Network File Sharing (NFS) is a protocol that allows us to share directories and files with other Linux clients over a network. The ports for NFS are confusing for many people. We will deep dive into this today. NFSv3 Port…
Bash For loop is used to execute a series of commands until a particular condition becomes false. Bash for loop in one line is very handy for Linux admins. Bash for loop in one line is a control structure that…
PSH and ACK are tcp flags in the TCP protocol. These TCP flags are ways for TCP to communicate between clients and servers. PSH (push) flag indicates that the incoming data should be passed on directly to the application instead…
In this Linux command line cheat sheet, we will learn: Basic Linux Commands File management user management Linx Commands Programing Linux Commands Job management Filesystem management Linux commands Process management Linux Commands Shortcuts …
TCP flags are used to indicate a particular state during a TCP conversation. TCP flags can be used for troubleshooting purposes or to control how a particular connection is handled. TCP flags are various types of flag bits present in…
This article is part of the following series. Linux high IO wait is a common Linux performance issue. Today we will look at what io wait means and what contributes to this problem. Hope this can give you more…
Enabling password-less login on Linux using SSH keys provides a more secure and convenient way to authenticate and access remote servers. Here are 4 steps to log in to Linux without the password. Create SSH Key on Client We…
Introduction Few things are as annoying as a productive SSH session that suddenly dies with: You step away for a coffee, come back, and your connection is gone — along with whatever you were running in the foreground. This happens…
SSH protocol supports several public key types for authentication keys. The key type and key size both matter for security. We will dive into every type of SSH key today to check out which one is more secure in Linux.…
The for loop is one of the most fundamental constructs in Bash scripting. Whether you are renaming hundreds of files, automating server backups, iterating over a list of IP addresses, or processing command outputs, mastering the for loop saves you hours of repetitive command-line…
