A sample text widget

Etiam pulvinar consectetur dolor sed malesuada. Ut convallis euismod dolor nec pretium. Nunc ut tristique massa.

Nam sodales mi vitae dolor ullamcorper et vulputate enim accumsan. Morbi orci magna, tincidunt vitae molestie nec, molestie at mi. Nulla nulla lorem, suscipit in posuere in, interdum non magna.

RHEL 5 vs RHEL 7 comparision

Command changes for common tasks System basics Task RHEL5 RHEL7 View subscription information /etc/sysconfig/rhn/systemid subscription-manager identity Configure subscription rhn_register subscription-manager rhn_register View system profile sosreport dmidecode hwbrowser sosreport dmidecode lstopo lscpu Basic configuration Task RHEL5 RHEL7 Graphical configuration tools system-config-* gnome-control-center Configure network system-config-network nmcli nmtui nm-connection-editor Configure system language system-config-language localectl Configure time and […]

RHEL 7 – Changed mount behavior at boot – Nofail

Earlier versions of Red Hat Enterprise Linux booted regardless of whether all partitions specified in /etc/fstab could be mounted. This could result in a system appearing “up” and healthy, while booting without required partitions. To prevent this situation, in Red Hat Enterprise Linux 7, if a partition defined in /etc/fstab cannot be mounted at […]

RHEL 7 reset root password

If you lost the root password to the system and you have access to the boot loader, you can reset the password by editing the GRUB2 configuration.

Resetting the Root Password

Boot your system and wait until the GRUB2 menu appears. In the boot loader menu, highlight any entry and press e to […]

RHEL 7 XFS command vs EXT4

Task ext4 XFS Creating a file system mkfs.ext4 mkfs.xfs Mounting a file system mount mount Resizing a file system resize2fs xfs_growfs Repairing a file system e2fsck xfs_repair Changing the label on a file system e2label xfs_admin -L Reporting on disk space and file usage quota quota Debugging a file system debugfs xfs_db Store critical […]

How to find lun number in Solaris 10

Solaris 10: Find LUN id Step 1. Use format command to find your disk.

12. c4t60060480000190105493533033443843d0 /scsi_vhci/ssd@g60060480000190105493533033443843

Step 2. Find Logical Path of the disk

# luxadm probe|grep c4t60060480000190105493533033443843d0 Logical Path:/dev/rdsk/c4t60060480000190105493533033443843d0s2

Step 3. Get Device Address # luxadm display /dev/rdsk/c4t60060480000190105493533033443843d0s2 DEVICE PROPERTIES for disk: /dev/rdsk/c4t60060480000190105493533033443843d0s2 Vendor: EMC Product ID: SYMMETRIX Revision: 5773 Serial Num: […]

Remove the disk/subdisk/plex from veritas volume manager

#vxplex -g appdg -o rm dis vol103-01

If the disk group is exported, then you can force bash-3.2# vxplex -g appdg -o rm -f dis vol121-01

#Remove disk from diskgroup vxdg -g appdg rmdisk appdg01

Dissociating and removing plexes When a plex is no longer needed, you can dissociate it from its volume and remove […]