo:session): session closed for user root
Jan 23 19:10:23 linux sudo[10631]:  lvlzyro : TTY=pts/0 ; PWD=/home/lvlzyro ; USER=root ; COMMAND=/usr/bin/journalctl -xe
Jan 23 19:10:23 linux sudo[10631]: pam_unix(sudo:session): session opened for user root by (uid=0)

nginx.conf:

user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
    worker_connections 768;
    # multi_accept on;
}

http {

    ##
    # Basic Settings
    ##

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    # server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    ##
    # SSL Settings
    ##

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
    ssl_prefer_server_ciphers on;

    ##
    # Logging Settings
    ##

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    ##
    # Gzip Settings
    ##

    gzip on;

    # gzip_vary on;
    # gzip_proxied any;
    # gzip_comp_level 6;
    # gzip_buffers 16 8k;
    # gzip_http_version 1.1;
    # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    ##
    # Virtual Host Configs
    ##

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}


#mail {
#   # See sample authentication script at:
#   # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
# 
#   # auth_http localhost/auth.php;
#   # pop3_capabilities "TOP" "USER";
#   # imap_capabilities "IMAP4rev1" "UIDPLUS";
# 
#   server {
#       listen     localhost:110;
#       protocol   pop3;
#       proxy      on;
#   }
# 
#   server {
#       listen     localhost:143;
#       protocol   imap;
#       proxy      on;
#   }
#}

What should I do to fix it? Thanks for your attention btw.

Источник

Содержание

The repository does not have a Release file

Restarting networking failed because the control process exited with error code.

Failed to start A high performance web server and a reverse proxy server

(разные команды) command not found debian

ifconfig command not found debian

user is not in the sudoers file

usermod: command not found

Возможные ошибки при установке Java

The repository does not have a Release file.

При попытке выполнить

sudo apt update

[sudo] password for andrei:
Ign:1 cdrom://[Debian GNU/Linux 10.4.0 _Buster_ — Official amd64 DVD Binary-1 20200509-10:26] buster InRelease
Err:2 cdrom://[Debian GNU/Linux 10.4.0 _Buster_ — Official amd64 DVD Binary-1 20200509-10:26] buster Release
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Err:3 http://deb.debian.org/debian buster InRelease
Cannot initiate the connection to prod.debian.map.fastly.net:80 (2a04:4e42:14::204). — connect (101: Network is unreachable)
Could not connect to prod.debian.map.fastly.net:80 (151.101.84.204), connection timed out
Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:14::645). — connect (101: Network is unreachable)
Could not connect to deb.debian.org:80 (151.101.86.133), connection timed out
Err:4 http://deb.debian.org/debian buster-updates InRelease
Cannot initiate the connection to deb.debian.org:80 (2a04:4e42:14::645). — connect (101: Network is unreachable)
Err:5 http://security.debian.org/debian-security buster/updates InRelease
Cannot initiate the connection to prod.debian.map.fastly.net:80 (2a04:4e42:14::204). — connect (101: Network is unreachable)
Could not connect to prod.debian.map.fastly.net:80 (151.101.84.204), connection timed out
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:c00::204). — connect (101: Network is unreachable)
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:200::204). — connect (101: Network is unreachable)
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:400::204). — connect (101: Network is unreachable)
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:a00::204). — connect (101: Network is unreachable)
Cannot initiate the connection to security.debian.org:80 (2a04:4e42::204). — connect (101: Network is unreachable)
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:800::204). — connect (101: Network is unreachable)
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:600::204). — connect (101: Network is unreachable)
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:e00::204). — connect (101: Network is unreachable)
Could not connect to security.debian.org:80 (151.101.0.204), connection timed out
Could not connect to security.debian.org:80 (151.101.128.204), connection timed out
Could not connect to security.debian.org:80 (151.101.192.204), connection timed out
Could not connect to security.debian.org:80 (151.101.64.204), connection timed out
Reading package lists… Done
E: The repository ‘cdrom://[Debian GNU/Linux 10.4.0 _Buster_ — Official amd64 DVD Binary-1 20200509-10:26] buster Release’ does not have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Проверяю

