Install x11vnc on Ubuntu

Install x11vnc on Ubuntu

To install x11vnc on Debian/Ubuntu, run To start vnc server, run By default, there will be no password. To set

DMARC

DMARC

DMARC is used to protect your email from email spoofing. DMARC use SPF and DKIM record to validate your email.

Redirect OLD site to NEW using htaccess

Redirect OLD site to NEW using htaccess

To redirect old site to new url using .htacces, use following See htaccess

List kernel modules

List kernel modules

To list kernal modules, use Example

Logging Linux Commands for all users

Logging Linux Commands for all users

To log commands executed by users on Linux shell, edit file Add Create file Add Restart rsyslog Now log off

xinput

xinput

xinput command on linux shows all available input devices. Example

linux

linux

CentOS Ubuntu Debian ArchLinux openSUSE Try Linux distro with out downloading ISO

Parted

Parted

Partitioning hard disk for backup

Adding Backup Disk on a Linux Server

Adding Backup Disk on a Linux Server

It is better to have a 2nd hard disk on servers for taking backup. Here we will partition a fresh

Linux User Account

Linux User Account

Linux How to Disable a user account useradd usermod Adding a group in Linux with addgroup Linux groups

Linux How to Disable a user account

Linux How to Disable a user account

To disable or lock a linux user account, run Or To verify if a user is locked, run If account

How to extract RAR file in Linux

How to extract RAR file in Linux

unar is a utility to extract rar archive files. Using unrar To extract a rar file, run Install unare on