I was trying to explain to a colleague a few days ago how a few shell commands can be really useful, when today I came across an example to try to illustrate. My problem was that I had 245 log files each about 70-80MB in size - roughly 4 million lines in... » More
For future reference: I installed Amavisd on CentOS and configured it to be used within Postfix following instructions here and here. I had also configured ClamAV and Spamassassin but those instructions are for another day. yum install... » More
I noticed one of our Windows 2008 servers running low on space on the C: drive and used Disk Usage Analyzer to scan the disk. I had been suspecting the winsxs directory as this has been a culprit in the past: However, this time it turned out to be... » More
The length of time it was taking after logging in to get Dropbox started was beginning to get on my nerves. The following worked for me: Open the Dropbox Preferences dialog and disable the option for "Start Dropbox on system startup" Next... » More
This week I started playing around with PHP and a honeypot mailbox I had created some time ago. The following PHP is what I have been using thus far - plenty more work to do: $hostname = '{imap.domain.uk:143/notls}INBOX'; $username =... » More
I decided to do a bit of checking on the proxy.pac file we were using. I grepped through our Apache access log files to pull out all of the IP addresses accessing the file over the year: zgrep "proxy.pac" ./2013-??-??.access_log.gz | awk '{print $1}'... » More
I wanted to add some colour to the output of my bash shell script and was able to do so with the following - very simple red and green: if ; then tput setaf 2 echo "OK There are no problems" tput sgr0 else tput setaf 1 echo "WARNING There... » More
On a misbehaving application we were seeing 200 transactions per second to a MS SQL Server database when normally there would be approximately 10 queries per second. To analyse the type of SQL queries received by the server I used 'SQL Server... » More
The notes here are a quick howto for using LDAP authentication against Active Directory. It is possible to use Samba/Winbind/Kerberos authentication within Radius too and I may post those notes when I get a chance but for now this is how I implemented it... » More
I was looking for an alternative to the Windows software 'Softerra LDAP Browser' and I stumbled upon Apache Directory Studio. Apache Directory Studio is based on Eclipse and allows browsing to LDAP directories, searching and editing. I tested it with... » More