Using sar Command to Get System Resource Stats
Sar is CLI utility that tracks and records system resource utilization. Extremely helpful if you want to have a historical view of the resource usage.
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Why Learn Linux?
As someone who has been in the IT industry for more than 20 years, I love to answer this question.
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How I Managed to Access My Proxmox Homelab Without Static IP from Outside the Subnetwork
Sharing my experience setting a domain on dynamic IP hosted Promox node.
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Using nice and renice Commands to Change Process Priority in Linux
You can modify if a certain process should get priority in consuming CPU with nice and renice commands.
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What is IFS in Bash Scripting?
The IFS in bash comes in handy when you are dealing with a different delimiter than the usual space, tab or newline.
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How to Check CPU Usage in Linux Command Line
As a sysadmin, it is important to keep a tab on the CPU usage. Here's how to do that in the Linux terminal.
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7 Tools for Managing Linux Servers Using a GUI
For ease of use, comfort and saving time, you can utilize these tools to manage your fleet of Linux servers through GUI.
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Setting up LAMP Server With an Older PHP Version
It is possible to set up a LAMP server with an older or unsupported PHP version. You can also use multiple PHP versions for different web services on the same server. Here's what I did.
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How I Use NFS for Sharing Folders Among Different Systems in Homelab Setup
Having shared folders is extremely convenient and useful to make your work easier and faster when you have to work with multiple systems.
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How I Built a Homelab on the Budget
Want to set up a homelab? Here's how I used old hardware and open source software to build my homelab.
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What is a Homelab and Why Should You Have One?
Having a homelab setup has multiple advantages. Learn what it is and why you should consider a homelab for yourself.
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df Command Examples
The df command is used for checking disk space in Linux. Learn some of the most common usage of the df command in Linux.
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dig Command Examples
Dig command in Linux is commonly used for retrieving the DNS information of a remote server. Learn how to use the dig command and understand its output.
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Using SSH Port Forwarding as a Security Tool in Linux
Learn to configure SSH port forwarding on your Linux system. Remote forwarding is also explained.
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How to Check Memory Usage in Linux? Use These 5 Commands
Knowing the memory utilization is an important part of system maintenance. You’ll learn various commands you can use to check memory usage in Linux.
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Using alias Command in Linux to Improve Your Efficiency
Alias command in Linux saves a lot of your time and improves your efficiency. Learn how to use this command properly and see some of the common aliases I use.
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How to Change Users in Linux Command Line
Linux systems have different users and different types of users. Learn how to switch the users in Linux command line or how to change to the root user in Linux.
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3 Ways to List Users in Linux
As a sysadmin, you'll often need to list all the users on your Linux system. Learn how to list all users in the Linux command line.
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6 Different Ways to List Hard Drives in Linux
This detailed guide will give you enough information to start using Emacs, and enough extra to make you want more.
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