Linux Admin / Linux LVM / Redhat Enterprise Linux 6 / Rhel6 Storage
by Ramdev · Published July 1, 2021
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...
Blog for Unix Admin / Solaris Admin / Solaris Disk Management / Storage Configs for Unixadmin / SUN Hardware
by Ramdev · Published July 1, 2021
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...
Storage Administration - SAN / Storage Configs for Unixadmin
by Yogesh Raheja · Published June 30, 2021
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.
Solaris Admin / Solaris11 Admin / solaris11-Howto / Unix Intermediate
by Ramdev · Published June 28, 2021
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...
Blog for Unix Admin / VCS Fundamentals / VCS Maintenance / VCS Troubleshooting / Veritas Administration for unixadmin / Veritas Cluster Services
by Ramdev · Published June 27, 2021
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....
KVM / Linux tutorials / Recent Posts / Redhat Enterprise Linux 6 / RHEL7
by Shujat Husain · Published June 25, 2021
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...
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