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operating systems

Linux: Configure Xorg X11 Window System

My xorg.conf file is missing as I deleted accidentally for some reason. Now, Xorg try to probe my hardware on every startup. How do I configure Xorg under Debian or any Linux distro / operating systems?
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Sysadmin because even developers need heroes!!!

HowTo: OpenBSD Mount an NTFS File System

I‘m dual booting my Windows XP system with OpenBSD. How do I mount an NTFS file system under OpenBSD operating systems?
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Append Current Date To Filename in Bash Shell

How do I append current date (mm_dd_yyyy format) to a filename (e.g., backup_mm_dd_yyyy.sql) under UNIX like operating systems?
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[ERROR] /usr/local/libexec/mysqld: unknown variable ‘thread_concurrency=8’

I‘m trying to set ‘thread_concurrency to 8 under Linux MySQL server. But when I try to restart the mysql server, I get the following error:

[ERROR] /usr/local/libexec/mysqld: unknown variable ‘thread_concurrency=8’

How do I fix this problem?
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AIX UNIX: Enabling Jumbo Frames

How do I setup jumbo frames under IBM AIX operating systems using command line tools?
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Truncate Large Text File in UNIX / Linux

How do I truncate or shrink large text file under UNIX / Linux operating systems?
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HowTo: Use cat Command In Linux / UNIX

How do I use cat command in Linux? How do I use cat command in UNIX? How can I use cat command in UNIX or Linux shell scripts?
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HowTo: Display / Echo Path Settings In Linux / UNIX / *BSD

How do I display my current path settings under Linux / FreeBSD / OpenBSD / NetBSD / Apple OS X / UNIX like operating systems using bash or ksh or csh / tcsh shell?
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Mac OS x Restart Apache Web Server

How do I restart Apache web server under Mac OS X operating systems?
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Ksh Read a File Line By Line ( UNIX Scripting )

How do I read a file line by line using KSH shell scripting under UNIX like operating systems?
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