linux system

Linux: What is Dash ( /bin/dash ) Shell?

by Vivek Gite on May 28, 2011 · 3 comments

What is /bin/dash? I noticed that the default system shell /bin/sh was changed to /bin/dash. Why was this change made?

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Ubuntu Linux Stop a Process

by Vivek Gite on April 23, 2011 · 0 comments

How do I stop a process under Ubuntu Linux using command line and GUI tools?

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Ubuntu Check RAM Memory Chip Speed and Specification From Within a Linux System

by Vivek Gite on February 9, 2011 · 2 comments

I want to add more RAM to my server running Ubuntu Linux. How do I find out my current RAM chip information such as its speed, type and manufacturer name within a Linux system without opening the case?

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Linux: Bash Get Time

by Vivek Gite on October 27, 2010 · 1 comment

How do I get the system time in BASH? How can I get the Linux system using bash shell?

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Delete SSH Keys

by Vivek Gite on June 24, 2010 · 5 comments

One my user leaves the office and I’d like to disable her access to our UNIX / Linux system. How do I delete ssh key from the UNIX systems so that user can not log in?

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