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15 Practical PostgreSQL Database Administration Commands

Earlier we discussed about how to install PostgreSQL database on Linux from source. In this article, let us review top 15 practical postgreSQL DBA command examples. If you are a mySQL administrator, check-out our 15 examples of mysqladmin command article that we discussed a while back. 1. How to change PostgreSQL root user password ? [...]

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Photo courtesy of gfpeck Earlier we discussed 15 practical examples of find command and grep command. Now, it is time to turn our attention to something less.   In this article, let us review how Linux less command can be used to open and view the following 10 different file types: PDF File – *.pdf [...]

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Similar to mySQL, postgreSQL is very famous and feature packed free and open source database. Earlier we’ve discussed several installations including LAMP stack installation, Apache2 installation from source, PHP5 installation from source and mySQL installation. In this article, let us review how to install postgreSQL database on Linux from source code. Step 1: Download postgreSQL [...]

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Compress, Encrypt, Split and Transport Big Files Safely

Email administrators may set a limit on the maximum attachment size that can be attached to an email. You can follow the steps mentioned below to transfer big files that cannot be attached to the email because of the attachment size restriction. This technique can be used in general whenever you need to split huge [...]

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This article is written by SathiyaMoorthy.   This article is part of the on-going Vi / Vim Tips and Tricks Series.  In this article, let us review how to use Vim Editor for composing email in Thunderbird.     External editor Plugin does the magic of composing email in Vi/Vim editor easily, allowing us to [...]

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4 Ways to Identify Who is Logged-In on Your Linux System

This article is written by Hari Haran.   As a system administrator, you may want to know who is on the system at any give point in time. You may also want to know what they are doing. In this article let us review 4 different methods to identify who is on your Linux system. [...]

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15 Practical Grep Command Examples In Linux / UNIX

Photo courtesy of Alexôme’s You should get a grip on the Linux grep command. This is part of the on-going 15 Examples series, where 15 detailed examples will be provided for a specific command or functionality.  Earlier we discussed 15 practical examples for Linux find command,  Linux command line history and mysqladmin command. In this [...]

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Photo courtesy of Michael_P This article is written by Balakrishnan M   A while back we reviewed 11 examples on how to use editcap utility to capture network dumps. In this article, let us review mergecap utility and tshark commands.   Mergecap is a packet dump combining tool, which will combine multiple dumps into a [...]

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