Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
The command ‘ifconfig -a‘ will find system network interfaces that have been configured on boot, but it is difficult to find the interfaces that may be ‘sleeping’ . We normally trace the name by searching thru dmesg, prtconf, or /etc/path_to_inst
Below are the steps to rebuild the /dev/sg/* and /dev/rmt/* and to detect Robot devices on a Solaris server: Note: Prior to below steps I have verified the outputs in cfgadm to check Tapes and Media Changer (Robot) status. 1.) Check and create a backup copy...
Let us assume that our system administrator Jack is supporting for a server environment in which a small set of servers are located in DMZ (Demilitarized zone ) network . In order to connect any DMZ server Jack has to ssh from his machine (windows PC/Unix...
Due to the complexities of Samba and its integration with Windows, there are quite a few different Boolean values that you need to change.
Overview of Email Services The email system is divided into three different parts: MUA, MDA, and MTA. The mail user agent (MUA) deals specifically with end users. It is what they use to type and read emails they receive. The MUA is a mail client of...
Whenever we install Solaris Zones, Solaris will assign some set of privileges to take care of activities that impacts overall systems that means that particular zone as well as other zones. And Solaris classifies the available privileges as 1. Default Privileges 2. Optional Privileges 3. Prohibited...
It’s been long time that I have posted something on automation/scripting. And every time when I thought of writing a post for this section, I used to divert by one or another concept. But finally I got one quick post for you. And this post is...
On an NFS server, the following error shows up in /var/adm/messages: /usr/lib/nfs/nfsd[391]: t_accept(file descriptor 5/transport tcp) TLI error 7
There are chances that you lose the complete server and you see no other option other than restoring it from the recent full backup. There are many ways of doing it, below procedure is one of them.