Bash String Concatenation

in Categories , , last updated November 18, 2010

How do I join two strings under BASH? I have two strings stored in two different variables (_p=/delta and _u=aqua) and how do I join this and assign it to another variable in bash?

Linux RAM Disk: Creating A Filesystem In RAM

in Categories , last updated March 5, 2010

Software RAM disks use the normal RAM in main memory as if it were a partition on a hard drive rather than actually accessing the data bus normally used for secondary storage such as hard disk. How do I create and store a web cache on a RAM disk to improve the speed of loading pages under Linux operating systems?

FreeBSD: Cannot load /usr/local/libexec/apache22/mod_security2.so into server: /usr/local/libexec/apache22/mod_security2.so

in Categories , , , , , last updated September 18, 2008

Q. I’ve installed Apache2 and mod_security21 under FreeBSD. Whenever I try to restart apach22 process I get following error:

Cannot load /usr/local/libexec/apache22/mod_security2.so into server: /usr/local/libexec/apache22/mod_security2.so

How do I fix this problem?

Vbulltin PHP Xcache Displaying Same Forum Data For Both Boards Error and Solution

in Categories , , , , , , , , , , , , last updated August 27, 2008

Q. I’ve followed your Xcache php 5.x opcode cacher installation under RHEL 5 for my vbulltin board. I see good boosting in performance. Now I’ve installed 2nd VB forum on the same server and I see all sub-forums hosted from 1st forum. So I had to disable Xcache. I want Xcache for both board on same host. How do I fix this mess?