Supermicro ipmi java problem

supermicro ipmi

подскажите как работать с этим чудо продуктом?
дали доступ и задачу-переустановить систему
ipmi требует java, пробовал на линукс, винде 7,хр но везде хочет джаву
пытался поставить джаву на винду но она совсем не ставится
пробовал ipmiview но там не нахожу консоль переустановки

А что значит java совсем не ставится? А так ну как бы нужна она естественно. Причём ещё наверняка нужно будет добавлять в доверенные адрес сервера.

Оно работает просто как kvm — то есть, просто ты видишь консоль системы через сеть, включая экраны биоса. То есть, перезагружаешь, жмешь Del (или F2, по обстоятельствам) — попадаешь в биос. Также при загрузке надо внимательно смотреть на сообщения, говорящие какую комбинацию клавиш надо нажать, что бы попасть в настройки raid-контроллера (если есть).

Более-менее свежие реализации ipmi умеют подрубать виртуальные загрузочные флешки или iso через сеть. То есть, где-то в веб-интерфейсе подрубаешь загрузочную флешку/диск, перезагружаешься, и вперед. Имеет смысл искать самый-самый минимальный загрузочный образ, потому что через сеть оно работает печально.

И да, и родной web-интерфейс, и ipmiview требуют жабу. Причем, возможно, какой-то определенной версии (жаба же, она вся такая из себя обратносовместимая, ага).

ipmi жаба не нужна. ipmi нужен ipmitool

А если на том сервере линкус, то и SOL можно использовать (из ipmitool).

жаба нужна только для ip-kvm.

А какие проблемы с жабой ? Распаковал ее в отдельный каталог, в пути ее добавил, да JAVA_HOME прописал.

Ну и потом в браузере для выполнения .jnl указать указать javaws

нажимаю в попапе ок обновить жабу и ничего
в хр скачивал пакеты с java.com но не запускаются
в вин7 скачал,установил но не помогло

После установки на вин7, что пишет когда лезеш в управлялку? Плюс, каким браузером, плюс посмотреть, и добавить в секьюрити явы адрес этого сервера.

просит опять обновить жабу
использую хром

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The Super Micro IPMI Console + Java are killing me

I don’t know if it’s Java or the Super Micro IPMI developers to blame, or both. One thing is for sure – I rarely need it, but almost each time I want to use the server-critical “Console Redirection” feature on our Super Micro servers, there is some problem with the Java applet. Thus I’m not able to access the remote console of the server quickly, which in turn gets me real headache.

Today, it’s the “Launch Console” button doing absolutely nothing on my Kubuntu desktop – no errors, no action after clicking it, no nothing. I (always) have a “backup option” – a Windows 7 virtual machine running on my desktop, as Java tends to work better for me on Windows (cross-platform, eh?). Same problem on the Windows too. As I’m a real paranoid about having a backup, I have a backup of the “backup option” – X over VNC, running on
some not-so-bleeding-edge Linux machines, in order to have a “stable” Java installation there. Though the Java failed on them today as well, as they are running Debian “lenny”, which seems to be having the latest Java version 1.6.20 too.

Well… sorry Java applets + Super Micro IPMI, you really disappoint me!

27/Mar/2012: Resolution: Use the IPMIView application which does not rely on web browsers. Tested with Java Version 6 Update 31 (build 1.6.0_31) on Windows 7. Note that IPMIView does not provide a KVM console for older versions of the Super Micro IPMI devices — the good news is that those devices work well within a web browser. 🙂

The (ugly) fix is to downgrade your Java to 1.6.19 (and disable automatic Java updates):
http://www.webhostingtalk.com/showthread.php?t=953055

Update #1: I downgraded to Java 1.6.19 on my Windows 7 by:

1. Uninstalling the Java 1.6.20 JRE update.
2. Installing the Java 1.6.19 JRE update which I downloaded from the “Archive: Java[tm] Technology Products Download” page.
3. Being able to get this working only with Chrome. Firefox and IE 8 failed to work.

Update #2: Linux doesn’t seem to be having any problems. Firefox 3.6.3 on Ubuntu and Gentoo with Sun Java 1.6.20 works fine.

Update #3: If you upgrade the IPMI firmware to version 2.02, the Windows problem is fixed.

Here is some debug info from the Debian “lenny” Iceweasel browser, the only one which issued an error:

Unable to launch ATEN Java iKVM Viewer.
An error occurred while launching/running the application.

Title: ATEN Java iKVM Viewer
Vendor: ATEN
Category: Download Error

Unable to load resource: (https://%IP%/iKVM.jar, 1.56.3.0×0)

Wrapped Exception: java.io.IOException: HTTP response 404.

At the same time, the Java test page works fine. The version on the Debian “lenny” “sun-java6-jre” package is “6-20-01lenny1” (Java JRE 1.6.20).

The same problem is re-produced on:

• Windows 7, running Java 1.6.20, under IE 8, Firefox 3.6.3 and Chrome 5.0.375.99.
• Kubuntu Lucid, running OpenJDK 6 build b18, under Firefox 3.6.3.

The Firmware Revision of the IPMI interface on the X8DTL motherboard is 01.29, dated 2010-01-06. It’s not the latest one, but surely not a very old one. After all, you can’t reboot your production servers for every IPMI firmware release…

Anyway, I try not to write articles with negative attitude, but this time I just couldn’t resist.
Java, Java, