If you’ve been following along, you’ve likely been so busy setting up the mail servers that you still haven’t had the chance to test them. Verifying the functionality of your mail servers is always a good idea to make sure they are working properly. Even though...
When a system controller (SC) is hung, try a few steps before pressing the Reset button on the SC. Step 1 . Try to Telnet or directly connect to the serial port of the “hung” SC, TIP into the platform shell, and use the “reboot” command....
Veritas Administration for unixadmin / VxVM Learning / VxVM Maintenance / VxVM Upgrades
by Ramdev · Published January 11, 2022
Below is one of the procedure will help you to grow the root file system controlled by Veritas, but this procedure need system downtime 1. Remove the mirrored plexes from Veritas (vxplex -o rm dis ) use “vxprint -ht” to find the mirrored plexes (usually rootvol-02 & swapvol-02)...
In solaris 9 and above, sendmail uses a 2 queue paradigm structure (/var/spool/mqueue and (var/spool/clientmqueue). This is to make sendmail more secure by not giving out setuid for root in the binary, unlike Solaris 8 and below which has one queue (/var/spool/mqueue).
Blog for Unix Admin / Solaris Admin / Veritas Administration for unixadmin / VxVM Learning
by Ramdev · Published January 9, 2022
For VxFS versions previous to version 3.4, the only real conversion method involves a backup of the UFS data and a restore of the data to a new VxFS filesystem. It is impossible to “convert” a filesystem without some downtime.
Veritas Administration for unixadmin / VxVM Learning / VxVM Troubleshooting
by Yogesh Raheja · Published January 8, 2022
Procedure for disk replacement under veritas volume manager using vxdiskadm utility. Herein I am trying to present disk replacement under VXVM using vxdiskadm utility. Though the same can be done from command line (which is preferable as well). I will present the same in my coming...
Unix Intermediate / Veritas Administration for unixadmin / VxVM - How to / VxVM Learning
by Ramdev · Published January 7, 2022
Below information will give you quick summary of VxVM terminology and the definitions. Understanding these definitions will help you to quickly learn the VxVM concepts.
Linux Admin / Linux tutorials / Recent Posts / Redhat Enterprise Linux 6 / RHEL7 / Web Servers
by Shujat Husain · Published January 6, 2022
Apache web server is the most popular & widely used web server. It is open source software that is maintained by apache foundation & according to a data , it is being used on two-third (almost 67%) of total web servers to host websites. It is...
Understanding Puppet Modules Modules are directories that contain configuration information. Modules have predefined structures. An example module is openssh, which not only installs OpenSSH on a client, but also configures it. Modules can be shared easily with others. Numerous modules are available on Puppet Forge (https://forge.puppetlabs.com/)....
Best Practices to write puppet code – Puppet Style Guide The Puppet style guide is a list of best practices when writing Puppet code. There are more than a dozen recommended guidelines, and I list some of them here. The rest are available for your reading...
[contact-form to='ramkumar.ramadevu@gmail.com' subject='New Learning Request Submitted'][contact-field label='Name' type='name' required='1'/][contact-field label='Email' type='email' required='1'/][contact-field label='Learning Request' type='textarea' required='1'/][contact-field label='Are you Looking for ' type='radio' required='1' options='Paid Training,Free Training'/][/contact-form]
