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How to display data in a human-friendly way on Linux

Many Linux commands now have options to make their output a little easier to digest. Here's a look at some that bring out the friendliness of our favorite operating system.

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How to query your Linux system kernel

What can your Linux system tell you about the Linux kernel it's using? Let's do a little probing and see.

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How to use the gpg command to encrypt Linux files

Encryption commands such as gpg can be used to secure your most sensitive files on Linux systems.

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Is it time to start climbing the ladder to Kubernetes?

If you aren't using Kubernetes, it’s probably a good time to familiarize yourself with a technology that is dramatically changing the way applications are being deployed today.


Examining Linux system performance with dstat

Dstat provides valuable insights into Linux system performance, pretty much replacing older tools, such as vmstat, netstat, iostat, and ifstat.

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Linux tip: How to use pipes

In today’s Linux tip, we’re going to look at pipes, which take the output of the command on the left side and pass it to the command on the right to use as input.

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Linux tip: How to use the od command

In today’s Linux tip, we’re going to look at the od command, which allows you to look at the content of files.

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Converting and manipulating image files on the Linux command line

Using the convert command, you can modify image files without having to open an image editor.

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Linux tip: How to use the find command

In today’s Linux tip, we look at the find command – a tool that will prove very useful when you’re trying to locate a file or set of files based on almost any criteria.

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The aftermath of the Gentoo GitHub hack

A password guess and five days offline have left not only Gentoo's GitHub admins, but all of us, with some things to think about.

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Is implementing and managing Linux applications becoming a snap?

Learn what "snaps" are and why are they making the development and installation of Linux applications so trouble-free.

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Shredding files on Linux

On Linux, files can be erased but still be recoverable. Here's what to do when you really want them gone.

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Linux control sequence tricks

There are a lot of control sequences available on Linux systems -- maybe even some you've never used.

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2-Minute Linux Tip: How to use the top command

In today’s Linux tip, we’re going to look at top – a favorite tool for examining performance on a Linux system. Want to pinpoint why your Linux system is running slowly? Top can shed a lot of light on that.

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Red Hat reaches the Summit – a new top scientific supercomputer

The new supercomputer at Oak Ridge National Labs runs Red Hat Enterprise Linux and heralds a new level of cooperation between vendors.

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Comparing files and directories with the diff and comm Linux commands

The Linux comm command makes it easy to compare files or the contents of directories with its columnar output.


Copying and renaming files on Linux

There's more to copying and renaming files on Linux than cp and mv. Try some commands and strategies that might surprise you and save you some time.


How to use logger on Linux

The logger command provides an easy way to add messages to the /var/log/syslog file from the command line or from other files.

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