Red Hat: Adding unused disk space to the existing volume group
If you have some unused disk space and want to add to the volume group.No data will be lost on existing volume. root@localhost ~]# df -h Filesystem Size Used Avail…
RED HAT : booting to rescue mode using DVD iso
Normally, I do not carry out major maintenance on Friday. If something goes wrong it will ruin your whole weekend. I've been enabling FIPS on all Red Hat servers to…
RED HAT: Extending Logical Volumes
Had a situation whereby /opt was running out of space. /Tmp had ample of space. Therefore, I decided to reduct /tmp and extend /opt volume. Following are the steps that…
Install CA certificate for application in Red Hat
Create a directory under an app/site in Red Hat server /path/cert Download a root CA certificate and copy to the above folder. Check the certificate expiration openssl x509 -text -noout…
Adding a new volume to the existing volume group
You can use the vgs command to display the attributes of the new volume group. vgs Displaying Logical Volumes lvcsan - scans forall logical volumes in the system and lists…
Terminating users account in RedHat 7
Red Hat recommends the following: Disabling the user's access to all systems and related resources (usually by changing/locking the user's password) Backing up the user's files, in case they contain…