session timeout in Zorin Terminal
Session was geting auto logged off after 5 minutes of in-activity
journalctl -f showing below errors
pam_unix(cron:session): session opened for user root by (uid=0)
This was fixed by editing the file name /etc/pam.d/common-session-noninteractive
sudo vim /etc/pam.d/common-session-noninteractive
and adding new line
session [success=1 default=ignore] pam_succeed_if.so service in cron quiet use_uid
and restart crond
sudo service cron restart
This fixed the issue
To Redirect from www to now www with https follow below steps
open .htacess file and add below rule
Replace domain.tld with your domain name
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www.domain.tld [NC]
RewriteRule ^(.)$ http://domain.tld/$1 [L,R=301]
RewriteCond %{HTTPS} !=on
RewriteRule ^(.)$ https://%{HTTP_HOST}/$1 [L,R=301]
Change postfix mail sending IP
To change mail IP in Postfix need to change parameters in below file
vi /etc/postfix/main.cf
smtp_bind_address=192.168.10.10
once done restart postfix
Use the below command to set 755 to folder and 644 to file recirsively
find . -type d -exec chmod 0755 {} \;
find . -type f -exec chmod 0644 {} \;
cPanel comes with Default version Python 2.7
If you want to install second version Python 3.4 on server using rpm and via Source
First install epel repository
yum install epel-release
yum install python34
To install PIP on python2.4
yum install python3-pip
On getting the error in Magento
An error has happened during application run. See exception log for details
It can be fixed with below commands
php bin/magento setup:upgrade
php bin/magento setup:di:compile
php bin/magento setup:static-content:Deploy -f
chmod -R 777 var/ generated/
You can disable the Proxypass from httpd.conf using below command
This issue occurs in live migration in cpanel to cpanel server
whmapi1 unset_all_service_proxy_backends username=cpanelusername
One of our server had Mysql failing to start on reboot with below error
tail -n 100 /var/log/mysqld.log
2022-03-08 3:53:37 0 [Note] Crash recovery finished.
2022-03-08 3:53:37 0 [Note] Server socket created on IP: ‘127.0.0.1’.
2022-03-08 3:53:37 0 [ERROR] mysqld: Can’t create/write to file ‘/var/run/mysqld/mysqld.pid’ (Errcode: 2 “No such file or directory”)
2022-03-08 3:53:37 0 [ERROR] Can’t start server: can’t create PID file: No such file or directory
2022-03-08 3:58:38 0 [Note] InnoDB: Using Linux native AIO
2022-03-08 3:58:38 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
Solution to this was
Create a new folder mkdir -p /var/run/mysqld/
Chown mysql.mysql /var/run/mysqld/
[root@ok1146s1 run]# mkdir /var/run/mysqld
[root@ok1146s1 run]# chown mysql:mysql /var/run/mysqld/
[root@ok1146s1 run]# /scripts/restartsrv_mysql
Waiting for “mysql” to start ……waiting for “mysql” to initialize ………finished.
Service Status
mariadb (/usr/sbin/mysqld) is running as mysql with PID 5809 (systemd+/proc check method).
Startup Log
Mar 08 04:08:14 ok1146s1.kvchosting.com systemd[1]: Starting MariaDB 10.3.34 database server…
Mar 08 04:08:16 ok1146s1.kvchosting.com mysqld[5809]: 2022-03-08 4:08:16 0 [Note] /usr/sbin/mysqld (mysqld 10.3.34-MariaDB) starting as process 5809 …
Mar 08 04:08:17 ok1146s1.kvchosting.com systemd[1]: Started MariaDB 10.3.34 database server.
mysql started successfully.
[root@ok116s1 run]#
Service Unavailable
The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
Additionally, a 503 Service Unavailable error was encountered while trying to use an ErrorDocument to handle the request.
While accessing one of the website saw the error mentioned above
Normally this 503 error are related to module PHP-fpm.
You just need to restart it from WHM to fix the issue
This issue is due to some core files in wordpress being corrupt.
The solution to this issue is to download new version of wordpress and upload new files and folders mentioned below
wp-includes , wp-admin and below files
wp-activate.php
wp-blog-header.php
wp-comments-post.php
wp-config.php
wp-config-sample.php
wp-cron.php
wp-links-opml.php
wp-load.php
wp-login.php
wp-mail.php
wp-settings.php
wp-signup.php
wp-trackback.php
xmlrpc.php
This resolved the issue and wordpres site was working fine