If you have an internal domain and an internal name server which has only local hosts. He wants these clients’ requests to be forwarded to the outside nameserver if the local server doesn’t have that information. This can be done on the internal name server by...
Blog for Unix Admin / Solaris Admin / Solaris DNS
by Ramdev · Published June 18, 2011 · Last modified July 23, 2016
To verify that nscd is running at any time, run:
Blog for Unix Admin / Linux Admin / Linux Performance
by Ramdev · Published June 18, 2011 · Last modified July 2, 2015
To modify kernel parameters a common way is to change /proc file system: 1. Log in as root user. 2. Change to the /proc/sys/kernel directory. 3. echo <desired list of values> > <group of parameters> But this update is not permanent and after system reboot, your...
Blog for Unix Admin / Solaris Admin / Solaris Booting / Veritas Administration for unixadmin / VxVM Learning / VxVM Troubleshooting
by Ramdev · Published June 4, 2011 · Last modified August 22, 2015
Possible reasons for a boot failure: The boot device cannot be opened. The system cannot be be booted from unusable or stale plexes. A UNIX partition is invalid. There are incorrect entries in /etc/vfstab. Configuration files are missing or damaged
Blog for Unix Admin / Solaris Admin / Solaris Networking
by Ramdev · Published May 30, 2011 · Last modified July 2, 2015
Symptoms: * mpathd error messages in /var/adm/messages: “No test address configured on interface <interface_name> disabling probe-based failure detection on it” “Test address address is not unique; disabling probe based failure detection on <interface_name>” “The link has gone down on <interface_name>” “Successfully failed over from NIC <interface_name1>...
Blog for Unix Admin / Solaris Admin / Solaris Networking
by Ramdev · Published May 30, 2011 · Last modified July 2, 2015
Below are the steps are to be performed on the the FTP server (i.e., the system that is being ftp’d to). By default, the FTP server will timeout an inactive session after 15 minutes.
Blog for Unix Admin / Solaris Admin / SUN Hardware
by Ramdev · Published May 30, 2011 · Last modified July 2, 2015
When a system controller (SC) is hung, try a few steps before pressing the Reset button on the SC.
Blog for Unix Admin / Solaris Admin / Solaris Networking
by Ramdev · Published May 30, 2011 · Last modified August 6, 2016
A simple way to clear a machine’s entire ARP cache without rebooting, or deleting entries manually or waiting for timeouts.
Blog for Unix Admin / Solaris Admin / SUN Hardware
by Ramdev · Published May 30, 2011 · Last modified July 2, 2015
When the Power button (the rightmost button on the top row of the keyboard) on the keyboard is hit, the system goes into suspend mode. In this mode, the system can not be operated, nor can anyone telnet to the system. To come out of suspend mode, the Power button...
Blog for Unix Admin / Solaris Admin / Solaris Booting
by Ramdev · Published May 30, 2011 · Last modified July 2, 2015
Here I’m discuss some simple checks that helps to troubleshoot problems with startup scripts.
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