Diagnose a failing RAID1 disk using S.M.A.R.T., badblocks, and mdadm, then replace it

Install Perl DBD::Oracle and Oracle Instant Client into a home directory on Debian without root access

Disable IPv6 in Debian by adding a GRUB kernel boot parameter

Configure GRUB2 for serial console output on Debian

Set up LUKS-encrypted disks using dm-crypt with GPG-encrypted keys fetched from a remote HTTP server

Install and configure Cobbler with yum on RHEL/CentOS 4.6 for PXE network provisioning

Use pdfcrop to trim large margins from PDF documents

Clean unused digiKam thumbnails while preserving thumbnails for photos stored on remote network shares

Save large web pages like Google Maps as JPG or PNG images using KDE window settings and Firefox Abduction addon

Download HD movie trailers in .mov format from Apple trailers using a wget script