bsd

vi Find And Replace Text Command

by Vivek Gite on November 13, 2010 · 3 comments

How do I find and replace (substitute) test using vi or vim text editor under UNIX / Linux / BSD or Apple OS X operating systems?

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UNIX Disk Usage Command Examples

by Vivek Gite on August 31, 2010 · 9 comments

How do I find out disk usage under UNIX operating systems using GUI, CLI and Perl / shell programs?

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OpenBSD version 4.5 and above made changes in kernel which prevents booting OpenBSD using KVM technology. OpenBSD 4.4 runs with mbbios enabled. However, due to some sort of bug in KVM it does not boots. The workaround is to disable mpbios. This may or may not happen with your installation.

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mod_setenv: Lighttpd Send Custom Headers

by Vivek Gite on March 26, 2010 · 0 comments

How do I add a header to the HTTP request that was received from the client under Lighttpd web server?

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Linux/UNIX: Move File Starting With A Dash

by Vivek Gite on February 20, 2010 · 9 comments

In Unix or Linux operating systems, how do I move file(s) starting with a dash (e.g., /home/you/–filename.txt or /home/you/-filename.txt)?

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Apple Mac OS X Open And View .chm File

by Vivek Gite on January 28, 2010 · 3 comments

I know how to open .chm files under Linux, but how do you open and view .CHM files under Apple Mac OS X?

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The cron and at services are used to allow commands to be executed at a later time. How do I restrict them to selected users such as root, opt1, opt2 and so on? How do I make sure user php can run php script but cannot modify or install a new job?

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