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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Articles tagged with: korn

Controlling Process CPU Utilization

March 9, 2009 – 12:36 pm
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Let’s say there is a process on your Unix/Linux system that sometimes tends to consume all CPU resources and become unresponsive. At the same time, you do not want to terminate the process at the …

Sharing Videos from Linux to Xbox 360

December 19, 2008 – 8:49 pm
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Xbox 360 uses UPnP protocol to stream multimedia files from computers on your home network. Normally, you would have a Windows PC running WMP and sharing files. But what if you have a Linux box …

Useful SysAdmin Scripts: Search-and-Replace

June 1, 2008 – 3:03 pm
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Let’s say you moved your server to a new network and now it has a different IP address. You know your users have a habit of hard-coding the server’s IP into their scripts. So you …

Korn Shell Arrays

January 24, 2008 – 11:13 am
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Here are a few useful examples of how to use data arrays within Korn shell. Arrays are a great tool for storing user input and other data for quick, on-the-fly access. If, for example, you …

Contacting the sysadmin from command line

September 28, 2006 – 11:10 pm
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If you are a sysadmin, communicating with your users is an important aspect of your job. Phone, e-mail, SMS, and various service request systems are commonly used by most businesses. The problem with all these …

Database operations with SQL and Korn shell

November 20, 2005 – 11:46 am
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The following Korn shell function will read the a directory containing CSV data files named server_sysstat.20051119.csv with format:

FTP script with nested function

November 20, 2005 – 2:14 am
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An example of an FTP script with Korn shell.

Find largest files

November 19, 2005 – 11:17 pm
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How to find the largest files in the directory tree on Solaris.