A collection of articles, quick tips and how-tos that examine the tools provide by the GNU Core Utilities package, the base of all Linux Operating Systems.| Putorius
Learn the basics of use the tr (translate) command and take an in-depth look at some of it's more complex commands including complement and truncate.| Putorius
Learn how to use the Linux tee command for sending output to both the screen and a file. We also demonsrate some basic and advanced examples.| Putorius
How to use the Linux rev Command to reverse characters in text and strings. We also explore 3 practical uses for the rev command.| Putorius
Learn basic Linux cat command usage, how to use redirection operators and why you probably shouldn't pipe it's output to other commands.| Putorius
How to safely create temporary files and directories to be used in Linux shell scripting. Learn some of the security concerns related to temporary files.| Putorius
An introduction to Linux IO, standard streams, file descriptors, and redirection. Learn the basic operators and how to control stdin, stdout, and stderr.| Putorius
Learn how to start podman containers on boot by generating and configuring systemd service units for each container. The post How to Start Podman Containers on Boot appeared first on Putorius.| Putorius
Quick tip on how to specify a timezone with the date command. This will display the time and date in whatever timezone you choose. The post Specify the Timezone with Linux date Command appeared first on Putorius.| Putorius
If you ever wanted to update your BIOS or make any other hardware changes to your Linux system, you likely needed the motherboard information. There is a handy little command line tool called dmidecode that we have written about in the past. This program will... The post How to Find Motherboard Model and Serial Number in Linux appeared first on Putorius.| Putorius
A step by step guide to help you upgrade Fedora 33 to Fedora 34 using DNF in just 7 easy steps. The post How to Upgrade to Fedora 34 from Fedora 33 – Fedora Version Update appeared first on Putorius.| Putorius
In this Linux quick tip we show you how to specify a filename (save as) when saving a file in the vi / vim editor.| Putorius
Linux how-tos, tutorials, tricks, hacks and quick tips for everyone from Linux newbies to seasoned system admins. Learn to master the Linux command line.| Putorius
A beginner's guide to Firewalld basics that will help you learn how to open ports, manage zones, use rich rules and more.| Putorius
Learn how to use IPTables in place of FirewallD on a Red Hat 7 or CentOS 7 system. Disable firewalld and use iptables instead.| Putorius
How to trigger a Google Home Announcement from Smartthings - Make Google Home Speak when Something Happens in Smartthings| Putorius
Use the Linux detox command to easily clean up filenames with spaces and special characters from the command line.| Putorius
Learn the basics of iptables including opening ports, using chains, and saving iptables configuration.| Putorius
The SSH port is the network port used for establishing secure remote connections between computers. By default, SSH runs on port 22. However, you can secure your connection by changing the SSH port. This write-up will present you the process of changing the SSH port...| Putorius
Nextcloud is a robust, self-hosted file-sharing platform that allows you to control your data, providing a secure alternative to commercial cloud services. It's an excellent choice for those who want to manage their cloud storage service, whether for personal use or within an organization. Installing...| Putorius
Learn how to install a LAMP stack on CentOS 9| Putorius
How to use the cpulimit command to limit the amount of CPU usage a given process is allowed to use, step by step with examples.| Putorius
Step by step instructions on how to install directadmin to manage webhosting on Ubuntu 22. Includes basic firewall configuration also.| Putorius
Learn how to securely erase a SATA hard drive before disposal using hdparm in Linux. Ensure your data is safe.| Putorius
How to add a comment to UFW (uncomplicated Firewall) rules. UFW is the default firewall for Ubuntu and many other Linux distributions.| Putorius
Learn how to easily add comments to iptables rules to be a courteous Linux sysadmin. Adding comments is easy and a best practice.| Putorius
Learn how to configure your systems to automatically install updates using dnf. Works on Red Hat, CentOS, and Fedora.| Putorius
Learn how to install, configure, and scan for viruses on Linux using ClamAV. We will show you both command line and GUI examples.| Putorius
How to flush the local DNS cache on a Linux system using resolvectl or systemd-resolve commands. Flush old DNS records from cache.| Putorius
Learn how to limit docker container access to certain IP addresses. Using ipset to create a whitelist for systems to permit access.| Putorius
Learn how to run a command and send the output to an email from the Linux command line. Send the output of a script to an email address.| Putorius
How to find the date and time Linux OS was installed using simple commands and log files. Quick and easy Linux tip.| Putorius
Learn how to specify IPv4 or IPv6 for your SSH connections. With a simple command line option you can force SSH client to use ipv4 or ipv6.| Putorius
Learn how to easily export logs to a file from Journalctl. We discuss exporting all logs, and how to refine your exports to useful data.| Putorius
Check how long a process has been running in Linux using the ps command, some simple formatting options and easy to follow examples.| Putorius
7Zip version 21.0 provides native Linux support. Learn how to install 7Zip on Linux and the basics of creating and extracting 7z archives.| Putorius
Install the bsd-games package to play great text based games in your Linux terminal. Games like Monopoly, Backgammon, Hangman, and more!| Putorius
Learn how to show the line numbers in the vi / vim editor and how to jump directly to a specific line. Just set the number parameter!| Putorius
The moreutils package is a natural extension of the GNU Core Utilities. It provides additional functionality for command line operations.| Putorius
In this Linux quick tip we show you how to allow multicast packages through your firewall to fix the no devices found chrome cast issue.| Putorius
The Linux pee command allows you to split output from a command into multiple streams. Like the tee command for pipes!| Putorius
The sponge command is used to read all data from standard in then write it to a file. It reads all data in, before opening the output file.| Putorius