How to Append Text to End of File in Linux
While working with configuration files in Linux, sometimes you need to append text such as configuration parameters to an existing file. To append simply means to add text to the end or bottom of...
Tagged: Linux Tricks
4 Ways to Generate a Strong Pre-Shared Key (PSK) in Linux
A Pre-Shared Key (PSK) or also known as a shared secret is a string of characters that is used as an authentication key in cryptographic processes. A PSK is shared before being used and...
How to Increase Disk Inode Number in Linux
When a new file system is created on a partition on a disk in Linux, and the kernel keeps aside space for inodes during the initial structuring of the file system. The number of...
How to Watch TCP and UDP Ports in Real-time
In software terms, especially at the operating system level, a port is a logical construct that identifies a specific process/application or a type of network service and each network service running on a Linux...
How to Run a Command with Time Limit (Timeout) In Linux
Linux comes with a bounty of commands, each command unique and used in specific cases. The goal of Linux is to help you be as fast and efficient as possible. One property of a...
How to Disable SELinux Temporarily or Permanently
Linux is regarded as one of the most secure operating systems you can use today, that is because of its illustrious security implementation features such as SELinux (Security-Enhanced Linux). For starters, SELinux is described...
How to Create a New Ext4 File System (Partition) in Linux
The ext4 or fourth extended filesystem is a widely-used journaling file system for Linux. It was designed as a progressive revision of the ext3 file system and overcomes a number of limitations in ext3....
How to Count Word Occurrences in a Text File
Graphical User Interface word processors and note-taking applications have information or detail indicators for document details such as the count of pages, words, and characters, a headings list in word processors, a table of...
How to Find Linux Server Geographic Location in Terminal
In this article, we will show you how to find the IP address geographic location of a remote Linux system using open APIs and a simple bash script from the command line. On the...
2 Ways to Create an ISO from a Bootable USB in Linux
In this article, we will show you how to create an ISO from a bootable USB drive in Linux. We will explain two ways to achieve this: via the command line interface (CLI) and...
