As we discussed earlier in our basic ssh client commands article, when you do ssh to a machine for the 1st time (or whenever there is a key change in the remote machine), you will be prompted to say ‘yes’ for authenticity of host.
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In this article, let us review how to install MySQL on CentOS using yum. Instead of searching and installing mysql and related packages one-by-one, it is better to install MySQL using yum groups.
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On Unix platform, tar command is the primary archiving utility. Understanding various tar command options will help you master the archive file manipulation.
In this article, let us review various tar examples including how to create tar archives (with gzip and bzip compression), extract a single file or directory, view tar archive contents, validate the integrity of tar archives, finding out the difference between tar archive and file system, estimate the size of the tar archives before creating it etc.,
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Question: How do I uncompress a *.7z file ( 7zip file ) in UNIX / Linux ? Can you explain with a simple example?
Answer: Use 7za command to unzip a 7z file ( 7zip file ) on Unix platform as shown below.
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Bash shell functions are a way to group several UNIX / Linux commands for later execution using a single name for the group. Bash shell function can be executed just like a regular Unix command. Shell functions are executed in the current shell context without creating any new process to interpret them.
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Question: How do I view or extract the files that are bundled inside the packages of various operating system. For example, I would like to know how to view (and extract) the content of a rpm, or deb, or depot, or msi file.
Answer: You can use tools like rpm, rpm2cpio, ar, dpkg, tar, swlist, swcopy, lessmsi as explained below.
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inotify utility is an effective tool to monitor and notify filesystem changes. You can specify a list of files and directories that needs to be monitored by inotify. This library is used by various other programs. For example, CPAN module Linux::Inotify is developed based on this library.
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Photo Courtesy: pchow98
While most of us cannot kick someone ass like Jennifer Garner in Alias, we can at least try to use the Linux alias command effectively.
An alias command is simple string substitution of one text for another, when it is used as the first word of a simple command.
In this article let us review how to set / unset bash aliases permanently and temporarily. Let us also review some useful bash alias examples that you can use in your bash startup files.
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My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about Ramesh Natarajan and the blog.Copyright © 2008–2012 Ramesh Natarajan. All rights reserved | Terms of Service | Advertise
