VxVM 6.1 – How to manage Veritas Diskgroups with vxdg command?
To import the disk group, mydg: # vxdg import mydg To display the free space in the disk group, mydg: # vxdg -g mydg free
Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
Linux Network Troubleshooting
Network connection problems include slow connections, as well as complete loss of connectivity. Factors that may cause slow connectivity include incorrectly configured domain name system (DNS) settings, inefficiently configured routing tables, inferior cabling, overloaded servers, and network congestion. The same set of factors, as well as...
Solaris Admin Reference – Solaris Error Messages
Below are the common error messages we see in a solaris operation system. This notes will give a quick idea on various errors that we see in everyday system administration life.
Linux Admin Reference – RedHat Linux Kernel
1. How Do I Load a Kernel Module on System Start-up? ( RHEL5/6) 2. What is the technical differences between a normal SMP kernel and a hugemem kernel? 3. How to specify a ‘default’ boot kernel type for a RHEL? 4. How to update RHEL kernel ?...
Solaris 11 – Monitoring System Activities using sar in Solaris
How to Check File Access (sar -a) Display file access operation statistics with the sar -a command. $ sar -a SunOS t2k-brm-24 5.10 Generic_144500-10 sun4v … 00:00:00 iget/s namei/s dirbk/s 01:00:00 0 3 0 02:00:00 0 3 0 03:00:00 0 3 0 04:00:00 0 3 0...
Cloud Computing : adoption issues
In my previous post about ” Cloud Computing” , I tried to explain my understanding about cloud computing so far. In this post I am trying to highlight some of the important points and concerns , from various research studies, that need attention while planning for...
Solaris Troubleshooting NFS: “stale NFS file handle” errors
Stale file handles occur when a file or directory was held open by an NFS client, and then was either removed, renamed, or replaced. For example a file gets removed and a new file is created using the same inode, or if the file was...
RHEL7 Interview Preparation – Assessment – 4
[mlw_quizmaster quiz=30]
Just enough GiT for Puppet Automation – Part3
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...
Video Post – Overview of Systemd in Red Hat Enterprise Linux – 7
This Video will give you overview of Systemd in Red Hat Enterprise Linux – 7 , and this video is part of our Be an Expert in RedHat Enterprise Linux – 7 Course.
