Benefits of Becoming an LPI Member

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Recently, Linux Professional Institute (LPI) launched a formal membership program for holders of its professional level certifications. This program includes holders of LPIC-1 certifications or higher, as well as those certified in the growing list of Open Technology topics.Membership allows certificate holders to incrementally update their knowledge and...

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LPIC 2 – Linux Engineer

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It is the second of LPI’s multilevel professional certification. It enables the candidate to administer small to medium-sized networks. To qualify for this certification, the candidate needs to have an active LPIC -1 Certification. However, the LPIC-1 and LPIC-2 exams can be taken in any order. The validity...

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LPIC 1 – Linux Administrator

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This certification enables a candidate to perform command-line maintenance tasks, install and configure a Linux system, and its basic networking. It validates a candidate’s ability to manage a real-world system administration. This certification does not require any prerequisites. The validity of this certification is 5 years. A candidate...

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Exploring the Linux locate command

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The Linux locate command lets you easily find files in the filesystem. It works by maintaining a system-wide database of "all files which are publicly accessible". The database itself is updated periodically by a background process. Because of this approach it returns results much faster than the find...

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vi/vim delete commands and examples

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vi/vim editor FAQ: Can you share some example vi/vim delete commands?The vim editor can be just a little difficult to get started with, so I thought I’d share some more vim commands here today, specifically some commands about how to delete text in vi/vim. (vim is the modern...

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Dorothy K. Gordon Joins the Linux Professional Institute (LPI) Board of Directors

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I am very happy to introduce Ms. Dorothy K. Gordon as the latest Board Director for the Linux Professional Institute.Born in Ghana, Dorothy also spent much of her early life in the United Kingdom and Nigeria.  She is fluent in English and French, and is currently studying Spanish...

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The Unix compress command

The Unix compress command is rarely used any more, and has largely been replaced by the Unix/Linux gzip and bzip2 commands. However, on some Unix systems the compress command is still used, so for them, here are a few examples of how to use it. Unix compress command...

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Zigging while others are zagging

These days, at least in the US, it’s common for airline safety announcement to conclude with something like, “We know you have a choice of carriers and we appreciate that you chose us today”. It’s a nice sentiment, but it would be great if that message wasn’t so...

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uniq Command in LINUX with examples

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The uniq command in Linux is a command line utility that reports or filters out the repeated lines in a file. In simple words, uniq is the tool that helps to detect the adjacent duplicate lines and also deletes the duplicate lines. uniq filters out the adjacent matching...

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tar gzip example - How to work with files that are tar'd and gzip'd

tar gzip FAQ: How do I work with tar archives that have been created with tar and gzip? When you work on Unix, Linux, and Mac OS X systems, you'll quickly find that tools like tar and gzip are your good friends, so learning how to work with...

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LPI: Perl printing examples

Perl printing FAQ: Can you share some Perl printing examples? There are several different ways to print in Perl, and I thought I'd share some examples here today. The Perl print function Generally you'll print simple output with the Perl print function. As a simple example, you can...

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The Linux wc command (word count)

The Linux word count command is named wc. The wc command counts the number of characters, words, and lines that are contained in a text stream. If that sounds simple or boring, it's anything but; the wc command can be used in Linux command pipelines to do all...

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