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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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How to speak Linux

We might all agree on the command line, but start talking about Linux, and we might find that the rules of how to pronounce the names of Unix commands are not universal.

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Blacklisting modules on Linux

Blacklisting modules prevents them from being loaded and used, and it is sometimes an important step in keeping a system running properly.


Customizing your text colors on the Linux command line

The colors used on the Linux command line are intended to provide an easy way to identify files by type. You can change them, but you should have a good reason before you do.

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How to share files between Linux and Windows

In spite of the huge differences between Linux and Windows, sharing files between the systems is surprisingly easy. Here’s a look at two very different ways to make this happen.

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How to do math on the Linux command line

How to use the expr, factor, jot, and bc commands to do math calculations on Linux systems.


Finding what you’re looking for on Linux

How to use the find, locate, mlocate, which, whereis, whatis, and apropos commands to find files on Linux systems.

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Simplifying Linux with ... fish?

Some see a lot of promise in the evolution of "fish" on Linux -- a shell with a some unusual behaviors.


Working with calendars on Linux

With calendars on Linux, you can get more than just reminders of what day it is. Commands such as date, cal, ncal and calendar provide helpful information.


Reviewing logins on Linux

The "last" command provides some easy ways to see who has been logging into your system and when, but with a little more work, you can ask it to report on a specific time period.

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How to check your network connections on Linux

The ip command provides a lot of information on network interfaces. Here's some advice to help you understand what it's telling you.

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Linux command history: Choosing what to remember and how

Linux command history is not just about repeating commands. You can selectively decide what to remember and whether to record the date and time your commands were used.

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Linux: To recurse or not

Some Linux commands recurse without being asked, while others have to be nudged with just the right option. Here are some ways to use it to make you tasks easier.

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What is a Linux 'oops'?

When the Linux kernel detects something on the system violated the kernel's rules about proper behavior, it will shut the system down and issue an "oops."

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It’s launch day for Sylabs: Promoting portable high-performance containers for Linux

Support for container technology deriving from Lawrence Berkeley National Lab is getting a boost in enterprise and commercial markets through the formation of a new company, Sylabs.


The Linux ranger: What is it and how do you use it?

For those of us who cut our technical teeth on the Unix/Linux command line, the relatively new ranger makes examining files a very different experience. A file manager that works inside a terminal window, ranger provides useful...

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Why you should use named pipes on Linux

Named pipes aren't used all that often, but they provide some interesting options for inter-process communications.

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Linux resolutions for 2018

New Year's resolutions for Linux admins and users

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