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Linux and Unix tutorials for new and seasoned sysadmin

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Tag: debian linux

Debian / Ubuntu: Apache2 Change Default Port / IP Binding

last updated November 14, 2008 in Categories Apache, Debian / Ubuntu, Linux, Ubuntu Linux

Question: How do I change Apache 2 default port under Debian / Ubuntu Linux? I’ve couple of public IPv4 address assigned by my ISP, how do I force Apache2 to listen to a specific IP address? How do I change Apache2 IP address binding?

12 Comments

Debian / Ubuntu Linux Install tracepath / traceroute6 / tracepath6 commands

last updated July 3, 2008 in Categories FAQ

I’m not able to run tracepath or tracepath6 under Debian Linux. tracepath is default under CentOS Linux. How do I install tracepath command under Debian Linux 4.x server? How do I find out what package owns the command under Debian / Ubuntu Linux?

How To Set Caching DNS Server

last updated June 16, 2008 in Categories Bind dns, CentOS, Debian / Ubuntu, FreeBSD, Linux, Monitoring, Networking, OpenBSD, Package Management, RedHat and Friends, Solaris-Unix, Suse, Ubuntu Linux, UNIX

How do I set caching dns server to speed up dns lookup for my LAN (500 PC)? The DNS lookups creating a lot of network activity. There are a few times when this causes performance issues. How do I configure caching dns under Debian Linux?

13 Comments

How To Secure Apache Proxy Server (mod_proxy)

last updated May 31, 2008 in Categories Apache, CentOS, Debian / Ubuntu, FreeBSD, Linux, Security, Solaris-Unix, Suse, Troubleshooting, Ubuntu Linux

I’ve proxy (mod_proxy) enabled for Apache under Debian Linux 4.0 server. I’d like to use this to improve performance, but I don’t want an open proxy that can be used by anyone on the Internet? How do I secure my proxy as limiting access is essential as I’m using a forward proxy?

1 Comment

How do I know When I Need To Update My Linux System Software?

last updated May 24, 2008 in Categories BASH Shell, CentOS, Debian / Ubuntu, Linux, Package Management, RedHat and Friends

How do I know when I need to update my Linux system? How do I know new patches are available for CentOS Linux (Red Hat) / Debian Linux server system?

3 Comments

Your PHP installation appears to be missing the MySQL extension which is required by WordPress Error and Solution

last updated May 27, 2013 in Categories Debian / Ubuntu, MySQL, PHP, Troubleshooting

I’m setting up Wordpress based blog system under Debian or Ubuntu Linux. I am getting an error which read as follows:

Your PHP installation appears to be missing the MySQL extension which is required by WordPress

How do I fix this problem under Debian or Ubuntu Linux?

38 Comments

Apache Log POST Data To A Log File

last updated April 17, 2008 in Categories Apache, Debian / Ubuntu, Linux, Troubleshooting, UNIX

How do I log POST data submitted by our user registration form to a log file under Debian Linux Apache 2 Web Server?

9 Comments

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