Linux and Unix tutorials for new and seasoned sysadmin
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?
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 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?
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?
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?
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?
How do I log POST data submitted by our user registration form to a log file under Debian Linux Apache 2 Web Server?
