Red Hat changes its distribution policy
Red Hat has changed its RHEL kernel patch distribution policy: it applies patches first, then releases the kernel source as a single tarball.
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389 notes on Linux, tools and troubleshooting
Restrict some users to sending mail only to internal domain
Postfix is a highly flexible MTA. This article explains how to restrict selected users to sending mail only to specified domains or within the company.
Multitouch configuration for Apple Magic TrackPad and Ubuntu 10.10 (Maverick)
Apple Magic TrackPad is an interesting device that can be more flexible than an ordinary mouse, depending on the support provided by the OS and driver. On Windows, you can use Magic TrackPad…
Preventing thwart SSH attacks with DenyHosts
Soon after a server connects to the Internet, people begin trying to log in over SSH. If root login is allowed and the password is easy, the server may be compromised.
How to save/restore and backup iptables rules
Today I will cover a simple topic for anyone unfamiliar with the commands for saving, backing up, and restoring iptables rules. This article does not cover the iptables GUI. One problem with Linux iptables is that restarting…
How to install ClamAV on CentOS 5 (RHEL 5)
ClamAV is an open source antivirus widely used on Linux and Unix. This free antivirus integrates well with services and offers flexible configuration.
How to root Motorola Defy with SuperOneClick for 2.1
Motorola Defy is a popular Android phone, and I use one myself. Limitations of Android 2.1, including the lack of wireless tethering, led me to root it.
Jailbreak iPhone, iPad and iPod touch on iOS 4.2.1 with Greenpois0n
Chronic Dev Team released Greenpois0n for jailbreaking iOS 4.2.1 on iPhone4 / iPhone 3GS, iPod Touch 4G, iPod Touch 3G, and iPad.
Red Hat Enterprise Linux 6 released
Red Hat Enterprise Linux 6, or RHEL 6, has officially launched. It combines code from Fedora 12 and 13, with kernel version 2.6.32 at its core…