It usefull sometimes to edit the initrd/initramfs image of the system. This howto describes the simple and usual way to do it.

Read more →

We are going to use the Cisco Discovery Protocol, CDP

Read more →

You may need it for example for an firmware upgrade of the disks on the storage system. Please ensure that you don’t have huge IO in the time frame and you applications will not timeout because of missing disk and will retry disk IO operations.

Read more →