A chronological documentation test project, nothing serious, really!
This post describes how to allow users in the wheel group to use the sudo command without being prompted for the root password Edit /etc/sudoers Uncomment the line %WHEEL ALL=(ALL) NOPASSWD: ALL Add a user to the wheel group # gpasswd -a username wheel This does also work on Fedora and other Redhat based distributions.
It is possible to control which source address is put in to ARP headers using the ARP_ANNOUNCE option in the kernel. It takes the following values. 0 (default) Any local address 1 Use address from the same subnet as the target address 2 prefer primary address. This is worth knowing because the default can give […]
Today I had to solve a RPM problem on a Red Hat Enterprise Linux WS release 4 (Nahant Update 6) system (RHEL4) where there were duplicate packages when querying the rpm database. This had happened after an upgrade to update 6 using up2date from the command line. It seemed like i386 and x64 packages had […]