How do I remove a passphrase from an OpenSSL key?
Have you grown tired of typing your passphrase every time your secured application starts? You can decrypt your key, removing the passphrase requirement, using the rsa or dsa option, depending...
Layer Four Traceroute (LFT) and WhoB
LFT, short for Layer Four Traceroute, is a ‘traceroute’ application that works much faster than traditional Linux (traceroute) and Windows (tracert) options and can bypass restrictive packet-filters (firewalls). More importantly,...
Secure SSH with DenyHosts
DenyHosts is a script designed to thwart SSH server attacks – also known as dictionary based attacks and brute force attacks. If you’ve ever looked at your ssh log (/var/log/secure...
Microsoft SQL Database Consistency Checks
If you are backing up a Microsoft SQL server, it’s advisable to perform a consistency check, post backup. If the consistency check fails you will need to runa manual check...
How do I schedule a reboot in Linux?
I’d like to be able to schedule a Linux server reboot at a specific time, but not regularly. How can I do this without adding and removing cron entries? You...