Resolved No log-in page after yum update

[Papacico]

Hello,
I am on Plesk Onyx 17.8.11 Update #84
after trying to install this ftp package vsftpd-3.0.2-25.el7.x86_64 (which is failed)
and after having run: yum update I am not able anymore to reach the plesk login page at: https://servername:8443
I have run: "plesk repair installation" but did not help.
I have followed some topic in which they tell me to run this: "service plesk-web-socket restart"
but I get this error "1018 Failed to restart plesk-web-socket.service: Unit not found."
Rebooting the server did not help either.

So I have these questions:

1. Where are plesk error stored as I can't find any error in de httpd error_log when trying to access the login page
2. Should I consider reinstalling Plesk?
3. Will plesk re-installation affecting my existing domains or other server configuration?

Thank you

 

[IgorG]

Where are plesk error stored as I can't find any error in de httpd error_log when trying to access the login page

Plesk for Linux services logs and configuration files

Applicable to: Plesk for Linux Question Where to find Plesk for Linux services logs and configuration files? Answer This article's sole purpose is to provide information regarding the services t...

support.plesk.com

First of all, check that you can start sw-cp-server service.

 

[Papacico]

service sw-cp-server restart
Restarting sw-cp-server (via systemctl): Job for sw-cp-server.service failed because the control process exited with error code. See "systemctl status sw-cp-server.service" and "journalctl -xe" for details.
[FAILED]

 

[Papacico]

systemctl status sw-cp-server.service
â sw-cp-server.service - Startup script for Plesk control panel server
Loaded: loaded (/usr/lib/systemd/system/sw-cp-server.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Thu 2020-04-02 08:42:41 UTC; 1min 0s ago
Process: 6175 ExecStartPre=/usr/sbin/sw-cp-serverd -q -t (code=exited, status=1/FAILURE)

Apr 02 08:42:41 servername systemd[1]: Starting Startup script for Plesk control panel server...
Apr 02 08:42:41 servername sw-cp-serverd[6175]: nginx: [emerg] invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
Apr 02 08:42:41 servername sw-cp-serverd[6175]: nginx: configuration file /etc/sw-cp-server/config test failed
Apr 02 08:42:41 servername systemd[1]: sw-cp-server.service: control process exited, code=exited status=1
Apr 02 08:42:41 servername systemd[1]: Failed to start Startup script for Plesk control panel server.
Apr 02 08:42:41 servername systemd[1]: Unit sw-cp-server.service entered failed state.
Apr 02 08:42:41 servername systemd[1]: sw-cp-server.service failed.

 

[Papacico]

Running: "journalctl -xe" i get these errors
error: PAM: Authentication failure for root from ip
Unable to connect to Plesk Database: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (13)
error: PAM: Authentication failure for root from ip

 

[Papacico]

all websites on server are running properly and have no problem reaching the MySql server

 

[IgorG]

invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config

Looks like sw-cp server misconfiguration. Try to do the following:

Backup the current sw-cp-server config:

# cp /etc/sw-cp-server/config /etc/sw-cp-server/config_backup

Open /etc/sw-cp-server/config in any text editor and set the "fastcgi_buffers" directive as follows:

fastcgi_buffers 16 16k;

Restart sw-cp-server:

# service sw-cp-server restart

 

[Papacico]

thank you IgorC I am trying your suggestion in a minute,
I have also tried to upgrade to Obsidian but I also get errors:


Checking the availability of Plesk Panel TCP ports...
INFO: Unable to connect to IP address .......... on Plesk Panel non-secure HTTP port 8880: Connection refused
INFO: Unable to connect to IP address .............. on Plesk Panel secure HTTPS port 8443: Connection refused

 

[IgorG]

Can you start sw-cp-server now?

 

[Papacico]

Looks like sw-cp server misconfiguration. Try to do the following:

Backup the current sw-cp-server config:

# cp /etc/sw-cp-server/config /etc/sw-cp-server/config_backup

Open /etc/sw-cp-server/config in any text editor and set the "fastcgi_buffers" directive as follows:

fastcgi_buffers 16 16k;

Restart sw-cp-server:

# service sw-cp-server restart

I have done this but get error restarting sw-cp-server

 

[Papacico]

Can you start sw-cp-server now?

service sw-cp-server restart
Restarting sw-cp-server (via systemctl): Job for sw-cp-server.service failed because the control process exited with error code. See "systemctl status sw-cp-server.service" and "journalctl -xe" for details.
[FAILED]

 

[IgorG]

What is error message in /var/log/sw-cp-server/error_log ?

 

[Papacico]

What is error message in /var/log/sw-cp-server/error_log ?

2020/04/01 03:40:19 [emerg] 11552#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/01 21:53:09 [emerg] 1030#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 07:13:06 [emerg] 4699#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 07:13:11 [emerg] 5664#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 07:49:41 [emerg] 1021#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 08:42:41 [emerg] 6175#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 09:24:46 [emerg] 9103#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34

 

[Papacico]

2020/04/01 03:40:19 [emerg] 11552#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/01 21:53:09 [emerg] 1030#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 07:13:06 [emerg] 4699#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 07:13:11 [emerg] 5664#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 07:49:41 [emerg] 1021#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 08:42:41 [emerg] 6175#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34
2020/04/02 09:24:46 [emerg] 9103#0: invalid number of arguments in "fastcgi_buffers" directive in /etc/sw-cp-server/config:34

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pls see the config file configuration at the moment

 

[IgorG]

Why dot at the end of the line? It should be

fastcgi_buffers 16 16k;

 

[Papacico]

Why dot at the end of the line? It should be

fastcgi_buffers 16 16k;

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i have changed it but still same error

 

[IgorG]

i have changed it but still same error

Have you restarted sw-cp-server after changing line?

 

[Papacico]

Why dot at the end of the line? It should be

fastcgi_buffers 16 16k;

Screenshot

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i have changed it but still same error

 

[Papacico]

Screenshot

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in the original config file there were no semicolon

 

[IgorG]

On my test Plesk server:

# grep fastcgi /etc/sw-cp-server/config
"'$fastcgi_script_name' '$fastcgi_path_info' '$document_root'";
fastcgi_max_temp_file_size 0;
fastcgi_buffers 16 16k;
fastcgi_buffer_size 32k;
fastcgi_pass_header X-Accel-Buffering;
fastcgi_read_timeout 600;
fastcgi_send_timeout 600;