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Latest in AIX

Tutorials, tips and howtos about AIX (Advanced Interactive eXecutive) – a proprietary Unix operating systems developed by IBM (based on UNIX System V with 4.3BSD).

Linux / UNIX: Create Username or Groups in UPPER Case

Q. How do I create username or user groups in upper case under Linux / *BSD / UNIX operating systems?
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TCPDump: Capture and Record Specific Protocols / Port

Q. How do I capture specific protocol or port such as 80 ( http ) using TCPDump tool under Linux / UNIX? How do I recording Traffic with TCPDump and find problems later on?
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Find command: Exclude / Ignore Files ( Ignore Hidden .dot Files )

Q. How do I ignore hidden .dot files while searching for files? How do I ignore or exclude certain files while running Linux / UNIX find command?
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Configure BIND DNS Server to Listen Only On Certain IP Address or Network Interface

I want to to configure named ( BIND DNS Sever daemon ) to listens only on eth1 interface which has an IP address How do I configure my named BIND DNS name server to listen only on certain network interface or IP address on a Linux or Unix-like systems?
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How To Back Up a Web Server

Q. I'm using Red Hat Enterprise Linux based Apache web server. How do I backup my Apache webserver, MySQL and PostgreSQL database to another disk called /backup and then copy it to other offsite backup ssh server called backup.example.com?
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Access Any Remote Server Port Without Modifying Firewall Settings

Q. I've couple of remote servers and I'd like to access few admin only application running on port 10000 and 3001. My firewall only allows port 80, 443, 25, 22 and 110 for public access. Do I need to open port 10000 and 3001 for everyone using firewall? How do I access my admin only apps without opening port 10000 and 3001?
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How To: UNIX Add A User To A Group

Q. How do I add a user to a group under Sun Solaris UNIX operating system from a shell prompt or command line?
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Best Method To Reboot Remote Linux / Windows / UNIX Server

Q. I've couple of Linux / Windows server hosted in remote data center? My ISP provides following option for rebooting the box:
a) Graceful shutdown command
b) An IPMI reboot
c) A power strip

Which one is the best way to reboot server and why?
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Bash Shell Loop Over Set of Files

How do I run shell loop over set of files stored in a current directory or specified directory?
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I'm behind a squid proxy server. How do I access internet via proxy server when I use wget, lynx and other utilities from a shell prompt on a Linux or Unix-like systems?
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