Category: Blog for Unix Admin

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Sysadmin BestPractices: Configuring loghost on Sun Fire 3800, 4800, 4900, 6800 and E6900

It is considered a ‘Best Practice’ to configure a ‘loghost’s for each server and production domain. A ‘Loghost’ on a Solaris platform can permanently save messages that are logged in the System Controller’s NVRAM buffer. This will insure that they are not lost due to either a...

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System admin Best Practices: Procedure to Install a New Server in a Datacenter and installing the Operating system remotely

Below are the steps commonly followed for the most of the enterprise networks where the data center located remotely and support performs build procedures remotely. 1. Procuring Hardware 2.  Allocate DC space and Racking Hardware 3.  Allocating network ports 4.  Configuring remote consoles 5.  Gather System...

4

Understand Boot Command

Boot arguments may include more than one string. All argument strings are passed to the secondary boot program; they are not interpreted by OpenBoot. If any arguments are specified on the boot command line, then neither the boot-file nor the diag-file nvram variable is used. The...

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Using "asr-disable" to disable PCI slots from OK prompt – Servers V440 or V490

System Administrators encounter frequent issues with onboard PCI slots after the maintenance operations like the OS upgrades, patch installations and firmware upgrades. And often it will leave us in a situation that we couldn’t  boot up the machine, because of the issues to recognize PCI slots after...

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VCS : Configure GAB manually

    VCS uses the Group Membership Services/Atomic Broadcast (GAB) protocol for cluster membership and reliable cluster communications. GAB has two major functions. It handles the following tasks: Cluster membership Cluster communications       To configure GAB Set up an /etc/gabtab configuration file on each...

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