2 Ways to Check DNS server response time
DNS is a system by which a browser or other software converts a domain name to a IP4 or IP6…
4 Ways to Check OS Version in Linux
The OS version of a Linux distribution can be determined by using the command-line interface as well as a graphical…
3 Ways to Fix Too Many Open Files
When the “Too Many Open Files” error message is written to the logs, it indicates that all available file handles…
Understanding Linux Ulimit Command with Examples
Most UNIX-like operating systems, including Linux and macOS, provide ways to limit and control the usage of system resources such…
7 Ways to Check File system Type in Linux
Linux file system is generally a built-in layer of a Linux operating system used to handle the data management of…
Check Filesystem with Fsck Command in Linux
fsck is a front-end program and it calls the respective program for the specific filesystem to run. Fsck usually runs…
4 ways to fix bind permission denied in Linux
On a Linux system, TCP ports in a reserved range (typically less than 1024) can only be bound by processes…
2 Ways to Check SElinux Status in Linux
Security-Enhanced Linux (SELinux) is a security architecture for Linux® systems that allows administrators to have more control over who can…
Single Name SSL vs SAN SSL vs Wildcard SSL
Secure Sockets Layer (more commonly referred to as SSL) is the known industry standard used by millions of websites for…
3 Ways to Remove Mails from Postfix queues with Postsuper
Postfix is a popular open-source mail transfer agent (MTA) that routes and delivers email. Occasionally, as part of the administration…