Blog for Unix Admin / Solaris Admin / Solaris Networking / Solaris Troubleshooting
by Ramdev · Published June 12, 2014 · Last modified July 30, 2016
Troubleshooting lost Virtual interfaces after system reboot Virtual network interface that has just been setup is not seen as configured after a system reboot. The virtual interface no longer shows up in the ifconfig or netstat output.
Blog for Unix Admin / Solaris Admin / solaris X86
by Ramdev · Published June 12, 2014 · Last modified July 2, 2015
Instructions to Boot Solaris X86 CDROM to Single User mode: 1) Insert the Solaris x86 CDROM in the drive 2) Boot with the DCA floppy (2.6 and higher) or MDB floppy, (or correct Driver Update Boot diskettes) 3) Select the cdrom to boot when presented with...
My Three years old daughter told me these words!! My kid ( priyakari) started her playschool in Feb/13, She used to be a happy kid and very punctual to her school for the first 6 months. But suddenly, something changed in her schedule and she started...
Solaris Troubleshooting / Unix Intermediate
by Ramdev · Published September 8, 2013 · Last modified July 2, 2015
The utmpx and wtmpx files are extended database files that have superseded the obsolete utmp and wtmp database files. The utmpx database contains user access and accounting information for commands such as who, write, and login. The wtmpx database contains the history of user access and...
Solaris Admin / Solaris ZFS and Boot Environment / Storage Administration - SAN / Unix Experts
by Ramdev · Published September 23, 2012
In my earlier hands on lab post ( Hands on Lab – Replacing Failed Disks from ZFS Pools ( Simple / Mirrored / RaidZ )). I have explained the disk failure scenarios for ZPOOL mirror and RaidZ volumes, and this post is just continuation to that...
In one of our previous post “Solaris Troubleshooting (Magic of Solaris 10) – Root Password Recovery for any Solaris 10 (without CD/DVD)”. We tried to show how to recover system’s root password in Failsafe mode without any media for OS having single disk (i.e native device,...
Solaris Admin / Solaris ZFS and Boot Environment / Solaris11 Admin
by Ramdev · Published September 17, 2012 · Last modified July 31, 2015
In our earlier post ( To get Started with ZFS ) , yogesh discussed about various ZFS pool and file system Operations. In this post I will be demonstrating the redundancy capability for different ZFS pools and also the recovery procedure from the disk failure scenarios....
Beginners Lessons / Oracle Hardware / Reference Docs / Solaris Admin / Unix Beginners
by Ramdev · Published September 13, 2012
We are living in a trend of remote System Administration and in real-time we rarely touch and feel a server that we are managing for 24×7 ( 24 Hours a Day and 7 days a Week). Although we don’t really deal with our servers physically, it...
Solaris Booting / SUN Hardware
by Yogesh Raheja · Published September 11, 2012 · Last modified July 2, 2015
I came across one unique parameter which I would like to share on our gurkulindia, specially for small business organisations where we dont have seperate power backups for DC. Has anyone noticed while working on Solaris boxes if you will power down (init 5 or poweroff...
System Controller battery (BATTERY at SC/BAT/V_BAT has exceeded low warning) failure in T-series servers. Many a times you will get a hardware error in /var/adm/messages (or at ALOM/LOM prompt, console messages) for SC battery failure, In this post I will explain the battery replacement procedure along...
