Install PHP 5.6 on AlmaLinux 8
To install PHP 5.6 on AlmaLinux 8, first enable epel repository. install remi repository with the command Now you can
How to find if Log4J is installed in my server
A critical vulnerability (CVE-2021-44228) was identified on the popular log4j logger library used by a lot of popular Java applications.
How to Install MySQL 5.7 on Oracle Linux 7
Oracle Linux 7 comes with MySQL yum repository pre-installed. By Default MySQL 8 repository is enabled. You can disable MySQL
acme.sh SSL using manual DNS method
To provision SSL certificate using acme.sh with manual DNS verification method, run When you run this command, you will get
Enable Remote Connection in MS SQL Server
MS SQL Server does not allow remote connection by default. To enable MS SQL remote connection, you need to open
sudo: command not found
On a Debian server, when running a command with sudo, I got the error To fix this, you need to
Static IP for CentOS LXC container
LXC containers get dynamic IP from DHCP. When you stop and start a container, its IP gets changed. If you
Convert image to WebP format in Ubuntu
WebP is an image format for web by Google. The size of webp images are much smaller compared with other
Enable HTTP_X_FORWARDED_FOR in Haproxy
By default, Haproxy won’t forward visitor IP address to backend servers. To enable Haproxy forward visitor IP address to backend
bash: /usr/bin/man: No such file or directory
On Ubuntu, I get the following error This is fixed by installing man with apt-get
How to Migrate CentOS to Oracle Linux
Oracle Linux is Free 100% binary-compatible with Red Hat Enterprise Linux, same as CentOS. Unlike RHEL, Oracle Linux is free
How to delete an mdadm RAID Array
Deleting a software RAID array will result in all data stored in the devices being lost. So be careful when