How to Install a Specific Kernel Version in CentOS
The Linux Kernel is the underlying core of all GNU/Linux distributions. The kernel, GNU standard programs, and additional programs and GUI on top of them
How to Set or Change Hostname in Linux
The hostname is the name of the machine using which it is identified on a network. It can be anything from a single word string
How to Install the Latest MySQL 8 in Ubuntu
MySQL is a relational database system owned by Oracle Corporation and it has been a part of the Ubuntu repositories right from its earlier versions.
How to Find Files Based on Timestamp in Linux
The find command in Linux is used to search for files and folders based on different parameters. These parameters can be the filename, size, type
How to Delete Files Older Than Specified Days in Linux
As you might already know, we use the rm command in Linux to delete files and folders. The filenames to be deleted have to be
How to Block a Port Using a Firewall in Linux
A firewall is either a software-based or, in some cases, a hardware-based security system for networks. It automatically monitors traffic inflow and outflow on the
Fix Nginx Error: 413 Request Entity Too Large
When Nginx is used as a backend server for web apps like WordPress, Drupal, etc. (which are usually PHP and MySQL Database based), many users
How to Limit Depth of ‘tree’ for Recursive File Listing
Usually, the ls command is used in Linux to display files and folders. It is an inbuilt command in GNU/Linux. However, it has its shortcomings,
How to Reverse Lines in a File Character-Wise in Linux
There are some string manipulation or alternation tasks that can be programmed in scripting or a programming language quite easily. For example, changing the case
