Linux

Using the vim editor in Linux to quickly encrypt and decrypt files

Most Linux users know vim as a text editor that descended from vi. It can also function as a tool for encrypting text files. In this post, we examine how this is done and how to reverse the process.

Examining network connections on Linux systems

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig.

Looking into Linux user logins with lslogins

The lslogins command can help you look into details of user accounts and login activity

Automating responses to scripts on Linux using expect and autoexpect

Checking network connections with arp and ip neigh

In Linux, the arp and ip neigh commands provide easy ways to check your local network.

2021 New Year’s resolutions for Linux users

Linux has a wealth a powerful tools to make working with it easier and more productive, and here are some tips for taking advantage of them.

Searching Wikipedia on the Linux command line with wikit

Using the Linux arping command to ping local systems

The arping command can ping local systems to find out whether they are responsive, and with the help of scripts, can ping specific IP-address ranges.

Creating your own cowsay messenger

Want to add a personal image or company logo for using with cowsay? It's easier than you might think to become a cowsay Picasso.

Using pidof and pgrep to list process IDs

The pidof and pgrep commands make selecting and using process IDs on the Linux command line painless.