bit by bit
For remote graphical access to a linux server I generally prefer to use NX aka nomachine, however I’ve been doing admin work on some shared servers that I don’t want to install NX on for a few different reasons. All of the other admins here use VNC with SSH tunneling to access these boxen so…
Creating a new volume group, adding a disk to it and making it usable Scan HBA for new LUN’s: #echo ‘- – -‘ > /sys/class/scsi_host/hostX/scan #fdisk /dev/sda5 (or /dev/mapper/mpathx if multipathing) … create new partition, type lvm (8e), write changes to disk #partprobe #pvscan #pvdisplay #kpartx -a /dev/mapper/mpathX if it’s a multipathed device using dm-mulipath,…
#scsi_id -g -u -s /block/sdx If it’s a vm #cat /proc/scsi/scsi if it’s a /dev/cciss device(HP SAS) then use #cciss_id /dev/cciss/cXdX -bb