“Turn off what you do not need” is my motto 🙂 . So, if you are not using the VMFS-2 (which you probably aren’t using since ESX 3.x) and/or NFSClient in you environment than you can safely unload these modules from your ESX host. You can list currently loaded modules with #esxcfg-module –q and if you want to disable the modules mentioned above then: Login to you ESX host as root user First, unload the […]
The tail command displays last 10 lines of a file and with the –f (follow) parameter you can see the data appended to it. So, if you want to see what is going on in the vmkernel of your ESX host: Login to you ESX host Type: #tail –f /var/log/vmkernel Watch for new events to appear If you want to terminate the process, press CTRL + C Nice & simple 🙂 Cheers! – Marek.Z
If you want to kill an unresponsive VM on an ESX server and it cannot be turned off with the vmware-cmd stop hard command then try the following: Logon the ESX server as Root and type: #vm-support –x to find the VMID of the unresponsive VM. Next, type: #vm-support –X <VMID> to kill the VM. Answer the questions as desired and wait until the ESX server finishes the job. Cheers! – Marek.Z
I have encountered this error after a clean installation of ESX 4 server on a new HP DL 380 G6. When you access your ESX server through web interface and you try to log in by clicking on the “Log in to Web Access” link, you get the “503 Service Unavailable” error in your web browser. Here is how I solved this issue: Log in to the console of the affected ESX server (or through […]
Follow these steps to start or stop a VM from the CLI of your ESX server: First, find the full path to your virtual machine by typing: #vmware-cmd -l To start a VM type: #vmware-cmd <path to your VM> start To stop a VM type: #vmware-cmd <path to your VM> stop (hard). This option is optional. It will force a hard stop of your VM. Cheers! – Marek.Z
Granting SSH access to the Root user is not recommended from the security point of view. But, when you are in a secured environment you can safely enable the SSH access for the Root user. Login on your physical server as Root user. Type: #vi /etc/ssh/sshd_config Find the PermitRootLogin value in the file and change it from “no“ to “yes“. Save the file. Restart the sshd service by typing: #service sshd restart You can now […]
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