HOWTO Turn off Line Numbers in VI
I always forget how to turn off line numbers in VI. The answer is: set nonumbers or set nonu. It’s all about the little things… Did you find this post useful or have questions or comments? Please let...
View ArticleLinux HOWTO Enable Miltucast Ping (ICMP) Replies (Echo)
The 2.6 Linux kernel does not respond to multicast ICMP Echo requests by default. This is a setting in /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts Test it: # cat...
View ArticleHOWTO Redirect Linux Console Without Reboot
You can re-apply your /etc/inittab file in real-time without rebooting your machine. This allows you to do a lot of neat things, such as redirect your system console to the serial port without a...
View ArticleOpenSUSE 11 and SLES 11 Enable Multiple Kernel Support for zypper
By default, when zypper upgrades your kernel, it treats the package like any other package. The old kernel is removed and the new kernel is installed. There are three ways to get your old kernel back...
View ArticleRead a Changelog From an RPM File
The internet is full of tips on how to read the changelog from an RPM package you have installed. How do you read the changelog from a .rpm file before you install it? The answer is amazingly simple:...
View ArticleHOW TO Extract the contents of a .scexe file
HP Releases self-extracting firmware update files for Linux as .scexe files. These files usually contain an installer and a bunch of XML controlls. A -h flag provides a couple options for running the...
View ArticleHOW TO Flush The Linux File Cache
You can’t prevent Linux from using the file cache and you don’t want to. However, on occasion you may want to flush it. Here’s how: First, flush your filesystems to disk. Just run the command sync...
View ArticleHOW TO Install mcrypt for PHP on RedHat Linux 6 and Oracle Linux 6
This tutorial shows you how to install libmcrypt and the companion PHP module under RedHat Linux 6 and Oracle Linux 6. By default, RHEL and OL do not provide mcrypt or libmcrypt packages for the 6.x...
View ArticleHOW TO Build non-root FreeTDS for Linux
This tutorial shows you how to build FreeTDS on any Linux (and probably Unix) system in a stand-alone fashion. No root or packages required. Prerequisites: You do need a compiler and functional build...
View ArticleHOWTO Build and Install Mcrouter for RHEL, OL, CENTOS 7.x
This post will show you how to build and install Mcrouter. Once complete, you will have a portable Mcrouter installation that you can apply to multiple machines via RPM. Building Mcrouter is not easy,...
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