sudo -s on RHEL 6 doesn't preserve HOME

Solution: If you're the only one using this machine, the easiest fix is to run this command as root: visudo and then add this line to the sudoers file: Defaults env_keep=HOME If this is a shared computer and you aren't at liberty to change the sudoers file, you can add this code to .bashrc in your home directory. be sure to log out and back in for it to take effect: # hack to preserve home when using sudo -s on rhel 6if [[ `cat /etc/*release | grep "release 6"` ]]; then    sudo() {        if...

uninstalling problematic rpms

if you're unable to uninstall an rpm using yum erase/remove or rpm -e because something in the rpm's uninstallation process is broken, try using rpm -e with the --noscripts --notriggers flags: $ sudo rpm -e sblim-sfcb/var/tmp/rpm-tmp.54035: line 7: /etc/init.d/sfcb: No such file or directoryerror: %preun(sblim-sfcb-1.3.11-0.7.14.x86_64) scriptlet failed, exit status 127$ sudo yum remove sblim-sfcb...Running Transaction/var/tmp/rpm-tmp.49575: line 7: /etc/init.d/sfcb: No such file or directoryRemoved: sblim-sfcb.x86_64 0:1.3.11-0.7.14 ...