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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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Solaris Default Configuration Cluster
What is the default configuration cluster in Solaris installation?
Naveennagi
- Sep 19th, 2009
The default cluster in installation of SUN OS is SUNWCallCheck the PCs cluster configuration by typing below command cat /var/sadm/system/admin/CLUSTER The cluster installed in your PC will be displayed.
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TELNET and SSS
If a server is pingable but unable to TELNET or SSS what will you check and how will you resolve it?
sathish_us
- Sep 23rd, 2009
Check the TELNET & SSH services are running. If not, start the services.# svcs -a |grep telnet# svcadm enable telnet # svcadm enable sshIf still not to able to logon, check the firewall.
sankar.naru
- Jun 18th, 2009
You first check whether there are any dependency services are enabled or not.svcs -xv telnet and svcs -xv ssh If there are no dependencies then you can simply enable telnet and sshsvcadm enable teln...
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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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Jumpstart Installation
Outline the procedure of Jump Start Installation.
ram111
- Oct 1st, 2009
Jumpstart installation has 4 services1.boot services2. identification services3.configuration services4.installation servicesThese four services can be configured in different systems or in ...
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How to solve problem of SMC in solaris 9
srinivasan_nambirajan
- Nov 23rd, 2009
If Solaris Management Console is not opening, we can try to restart its services by stopping and starting the service of Solaris Management Console.To Stop the service of SMC server: #/etc/init.d/init...
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How to load a source from a unix box to same unix box target without copying in to the local machine and please tell me, How to rig up the mapping and where to give the path?
smrutimandal
- Dec 10th, 2009
If you are trying to use some file without copying it use lofiadm command# lofiadm -a /export/home/sol-10-u6-ga1-sparc-dvd.isoIt returns a /dev/lofi/# pathMount this path to a directory# mount -F hsfs...
Amaresh Ojha
- Dec 21st, 2006
We can use NFS to load it . Start NFS services on both the machines.
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What field will cause the message Your password has expired to be displayed to the user?
Max change
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Editorial / Best Answer
ehp_praveen- Member Since Mar-2006 | May 17th, 2006
Hi,The /etc/shadow file contains following fields.Login-id : Which indicates the username of that perticular user.Passwd : It Contains encrypted password.Lastchg : Indicates the number of days between 1-JAN-1970 and last passwd modification date.Min : Contains minimum no of days required between password changes.Max : Contains the maximum no of days the password is valid before the user's propted to enter a passwd at login.Warn : Contains the number of days the user is warn before the password expires.Inactive : Contains the number of inactive days allowed for that user before the user's account is locked.Expire : contains the date when the user account expires once exceeded. The user can no longer log in also it will display the message "Your password has been expired".
roserose1
- Jan 30th, 2010
User's password information will contain /etc/shadow fileunder shadow file "Max chnage" field contain password expired info.
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Check SOLARIS System
How will you check whether a Solaris system is alive or not? If it is down what checks will you do and how will you bring it up?
kalejo
- Feb 20th, 2010
If you can cant ping, telnet or ssh to the box and the server has a console configured. alom, RSC or serial. Connect to the server via your console if the Ok prompt is visible, try to boot the server,...
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How to install win xp after installing solaris for dual booting?
sreeram0403
- Dec 17th, 2007
if you want to operate 2 OS's then you should install XP first after solaris, why because XP will over right boot record of Solaris, so you can not get boot menu, and if you install solaris after ...
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What is the command to check consistency/errors of a file system?
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Run Levels in Solaris 9.0
How can we check the current Run level in Solaris? What are the different run levels in Solaris 9.0?
anupam_vats
- Mar 25th, 2010
Current Run level ----- Who -r S /s > Single usermod1 - Single usermod 0 - Open boot Program 2 - Multi usermod without NFS GUI mod3 - Default lt run level with GUI mode 4 - Not implemented 5 - Shut down 6 - Reboot
krishnaraghava
- Jul 14th, 2008
A run level defines the operations of solaris ,including what resources and services are available to users .you willl also here run levels called states or init states 0 : stops all servi...
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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 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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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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