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Using the Linux look command to select lines from files

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How to use the fold command: 2-Minute Linux Tips

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The truth about Linux true and false commands

How the true and false commands work, and how to put them to use on the command line and in scripts.

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How to use the csplit command: 2-Minute Linux Tips

In this Linux tip, learn how to use the csplit command. It's a command that lets you split a file into pieces based on its content. For example, you might separate a file based on chapter headings, dates or content separators of some...

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Splitting files on Linux by context

The Linux csplit command provides a way to break files into pieces based on the content of the files.

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New Year's resolutions for Linux sysadmins in 2022

The beginning of a new year is always a good time to review what has gone well and not so well and make decisions about how you want to improve your work and your life.

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How to use the nethogs command: 2-Minute Linux Tips

In this Linux tip, learn how to use the nethogs command. As the name implies, nethogs will display information on how much processes using or "hogging" your network bandwidth.

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Timedatectl can control your Linux time and time zone

The timedatectl command allows you to examine date and time zone settings and, if you need, to make changes

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How to use the whois command: 2-Minute Linux Tips

In this Linux tip, learn how to use the whois command. It sends requests to what are called WHOIS servers. These servers maintain numerous details on domain registrations. So, when you ask about a particular domain, you get a pile of...

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Looking at Linux disk usage with the ncdu command

The ncdu command provides detailed data on disk usage by running through the contents of the current directory and collecting file sizes.

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How to use the dmesg command: 2-Minute Linux Tips

In this Linux tip, learn how to use the dmesg command. It's a command that displays the content of the kernel message buffer – messages that were sent by various system services such as device drivers. You can view a lot of...

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Using whois/jwhois on Linux

The whois and jwhois command can retrieve extensive details on domain registrations including domain registrants, domain status, responsible organizations and their locations.

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Use dmseg to check your Linux system's kernel message buffer

While the dmesg command can display the entire contents of the Linux kernel message buffer there are ways to have it choose just what you want to see.

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Shortcuts for adding multiple lines of text to files on Linux

It's easy to add a few lines of text to files on Linux, but there are tools that make it easier to add many lines.

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How to use the free command: 2-Minute Linux Tips

In this Linux tip, learn how to use the free command. It doesn't mean a command that you are not paying for, but one that tells you how much memory – physical and swap – is being used on your Linux system including how much is "free"...

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Using the script command on Linux to record command line activity

The script command not only makes a record of what commands you run but also allows you to save the output generated so that you can examine it later or easily turn your command sequences into scripts.

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How to use the bpytop command: 2-Minute Linux Tips

In this Linux tip, learn how to use the bpytop command. It's one of many "top" commands (like top and htop) that make it easy to gauge many aspects of system performance on Linux.

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Monitoring Linux system resources with bpytop

The bpytop tool works a lot like other performance monitoring tools, but gives you tremendous control over what it shows you.

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RHEL 8.5 caters to multicloud, predictive analytics, containerization

The latest version of Red Hat Enterprise Linux strengthens tools for vulnerability identification, compliance, and remediation.

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How to use the cheat command: 2-Minute Linux Tips

In this Linux tip, learn how to use the cheat command. It provides what have come to be called "cheat sheets" on a huge assortment of Linux commands. Once installed, all you have to do is type "cheat" followed by the name of the...

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