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Install Boot Block
How to install a Boot Block in Solaris 10?
krishnaraghava
- Sep 13th, 2010
Installboot /usr/platform/'uname-i'/lib/fs/ufs/bootblk /dev/rdsk/c0d0s0
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Disk Slice
What is the maximum slice than can be created in a single disk?
vivekmathur
- Mar 10th, 2012
In sparc system we can create only 7 slice bt in x86 is same as sparc 8th and 9th slice for boot loader files
satya.sridevi
- Nov 1st, 2010
Whole disk size can be the maximum size of a slice as usually slice 2 will be the whole disk partition in Solaris 10.
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In which run level NFS deamon will start ?
Answer:
zulu
- Feb 10th, 2007
Run level 2 is the first multiuser mode. This run level by default runs the standard UNIX services (telnetd, ftpd, smtp, etc). Run level 3 is the default run level of a given Solaris system. This run ...
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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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List the files in current directory sorted by size
Air-ric
- Jul 10th, 2013
Ls -lh | sort -n
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Why we use / for mount any file system?
anupam_vats
- Mar 25th, 2010
Whatever we want do in Unix, we can start after / because / is the owner of Unix OS.
rajasekar
- Dec 14th, 2006
If i am not Wrong , No need to specify / if the mount point we are going to specify is under the current directory . Please correct me if i am wrong
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What is the difference between UFS and VXFS and advantages of VXFS?
Amit Shiknis
- Dec 10th, 2007
Please have a look at following table for detailed technical specifications for VXFS and UFS file systems- FeatureXFSUFSVxFSNTFSMax FS Size18 million TB1 TB1 TB2 TBMax File Size9 million TB1 TB1 TB2 T...
jaykanthk
- Nov 7th, 2007
UFS :- UFS is having limited inodes. UFS is u can't increase and decrease the volumes and filesystems VXFS:- VXFS is having lot of inodes. VXFS is u can increase and decrease the volumes and filesystem at a time online.
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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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Solaris - increase directory size
Which command is used on command line to increase the size of the directory or mount point in sun solaris os?
Vijay.Chaudhary
- Jan 25th, 2008
1. mount . doesn't carry any space. Space is being consumed by the mount path it is reflecting.2. Dir. doesn't carry any space. It even doesn't carry files. It simply carry no. of links of any files and their names.3. Size is increased for various mounted fs.
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In Solaris 9 in which run level which file systems are mounted ?
clyton.a
- Jun 28th, 2008
Run levels0 --> Ok prompt (Forth commands)s or S --> Sinlge user mode with Critical file system mounted (/, /usr and /var)1 --> Single user mode with all file systems mounted2 --> Mu...
kumar_sanjeev
- May 6th, 2008
As per my knowledge runlevels are defined for processes. If it is also for File systems also let me confirm too.
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What is difference between "touch"and "cat" commands
samkrish11
- Apr 20th, 2010
Touch command is used to create an empty file. cat command is used to view the contents of a file.
xabiullah
- May 4th, 2009
1.Touch: If file is already existing, it will update the time stamp. If the file does not ex...
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Add disk space in Solaris
How to add 12GB disk space in Solaris?
Naveennagi
- Sep 19th, 2009
1. Attach empty harddisk to the PC 2. run devfsadm, now the harddisk will be detected in the PC. 3. run format command. a) Select the disk it will show options like 0 or 1 : select your disk there...
xabiullah
- May 4th, 2009
Following are the steps to add 12GB disk space in Solaris: 1. Connect 12GB drive to your system. 2. Execute 'devfsadm' command. - This will automatically load the module for the attached d...
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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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Route Information
In server where will you find route information?
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Importance of NIS
What is the importance of NIS? What is the need of NIS?
siddharthkalra
- May 29th, 2009
Well, NIS is important because, in a large network environment it is not a good idea to put user credentials in all of them, that is to say, there is a network of 50 sun servers, now if a new user is ...
chandue
- Dec 24th, 2008
NIS is used to centralize all network admin information in one system. like passwd,hosts,groups, shadow etc
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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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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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Solaris Administration System Message
Which command is used to check System Messages?
samkrish11
- Apr 20th, 2010
The system messages are checked in /var/adm/messages /var/adm/messages.0/var/adm/messages.1
kukanmani
- Sep 29th, 2008
The "dmesg" command is uset to check the System messages. This command just read and reflect the contents of /var/adm/messages file.
Solaris Admin Interview Questions
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