How to enable/disable the firewall on Ubuntu 20.04 LTS
In this tutorial, you will learn: The default Ubuntu firewall is ufw, with is short for “uncomplicated firewall.” Ufw is a frontend for the typical Linux iptables commands, but it…
Anti-Petya live CD (the fastest Stage1 key decoder)
❗❗❗ATTENTION❗❗❗ Please use the LATEST version of the decoder, available here: UPDATE: 17-th July, a new version of Petya has been released. At the moment, there is no way to…
How to manually set up a Static or DHCP NIC in Ubuntu 20.04
How does it work? Netplan reads network configurations from /etc/netplan/*.yaml, written by administrators, installers, cloud image instantiations, or other OS deployments. During early boot, Netplan generates backend-specific configuration files in…
How To Install “net-tools” Package on Ubuntu / Debian
Package Description The NET-3 networking toolkit Quick Install Instructions of net-tools on Ubuntu Server. It’s Super Easy! Simply Copy (CTL-C) to copy the command and paste (CTL-V) it into your…
How to correctly add a path to PATH?
The simple stuff Depending on whether you want to add ~/opt/bin at the end (to be searched after all other directories, in case there is a program by the same…
Linux/Uniux Shells
The shell can be defined as a command interpreter within an operating system like Linux/GNU or Unix. It is a program that runs other programs. The shell facilitates every computer…