Zero Filling a Disk in Linux

The simple way to wipe or zerofill a disk is: dd if=/dev/zero of=/dev/sd? bs=1M However I found an article describing how to zero-fill with a progress indicator using pipebench, installed on Debian/Ubuntu ...

Increasing CentOS LVM under VMWare

Background: I had an existing CentOS machine as a virtual machine running on VMWare ESX Server and it was running out of space so for future reference I did the ...

SquidGuard LDAP User Search and Special Characters

So I had a problem with the ldapusersearch string as some eejit has created an OU with spaces and an apostrophe in the name. So the characters are represented as: comma ...

Flushing local client DNS cache

From info I found here. This is how to flush the local client DNS cache. Windows: ipconfig /flushdns Linux: sudo /etc/init.d/networking restart Mac: lookupd -flushcache

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Browsing all articles from February, 2011

Written by jonny in mysql

31
Dec
2010

MySQL: Too Many Connections

On a shared server with MySQL and Apache the MySQL server was periodically disallowing connections as there were already too many connections. The default is 150+1 so I added the [...]

Written by jonny in linux

21
Dec
2010

Clamd and Iptables

Running Clam on a separate machine to our Mail Transfer Agent we needed to configure iptables to allow access to clam from those machines. Clamd listens for connections on port [...]

Written by jonny in web design

20
Dec
2010

Google Font Directory

The Droid Sans font from Google Font Directory is a lovely font with great readability for use on web pages.To use Droid Sans add a css link: <link href=’http://fonts.googleapis.com/css?family=Droid+Sans‘ rel=’stylesheet’ [...]