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Route Information
In server where will you find route information?
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Consider the following crontab entry: “59 23 13 * 5 /wipe.disk” What time will this cronjob run?
11:59PM
krishnaraghava
- Feb 2nd, 2009
6 fields in cron tab
1) minute filed ----1-602) hourfiled-----1-243) day of month filed------1-304) month filed-----1-125) week filed-----1-66) command filed----/dec/cosolevmgarg
- Nov 4th, 2008
I will go in more details.On every friday, cron will checkup the date (irrespective of any month).If on friday, the date happens to be 13th,then,at 23:59 wipe.disk will be executed.NOTE:- As per my version, wipe.disk will get executed only on those, fridays that are dated 13th.
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IOSTAT Counter
How will you clear counter of iostat without rebooting the Solaris OS
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Kernal Initialization Files
What are the kernal initialization files?
arohilla
- Mar 25th, 2009
Kernel config file /etc/systemAll module independent files /kernelAll Platform dependent files /platform/"h/w version"/kernelfor intel base it should be i86pcfor sparc it should be sun4u
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User password
How the password get updated in shadow file , though it is having read permission?
utpalsarkar
- Mar 31st, 2009
In /sbin/passwd file SGID is set, reason which we can update the password.
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TOP Command
What is TOP command?
xabiullah
- May 4th, 2009
Top command is a system administrative tool to get the process information.In Solaris 10 OS, TOP does not work. Replaced by 'prstat' command.Additional to the Process table Information, top/prstat com...
amarendrap
- Sep 18th, 2008
Top command is used for checking processor informtionwe can use Prstart instead of TOP command
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Root File System
If root file system is full, how can you resolve it?
siddharthkalra
- May 29th, 2009
Another way to solve this is get a new disk with larger amount of disk space than root, then create a mirror of the root. Once created, detach the mirror. You may edit the vfstab file to mount ...
srujan4u
- Oct 2nd, 2008
If root file system is full, there are two alternates for time being, they are 1. adminstrator can use minfree space and can reduce inode space.# tunefs -m0 / ( / represents root space)2. The second m...
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Disk Label
can you remind what is the meaning of cXtXdXsX?
siddharthkalra
- May 29th, 2009
In the bookish wayc#t#d#s# isc = controllert = targetd = disks = slice Now, to make more clarityI would like to help you with an example but this is not accurate its just for your vizualisation eas...
krishnaraghava
- Jul 15th, 2008
The disk label is the ares set aside for storing information about the disk controller, geometry and slicesanother term used to describe a disk label is the volume table of contents(VTOC)the label dsik means to write slice information on the disk
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What command will display the VTOC for disk c0t0d0s0?
Prtvtoc /dev/rdsk/c0t0d0s0
Rakeshshivashetty
- Jun 13th, 2009
#prtvoc /dev/rdsk/c0t0d0s0 prtvoc--->Print volume table of contents
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What is the command to check Disk utilisation?
sankar.naru
- Jun 18th, 2009
Df -h (shows interms of GB's)df -k (shows in terms of KB's)du -k (shows the disk usage)
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Public Private Regions
What are Private and Public region?
sankar.naru
- Jun 18th, 2009
Private region is which contains configuration information i.e disk label, disk group name it belongs, disk group id, and configdb (generally this question is related to vxvm)Public region is to store the data.
Deva143
- Feb 18th, 2009
Private region is where all the configuration information is there and public region is where the user data is there (generally its related to VXVM)
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What is the command to create new file system?
sankar.naru
- Jun 18th, 2009
If you want to create UNIX file system there are two waysnewfs /dev/rdsk/c0t0d0s0mkfs -F ufs /dev/rdsk/c0t0d0s0or if you want to create veritas file systemmkfs -F vxfs (we have to give the path)
jaykanthk
- Nov 7th, 2007
Mkfs -m /dev/rdsk/c#t#d#s# this syntax to create a new filesystem. (OR)newfs /dev/rdsk/c0t0d0s0.
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1.Tell me the files used in Custom Jump Start?2.What is the signal while killing process?3.How to install boot block in solaris?4.What is state database(SVM Solaris)?5.How you create state database?6.How to grow the file system(steps)?7.If root file system filled what you do?8.How you check the logs solaris?9.Raid 1 Mirroring(Explain Mirroring)?10.uptime,top output?11.How to check processor information?12.If password file get corrupted how you restore?
jastiramadevi
- Jul 1st, 2009
1) First the dump OS is created using setup_install_server and add_to_install_server and then edit/etc/hosts. Create sysidcfg, profile, add preinstall and postinstall scripts and then create rules. ...
Vijay.Chaudhary
- Jan 25th, 2008
1. rules, sysidcfg, profile: 3 main files. After that we run addtoinstallclient script with few parameters and it updates /etc/ethers and /etc/bootparams. In the beginning we create a dump of inst...
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On Solaris 8 where is the log file for a failed patch installation stored?
/tmp/log.
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How many different kill signals are there?
44
sanketchopade
- Aug 7th, 2009
There are 45 signals in all. Starting from SIGHUP no 1 to SIGRTMAX no45.Check Sun link below:http://developers.sun.com/solaris/articles/signalprimer.html
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How do you boot from a Network with jumpstart?
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Recover Super Block
How to recover a Super Block in Solaris 10 ?
sathish_us
- Aug 24th, 2009
You can get the alternate super blocks by command,# newfs -N /dev/rdsk/c0t0d0s0Then, run with any of listed alternate blocks# fsck -o b=32 /dev/rdsk/c0t0d0s0
sankar.naru
- Jun 17th, 2009
First check where the alternate superblocks are availablenewfs -N /dev/rdsk/c0t0d0s0it will give the alternate super blocksthen choose any one alternate superblock no and run this commandfsck -o b=alternate superblock /dev/rdsk/c0t0d0s0
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What is the use of vm.core file?
anthonypra
- Sep 2nd, 2009
First this is not vm.core it is vmcore.X When an operating system crashes, the savecore command is automatically executed during a boot. The savecore command retrieves the crash dump from the du...
clyton.a
- Jun 28th, 2008
Whenever an Operating systems faces a fatal error it creates dump file by writing some of the memory contents of the kernel in the dump device (Swap device). After the system is rebooted savecore comm...
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What is the command to do an interactive boot from the ok prompt?
Boot -a
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What command will cause the system to rebuild the device tree?
boot -r , The other is to type touch /reconfigure, and then reboot
kavikish
- Sep 19th, 2009
touch /reconfigure and then reboot the system. During reboot the new device is detected and also the reconfigure file is removed (or)boot -- -r (from UNIX shell as root user)(or)boot -r (from ok ...
satheeshrsk
- May 7th, 2008
There are 3 ways to achieve rebuilding of device tree after adding a new device:1. touch /reconfigure --> Creation of this file causes the Solaris OS to check for the ...
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