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Configuring SAN storage is usual task of system administration in Enterprise network environment. And Of course there is lot of engineering activity involved in certifying a process , that defines the guidelines on what hardware / software matrix should be used for stabled operating environment. In this...
Whenever a system with a valid kdump configuration crashes, it will to create a vmcore core file either locally or remotely based on the KDUMP location paramets in kdump.conf file. And we need to upload these vmcore files to Red Hat support staff for further analysis...
This article is basically for those who already knows what is hadoop and why it is used. If you are not familiar with hadoop, please skip this post. We will be having another article to give basic understanding of the hadoop. Hadoop can be...
In this post we will discuss about the commands to check DNS configuration and functions for sendmail. Follow these steps to: ensure dns client configuration is in place and enabled; verify mail exchanger lookups are successful (if using DNS for mail exchanger lookups). To resolve error...
Options are single letters preceded by a dash that alter the behavior of a command. This section shows three methods for working with options in your shell scripts.
Upon request from many of our Unix Folks, I am trying to present some of the most useful configuration files for Solaris OS.
As we already aware, each and every device that connects in the internet is assigned with a serial number called IP Address, and IPv4 is the default standard that we are using to allocate IP address to each internet connected device. How many IPv4 addresses available...
The setup of a name caching-only server is a little different from what you have done already. The first thing we mentioned before starting any configuration is that you back up the original /etc/named.conf file (RHEL6 only). This original /etc/named.conf file is actually a sample named.conf...
All Posts in this Series Just enough GiT for Puppet Automation – Part1 Just enough GiT for Puppet Automation – Part2 Just enough GiT for Puppet Automation – Part3 Just enough GiT for Puppet Automation – Part4 Just enough GiT for Puppet Automation – Part5 Just...