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A collection of 8 posts

How to delete files with a specific extension in Linux

In Linux, it's often necessary to perform batch operations on a group of files, such as deleting all files with a specific extension. If you're faced with such a task, there's a simple command that can help you achieve it in a single step. The find command is a powerful

Check Which Application is Using the Maximum Memory in Linux

When working with Linux, it's important to understand how your system is using its resources, including memory. This information can be helpful in identifying performance issues and finding ways to optimize your system. In this blog post, we'll show you how to check which application is using the maximum memory

IP COMMAND FROM IPROUTE2

IP COMMAND FROM IPROUTE2

> ip command in Linux is used to show / manipulate routing, devices, policy routing and tunnels. It is a provided by iproute2 package. ifconfig command which is provided by net-tools package has been around since long and will stay around. ip is more powerful and modern and will eventually replace it.

BASIC LINUX SYSTEM COMMANDS

SOME BASIC LINUX SYSTEM COMMANDS -------------------------------------------------------------------------------- DISPLAY LINUX SYSTEM INFORMATION [root@web-server ~]# uname -a Linux web-server.novalocal 3.10.0-229.4.2.el7.x86_64 #1 SMP Fri Apr 24 15:26:38 EDT 2015 x86_64 x86_64 x86_64 GNU/Linux DISPLAY KERNEL RELEASE INFORMATION [root@web-server ~]# uname

SHELL SCRIPTING - ARGUMENTS / POSITIONAL PARAMETERS

In this series of Shell Scripting, today we discuss about command line arguments also know as positional parameters. To handle options on the command line, we use a facility in the shell called positional parameters. Positional parameters are a series of special variables ($0 through $9) that contain the contents

BASH SCRIPTING BASICS

> No programming language is perfect. There is not even a single best language; there are only languages well suited or perhaps poorly suited for particular purposes. --Herbert Mayer The default shell in most of todays linux distribution is Bash (Bourne-Again shell). A shell script is a "quick-and-dirty" of completing long

CLEARING DMESG LOGS

ABOUT DMESG dmesg is used to examine or control the kernel ring buffer. The main purpose of dmesg is to display kernel and boot messages. This simple commands can help you save & clear your old dmesg buffer. root@fa498b2ed935:~# dmesg |tail [0.000000] device veth0624ab4 left promiscuous mode [0.000000]

WORKING WITH VIM

CURSOR MOVEMENT * h - move left * j - move down * k - move up * l - move right * w - jump by start of words (punctuation considered words) * W - jump by words (spaces separate words) * e - jump to end of words (punctuation considered words) * E - jump to