Category: System Admin
Configuring a permanant DHCP reservation on a Cisco ASA/PIX
February 2nd, 2013One of our offices uses a Cisco ASA/PIX and we want to manage all the IP address allocations with DHCP. The main benefit of this is that the dynamic IP address allocations can be managed centrally. If we change the default gateway of the network then no… more »
Plesk update causes makewhatis to fail
November 7th, 2012During the Plesk 10.4 update the installer tries to "clean up" your platform. "Clean up" is Plesk code for "Break". The update deletes everything in /var/cache. While this area is reserved for caching, most of the applications that use it don't expect t… more »
Open relay caused by Plesk 10.4.4 update
October 17th, 2012Another great shout out to the boys at Plesk. Installing patch 10.4.4 turned my box into an open relay that allowed spammers to use my host to send junk email.
I started to see the following appear in the process list. We were also finding that email… more »
Cisco ASDM 5.2 for ASA ClassCastException X509TrustManagerImpl to X509ExtendedTrustManager
August 31st, 2012I hadn't used my Cisco ASDM 5.2 for ASA for a while and when I needed to add a couple of extra users to the VPN it didn't work.
Everything seemed to load in ok but when I tried to submit my login credentials it hung. I loaded the Java console and got t… more »
Logging into a unix box without a password
August 10th, 2012From time to time I need to allow one user to log into another machine without being prompted for a password. This is extremely useful for anything that is automated for example doing the nightly backup which copies files across the network or running c… more »

