Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
In this post, you can find the procedure to recover a deleted logical volume, from the linux server with below configuration. Server Name : GURKULRHEL Version : Redhat Enterprise Linux 6 LVM Configuraiton: VG NAME...
On most Sun systems you can obtain the disk serial numbers that correspond with c#t#d#’s with the following command:
Another tool you have in your bash shell tool belt is the shift command. The bash shell provides the shift command to help you manipulate command line parameters. The shift command literally shifts the command line parameters in their relative positions. When you use the shift...
1.What are the two types of back-end authentication mechanisms discussed in this post? 1a. This post described tdbsm and smbpasswd back-end authentication. 2. When you’re creating a share, there is no option to make it browseable. True or False? 2a. False. The browseable option is available for...
HBA firmware upgrades on Solaris servers. In continuation to pre works for storage migration, herein I will be presenting HBA Firmware upgrades on Solaris servers (using Emulex & Lpfc utilities). We will be upgrading HBA Firmware from version 2.72a2 to 2.82a4 for HBA Model Model: LPe11002-M4...
Below is the Reference to Common Solaris Error Messages and their troubleshooting tips.
On SPARC platforms, the following two options of the boot command support booting from a ZFS boot environment or root file system: -L Displays a list of available boot environments within a ZFS pool. Note – The boot -L command is executed from the OBP, not from...
VCS uses two components, LLT and GAB, to share data over private networks among systems. These components provide the performance and reliability that VCS requires. LLT (Low Latency Transport) provides fast, kernel-to-kernel communications, and monitors network connections. LLT configuration files are as follows: /etc/llthosts—lists all...
1. What port does the SMTP service run on? 1a. The SMTP service runs on TCP port 25 and pop3 service runs on 110. 2. What command is used to change the mail server from Sendmail to Postfix (useful only if you have both installed)? 2a....
Use of virtualization is on rise, more & more enterprises are adopting it. Perhaps the biggest advantage of using it cost saving. Companies save on hardware resources, space & reduced power consumption. &One of the major player in the field of virtualization is KVM technology. KVM...