You don’t have the libraries installed for managing XFS filesystems.  Resolution: yum -y install xfsprogs xfsprogs-devel

When performing a “yum update” on a CentOS 6.5 server to bring it up to CentOS 6.7 the Areca RAID driver wasn’t compiled in the ramdisk for the kernel (or installed for the kernel) even after installing kmod-arcmsr-1.30.0X.20_rhel6.7-1.x86_64.rpm resulting in the following error: Kernel panic – not syncing: Attempted to kill init! Pid: 1, comm: […]

If you need to automatically fill in inputs on shell scripts you can’t use echo as it will pass it as an argument to the shell script instead of writing it to stdin for the script.  Instead use printf.  Below is an example of using it for an OSSEC install: # printf “en\n\nlocal\n\nn\n\n\n\n\n\n\n\n\n” | ./install.sh  

If you are using CentOS rescue to fix a server and it can not automatically map/find/rebuild/whatever the directory structure correctly you may find this useful.  Using chroot after fixing everything yourself does not populate the /dev /proc and /sys directories so you need to do it yourself, if the rescue image finds the install automatically […]