June 2012
Intermediate to advanced
364 pages
8h 44m
English
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Chapter 5. Useful Tools and References
VMware has traditionally been configured and managed through the vCenter client. However, there are many tools that can manage and provide useful information via the Command Line Interface provided on the ESXI server. In this chapter, we’ll examine some important command-line utilities that will aid you in monitoring and configuring your ESXI server, and we’ll take a look at general best practices for setting up services that will be crucial for your ESXI server.
5.1. Entering Maintenance Mode via the Command Line
Problem
You are unable to access your vCenter server to initiate the maintenance mode command inside the vCenter. This can occur if there is a network outage, database corruption, or failed hardware. The method shown here will allow you to put the ESXi Host in maintenance mode and will allow for a safe shutdown if needed.
Solution
This command is not supported as of ESXi 5.0 in the esxshell and will require an additional installation on a Windows Server to access the vCLI Toolkit. Putting ESXi hosts in maintenance mode should be completed inside the vCenter if possible.
Discussion
To enter the maintenance mode, use this command:
vicfg-hostops.pl --server <ip> --username root --password <pass> --operation enter
To exit the maintenance mode, enter:
vicfg-hostops.pl --server <ip> --username root --password <pass> --operation exit
5.2. Displaying Server Information
Problem
You want to display current information about your ESX Server.
Solution
Run the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.