souces.list

sudo vi /etc/apt/sources.list

#

deb cdrom:[Debian GNU/Linux 10.4.0 _Buster_ — Official amd64 DVD Binary-1 20200509-10:26]/ buster contrib main

deb cdrom:[Debian GNU/Linux 10.4.0 _Buster_ — Official amd64 DVD Binary-1 20200509-10:26]/ buster contrib main

deb http://deb.debian.org/linux/debian/ buster main
deb-src http://deb.debian.org/linux/debian/ buster main

deb http://security.debian.org/debian-security buster/updates main contrib
deb-src http://security.debian.org/debian-security buster/updates main contrib

# buster-updates, previously known as ‘volatile’
deb http://deb.debian.org/linux/debian/ buster-updates main contrib
deb-src http://deb.debian.org/linux/debian/ buster-updates main contrib

Restarting networking failed because the control process exited with error code.

При попытке перезапустить сеть

andrei@debian:/etc/network$ sudo /etc/init.d/networking restart

[….] Restarting networking (via systemctl): networking.serviceJob for networking.service failed because the control process exited with error code.
See «systemctl status networking.service» and «journalctl -xe» for details.

Оказалось, что при редактировании /etc/network/interfaces
перепутал в названии интерфейса wlp1s0 l
и
1 и написал вместо wlp1s0 wlpls0

Failed to start A high performance web server and a reverse proxy server

При попытке установить Nginx в Debian 10

sudo apt install nginx

Setting up libnginx-mod-http-upstream-fair (1.14.2-2+deb10u1) …
Setting up nginx-full (1.14.2-2+deb10u1) …
Job for nginx.service failed because the control process exited with error code.
See «systemctl status nginx.service» and «journalctl -xe» for details.
invoke-rc.d: initscript nginx, action «start» failed.
● nginx.service — A high performance web server and a reverse proxy server
Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Thu 2020-06-18 17:30:41 EEST; 12ms ago
Docs: man:nginx(8)
Process: 7196 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
Process: 7198 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE)

Jan 28 23:04:50 debian nginx[7198]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[7198]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[7198]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[7198]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[7198]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[7198]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[7198]: nginx: [emerg] still could not bind()
Jan 28 23:04:50 debian systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
Jan 28 23:04:50 debian systemd[1]: nginx.service: Failed with result ‘exit-code’.
Jan 28 23:04:50 debian systemd[1]: Failed to start A high performance web server and a reverse proxy server.
dpkg: error processing package nginx-full (—configure):
installed nginx-full package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of nginx:
nginx depends on nginx-full (<< 1.14.2-2+deb10u1.1~) | nginx-light (<< 1.14.2-2+deb10u1.1~) | nginx-extras (<< 1.14.2-2+deb10u1.1~); however:
Package nginx-full is not configured yet.
Package nginx-light is not installed.
Package nginx-extras is not installed.
nginx depends on nginx-full (>= 1.14.2-2+deb10u1) | nginx-light (>= 1.14.2-2+deb10u1) | nginx-extras (>= 1.14.2-2+deb10u1); however:
Package nginx-full is not configured yet.
Package nginx-light is not installed.
Package nginx-extras is not installed.

dpkg: error processing package nginx (—configure):
dependency problems — leaving unconfigured
Processing triggers for man-db (2.8.5-2) …
Processing triggers for systemd (241-7~deb10u4) …
Errors were encountered while processing:
nginx-full
nginx
E: Sub-process /usr/bin/dpkg returned an error code (1)

systemctl status nginx.service

● nginx.service — A high performance web server and a reverse proxy server
Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Thu 2020-06-18 21:42:54 EEST; 5min ago
Docs: man:nginx(8)
Process: 15224 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)
Process: 15225 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE)

