Install Caddy Webserver on CentOS 7
To install Caddy Webserver on CentOS 7, run yum install yum-plugin-copr yum copr enable @caddy/caddy yum install caddy Enable caddy start on…
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Connect to backend failed: connect to lsphp failed: 110
On a CloudLinux Server, websites stopped working with the error message “Service Unavailable”. On checking error_log in /usr/local/apache/logs, found following error message…
bash: mysql_safe: command not found
On CentOS 7 server running MySQL 5.7, when trying to reset MySQL root password, I get an error [root@SAU-8E161-OR ~]# mysqld_safe –skip-grant-tables…
CentOS 7 MySQL 5.7 root password reset
To reset MySQL 5.7 root password on CentOS 7 server, do the following Stop MySQL Server systemctl stop mysqld Set the MySQL…
ERROR 1045 (28000): Plugin caching_sha2_password could not be loaded
When I try to connect to a MySQL 8 server, I get the following error root@ok:~# mysql -u serverok -p’PW_HERE’ -h db-mysqlserverok.in…
Linux tr command (translate)
The tr command is used to translate text. Example root@ok:~# echo “serverok” | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ SERVEROK root@ok:~# You can also use…
WordPress HyperDB
HyperDB is a WordPress plugin that allows you to use multiple MySQL database servers with large MySQL installations. It is used to…
Redirect Subdomain to Subdirectory
To redirect a subdomain to a subdirectory, use following .htaccess code. RewriteEngine on RewriteCond %{HTTP_HOST} ^(.*)\.domain\.com RewriteRule ^(.*)$ subdomains/%1/$1 [L,NC,QSA] Redirect Subdirectory…
Magento catalog_product_relation MySQL Error
On transferring a Magento website Database running on MySQL 5.7.34 to MariaDB 10.2.39, I get the following error [root@server52 etc]# mysql buildingplans_m1…
How to find Zimbra version
To find the Zimbra version, log in to the server using SSH, then run the following commands. Switch to the user “zimbra”…
MySQL Cluster
MariaDB Replication MariaDB galera cluster https://www.percona.com/software/mysql-database/percona-xtradb-cluster Disable MySQL Replication on Slave
Skype public key is not available
I have Ubuntu 20.04 computer with skype installed. When I update software using apt update, I get an error W: An error…