Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
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).
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.
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...
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.
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...
Virtual LANs or VLANs are virtual separations within a switch that provide distinct logical LANs that each behave if there were configured on a separate physical switch. Some Important points about VLANS. All the servers connected with in a VLAN will have same broadcasting domain, and...
UFS to VXFS migration using vxfsconvert (Veritas Utility): The vxfsconvert utility converts a UFS file system to a Veritas File System. The conversion must be done on a Solaris system. Conversion of all UFS filesystem block sizes is supported. After a file system is converted to...