sudo journalctl -xe

— Subject: A start job for unit nginx.service has begun execution
— Defined-By: systemd
— Support: https://www.debian.org/support
—
— A start job for unit nginx.service has begun execution.
—
— The job identifier is 2744.
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jan 28 23:04:50 debian nginx[15225]: nginx: [emerg] still could not bind()
Jan 28 23:04:50 debian systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
— Subject: Unit process exited
— Defined-By: systemd
— Support: https://www.debian.org/support
—
— An ExecStart= process belonging to unit nginx.service has exited.
—
— The process’ exit code is ‘exited’ and its exit status is 1.
Jan 28 23:04:50 debian systemd[1]: nginx.service: Failed with result ‘exit-code’.
— Subject: Unit failed
— Defined-By: systemd
— Support: https://www.debian.org/support
—
— The unit nginx.service has entered the ‘failed’ state with result ‘exit-code’.
Jan 28 23:04:50 debian systemd[1]: Failed to start A high performance web server and a reverse proxy server.
— Subject: A start job for unit nginx.service has failed
— Defined-By: systemd
— Support: https://www.debian.org/support
—
— A start job for unit nginx.service has finished with a failure.
—
— The job identifier is 2744 and the job result is failed.
Jan 28 23:04:50 debian sudo[8241]: pam_unix(sudo:session): session closed for user root
Jan 28 23:04:50 debian PackageKit[8233]: daemon quit
Jan 28 23:04:50 debian systemd[1]: packagekit.service: Main process exited, code=killed, status=15/TERM
— Subject: Unit process exited
— Defined-By: systemd
— Support: https://www.debian.org/support
—
— An ExecStart= process belonging to unit packagekit.service has exited.
—
— The process’ exit code is ‘killed’ and its exit status is 15.
Jan 28 23:04:50 debian systemd[1]: packagekit.service: Succeeded.
— Subject: Unit succeeded
— Defined-By: systemd
— Support: https://www.debian.org/support
—
— The unit packagekit.service has successfully entered the ‘dead’ state.
Jan 28 23:04:50 debian sudo[19594]: andrei : TTY=pts/0 ; PWD=/home/andrei ; USER=root ; COMMAND=/usr/bin/journalctl -xe
Jan 28 23:04:50 debian sudo[19594]: pam_unix(sudo:session): session opened for user root by andrei(uid=0)

Из логов можно сделать вывод, что порт 80, который нужен

Nginx

уже занят. Я так подозреваю, что Apache. Поэтому нужно удалить или отключить Apache и поставить Nginx

command not found

ifconfig command not found debian

man: command not found

adduser: command not found

ifconfig command not found debian

Если ifconfig выдаёт ошибку

ifconfig command not found debian

можно либо воспользоваться командой

ip addresses

Либо установить ifconfig

-bash: man: command not found

Чтобы установить справочник man

sudo apt update

sudo apt-get install man-db

bash: adduser: command not found

Обычно для создания и редактирования пользователей нужно иметь довольно много прав.

Часто это делается под root.

Начиная с Debian 10 нас ждёт сюрприз от разработчиков. Если Вы стали root
по-старинке, выполнив su без агрументов Ваша системная переменная

PATH

скорее всего не содержит многих нужных директорий.

Всё потому, что теперь команда su идёт из другого package — util-linux вместо shadow
и не обновляет PATH по умолчанию.

Что делать?

Попробуйте

su — root

Ради интереса можете выполнить для обоих вариантов (su и su -root)

pwd

echo $USER

Подробности

здесь

user is not in the sudoers file

Означает, что пользователя user нужно добавить в группу sudo

Выполните

su —

usermod -a -G sudo user

usermod: command not found

Скорее всего эта ошибка появилась у вас в Debian 10 после выполнения su (
Подробности
)

Выполните

su —

Возможные ошибки при установке Java

Could not get lock /var/lib/dpkg/lock

root@debian:/# apt-get install default-jre

E: Could not get lock /var/lib/dpkg/lock
— open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory
(/var/lib/dpkg/), is another process using it?

Означает, что у Вас запущен ещё один менеджер пакетов,
например, Synaptic. Найдите его и закройте.

Unable to locate package default-jr

root@debian:/# apt-get install default-jre

Reading package lists… Done
Building dependency tree
Reading state information… Done
E: Unable to locate package default-jre

Означает, что найти default-jre не удалось. Проверьте

sources.list

nano /etc/apt/sources.list

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