Nagios core is one of the most widely used free & open-source software for monitoring our IT infrastructure. We can monitor resource utilization like memory, cpu etc of servers, firewalls, switches , network etc. In our earlier tutorial, we installed & configured a nagios server which...
In a typical configuration, VCS is configured in a two node cluster. The Sybase data is installed on shared disks. The Sybase server binaries can be installed locally on both nodes or on shared disks. The agent for Sybase is installed on both nodes. The shared...
Below are several methods, with examples, to check network link status of ethernet interfaces in Solaris.
VCS Configurations / VCS Fundamentals / VCS Maintenance / VCS Migrations / VCS Troubleshooting / VCS Upgrades / Veritas Cluster Services
by Ramdev · Published September 2, 2022
Install the VCS software manually on server check the packages and install the license key. 1. ./Installvcs -installonly Configuring LLT and GAB: Create the LLT and GAB configuration files on the new node and update the files on the existing nodes. To configure LLT 1 Create...
Redhat Cluster Services / RHCS Configurations / RHCS Fundamentals
by Ramdev · Published September 1, 2022
In our previous post ( RHCS : GFS2 Filesystem configuration in Clustered Environment – Part1 ) we have discussed about the introduction and initial configuration of GFS2. And this post we will go through the administration tasks related to GFS2 filesystems. And this post doesn’t cover entire admin tasks...
Solaris 10 Zones & LDOMs / Solaris Admin / Solaris Troubleshooting
by Yogesh Raheja · Published August 31, 2022
Yesterday I faced an issue, where in I was unable to login into NGZ’s after kernel patching. Though the zlogin was working perfectly. Initially I think the cause is ssh key, then I tried to login into the NGZ from the network, it was showing ssh connection refused....
Blog for Unix Admin / Solaris Admin / Solaris Troubleshooting / Storage Configs for Unixadmin
by Ramdev · Published August 30, 2022
This procedure removes the root disk from DiskSuite control while leaving all other data under DiskSuite intact. A. Boot system from CD-ROM or Single User Mode ( using Single usermode, you have to be careful to not miss any of the configuration changes). B. Restore or...
Verifying access to the Oracle database You can verify access to the database by running an SQL query. Depending on the location of your $ORACLE_HOME, perform one of the following procedures.
1. Introduction to Partitioning Parted is a program to manipulate disk partitions. It supports multiple partition table formats, including MS-DOS and GPT. It is useful for creating space for new operating systems, reorganising disk usage, and copying data to new hard disks.
File Compressing and Decompressing Utilities We have several tools to compress and decompress in unix and linux environment. Below is the list of some commonly used tools. gzip-compression The gzip tool is typically categorized as the “classic” method of compressing data on a Linux machine....
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