unix operating systems HowTo - Linux / Unix Q & A from nixCraft

Unix Copy Command Examples [ cp command ]

last updated March 6, 2013 in UNIX

How do I copy files under Unix operating system using ksh or csh or bash shell prompt?

Mount CD-ROM / DVD in HP-UX Unix

last updated May 7, 2012 in UNIX

How do I mount CD or DVD on HP-UX Unix operating systems?

Unix HowTo: Start / Stop / Restart Network Service Command

last updated November 9, 2013 in UNIX

How do I start, stop, or restart networking service under HP-UX, OpenBSD, AIX and other Unix like operating systems?

Linux / Unix Shell Scripting: Create Filename By Day Of The Week

last updated February 15, 2012 in BASH Shell

I need to create a log file using the following format:

myapp_monday.log
myapp_tuesday.log
….
…
myapp_sunday.log

How do I create log filename with day of the week in it under Linux or Unix operating systems?

Mediawiki PHP Fatal error: Cannot redeclare wfProfileIn() Error and Solution

last updated December 26, 2011 in Apache, Troubleshooting

I‘m running the Mediawiki software under Apache web server running on the Unix operating systems. I’m getting the following in my php error log:

PHP Fatal error: Cannot redeclare wfProfileIn() (previously declared in /var/www/html/wiki/includes/profiler/Profiler.php:14) in /var/www/html/wiki/includes/ProfilerStub.php on line 25.

How do I fix this problem under Mediawiki version 1.18.0?

Linux / Unix curl: Pass HTTP Referer

last updated November 6, 2011 in BASH Shell

How do I pass the referrer (HTTP referrer)as an HTTP header field using curl command under Linux OR Unix operating systems?

Mplayer Shuffle Command: Play Files In Random Order

last updated October 1, 2011 in Linux

How do I play files in random order using the mplayer command line player under Linux / Unix operating systems?