Postfix is fast and popular SMTP server widely used. The main job of postfix is to relay mail locally or…
Sometimes we are required to secure a single URL or a few specific URLs on our site, and all other…
Sometimes SQL Server logs files acquire a large space on the disk. In that case, we need to reduce the…
Linux provides a number of tools for network configuration. Most important network settings for you Linux machine to access over…
RPM (RedHat Package Manager) is a package management system for RHEL based systems. You may have seen that all the…
Using HAProxy, you can construct high-availability systems and HAProxy stats provide detailed statics. It can be used with popular servers…
Sometimes we need to insert a line at middle of the existing file. You can add line at specific line…
Being a system administrator you have all responsibilities to maintain your systems. A system admin is a person having good…
Being a system administrator, we always need to keep our systems up to date with latest packages. Its difficult to…
As a system administrator, you need to take backup on daily basis. Backups are very useful to recover data from…