1. What command (and options) can be used to create a user named JSmith with the description “Jr Admin”? 1a. useradd –c “Jr Admin” JSmith 2. What is the format of the /etc/shadow file? 2a. The format of the /etc/shadow file is <username>:<encrypted password>:<last passwd change>:<min>:<max>:<warn>:<inactive>:<expires>:<not used>. 3....
hasys – add, modify, delete, display, or list information about a system. The hasys command allows administrators to manage information about each system. (A system is an object representing an individual computer within a cluster.)
Unix Intermediate / Veritas Administration for unixadmin / VxVM - How to / VxVM Learning
by Ramdev · Published December 9, 2021
To import the disk group, mydg: # vxdg import mydg To display the free space in the disk group, mydg: # vxdg -g mydg free
Blog for Unix Admin / Linux Admin / Linux Networking / Linux Troubleshooting
by Ramdev · Published December 8, 2021
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...
Blog for Unix Admin / EMail Posts / Reference Docs / Solaris Admin / Solaris Troubleshooting
by Ramdev · Published December 7, 2021
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.
EMail Posts / Linux Admin / Redhat Linux Kernel / Unix Intermediate
by Ramdev · Published December 6, 2021
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 Admin / Solaris11 Admin / solaris11-Howto / Unix Intermediate
by Ramdev · Published December 5, 2021
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...
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...
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...
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