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37 votes
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Isn't Ctrl-Alt-Delete on Linux *really* dangerous?

This can be useful for very, very seldom touched machines. Years after installation, if no-one can remember a login for the host, Ctrl-Alt-Delete will do proper shutdown and then let you use GRUB (or ...
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35 votes

Configuring SuperMicro IPMI to use one of the LAN interfaces instead of the IPMI port?

The following raw commands will surely prove useful to the next person who reads this topic. I got these directly from Supermicro support. Cheers: To get LAN mode: ipmitool raw 0x30 0x70 0x0c 0. ...
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  • 1,021
18 votes

Is it possible to reset the password on a SuperMicro IPMI interface?

Supermicro IPMI BMCs can be fairly erratic and troublesome. You should always use the utilities and tools provided by Supermicro before attempting a fix with universal tools such as IPMITool. It is ...
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  • 1,316
13 votes
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How to check if my Supermicro IPMI is compromised with plaintext admin password over the web?

Simply telnet to the IPMI IP Address in port 49152 and do a specific GET request. You should get your users and passwords if you're compromised. telnet server.example.com 49152 After the connection ...
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10 votes
Accepted

Supermicro IPMIView KVM Console does not work at all

Better answer and complete solution. The problem was the firmware for the IPMI on these boards was too old (not the same as the BIOS - updating the BIOS will not help in this case). Digging around ...
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  • 291
9 votes

Which STONITH hardware for power fencing?

As far as I'm aware there's no standard hardware (or software) solution for this. You can't Shoot The Other Node In The Head if it's not there. You can handle this a number of different ways - one ...
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  • 79.2k
8 votes
Accepted

Can't Start IPMIView on Windows 7 or 10

windows 10 Find SUPERMICRO and expand themenu right click on IPMIView in the menu. Then select More. Then select "Run as Administrator"
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7 votes

What is the difference between IDRAC, IPMI and ILO?

Old question but ... ; IPMI - Intelligent Platform Management Interface ( General Standard ) IDRAC - Integrated Dell Remote Access ( Dell ) ILO - Integrated Lights-Out ( HP ) IMM - Integrated ...
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  • 189
7 votes

Isn't Ctrl-Alt-Delete on Linux *really* dangerous?

If you have ILO/IPMI/... It makes absolute sense. The only reason for CTRLALTDEL was a magic trap when nothing else would interrupt. With a control card, you don't need that - you can reset the ...
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  • 498
7 votes

"HDD Status" in ipmitool sensor output

ipmitool might use sensor number and sensor name for command output. You can use the following command to print the command output in a more friendly format: ipmitool -H <ipmi_ip> -U <...
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  • 8,771
5 votes
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Supermicro BMC watchdog-caused reboots

Eventually, I found a little bit strange solution: just leave watchdog jumper (JWD1) open (with neither NMI nor hard-reset selected). Watchdog is enabled in BIOS settings. In this case watchdog works ...
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5 votes
Accepted

What IP address should I use for a device that I want to break network access to?

Would either of these work? I'm concerned that if I choose a IP address like 192.168.0.0 it could cause an issue if someone was to directly connect to the port and send packets to the network address. ...
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5 votes
Accepted

What are the advatages of IPMI when matched against regular SSH?

That question makes no sense. This is like what is the difference between a car and an answering machine. SSL is a transport level security. IPMI is a remote control protocol. It may, btw., utilize ...
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  • 50.8k
5 votes

How to run IPMI consoles now that NPAPI plugins are no longer supported?

Try javaws <jnlp-URL>. This runs Java plugins outside of the browser. https://www.java.com/en/download/faq/java_webstart.xml. Also, look if you vendor offers other tools to work with this.
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  • 97k
4 votes

Supermicro IPMI KVM: connection failed

For some reason any version of the IPMIView doesn't work with IPMI firmwares >= 3.32, including the last IPMIView one. You have to use the browser launching their Java plugin from a web-interface, and ...
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  • 8,034
4 votes

Support for virtual IPMI in a VM?

These days, such a beast does exist for libvirt, called VirtualBMC.
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  • 94.9k
4 votes

Configuring SuperMicro IPMI to use one of the LAN interfaces instead of the IPMI port?

You can also use ipmitool to set the lanport: sudo ipmiutil smcoem lanport dedicated Then check that your config is right: sudo ipmiutil lan -e You should see the line: SuperMicro Lan Interface :...
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4 votes

Can I use ipmitool to determine which IPMI link is 'up'?

The following works if you are SSH'd in to the server, so assumedly it should work via the "ipmitool -I lanplus" method as well: ipmitool raw 0x30 0x70 0x0c 0 The results are as follows: 00 = ...
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  • 41
4 votes

Isn't Ctrl-Alt-Delete on Linux *really* dangerous?

I feel that the chances of accidental reboot via ctrl-alt-delete are much greater than the chances of a server's root password being forgotten, and therefore in production environments it makes sense ...
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4 votes
Accepted

Which STONITH hardware for power fencing?

You can configure the iLO/IPMI based fencing, and then using for example fence_apc fencing agent with an APC power switch as a secondary fence device. That way, if the server loses power, then the ...
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  • 3,383
4 votes

Grub CLI Arrow Keys Don't Work With IPMI SOL

I had exactly the same problem as you but finally I realized we don't need Up arrow and Down arrow to navigate. See the comment at the bottom of the GRUB screen: Use the ^ and v keys to select ...
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  • 41
4 votes

Cannot boot server after power failure

After rapidly switch on off the psu in furious rage, the server finally boots.
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3 votes

How can I manage hundreds of IPMI BMCs?

I'm surprised nobody mentioned MAAS (http://maas.io/), which does exactly what you are looking for. It can autoconfigure and manage BMCs, and in addition deploy any OS onto the nodes you have enlisted ...
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  • 261
3 votes

IPMI: LAN Parameter Data does not match

The error LAN Parameter Data does not match! Write may have failed. happens due to prohibited write/change of IPMI/BMC parameters. The prohibition applied when in Section [LANCHANNELS] the parameter ...
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3 votes

SuperMicro BMC on OpenSuSE Linux --cannot access from LAN

I was getting that IPMI command failed: Request data field length limit exceeded error using ipmitool, so I downloaded ipmicfg from SuperMicro's website. That program told me that the password I'd ...
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3 votes

Supermicro IPMI and Windows Share

On my SMT-based IPMI 2.0, which is a rather old generation, a ISO-image won't mount no matter what. I had success via Java-console, which also allows mounting images.
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3 votes

how to do ipmi for fencing, hardware specific requirement?

You need a system which actually has IPMI. Your cheap desktop motherboard, like virtually all such motherboards, does not.
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3 votes

Accessing IPMI address

To get information about IPMI (and change it's settings) from a physically installed OS, you could use ipmitool(1) and numerous software like it. Mostly it requires root privileges to run. Then you ...
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  • 519
3 votes

How to disable ipmi over lan using ipmitool

Here is another way to disable lan channel : ipmitool lan set 1 access off
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  • 61
3 votes
Accepted

ipmi_si module is missing and can't be found

On your system (Centos 6.5 kernel 2.6.32-431) ipmi_si module is not present because it's built-in in the kernel. Double check with the following command: [root@host ~]# cat /proc/kallsyms | grep ...
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