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How to use Linux command to delete the PREROUTING rule in iptables ?

This article will guide you on how to list and remove/delete iptables pretrouting chain nat rules on your #Linux based system. The -D or --delete option delete one or more rules from the selected chain. There are two versions of this #command, the rule can be specified as a number in the chain or a rule to match. One of the ways to delete #iptables #rules is by rule specification. To do so, you can run the iptables command with the -D option followed by the rule specification.


How to Install sudo on OpenSUSE to execute commands as root ?

This article will guide you on how to use the root user on #OpenSUSE Linux and the sudo command.To use sudo, you need to install and configure sudo on the OpenSUSE #Linux server. The #sudo command allows you to run #programs with the security privileges of another user (by default, as the #superuser). Using the #sudoers file, system administrators can give certain users or groups access to some or all commands without those users having to know the root password.


How To Run a Script In Linux?

This tutorial will guide you on how to write a simple shell script and run a script in Linux operating system with help of chmod and other commands.


Different apt commands which you can use in Ubuntu and Debian Servers

This article will show you the different ways to use apt commands with practical examples.


A complete guide on creating a Sudo User on Ubuntu 20.04 LTS

This article will help you to add a user account with access and privileges to run system administrator’s commands on Ubuntu 20.04 LTS systems.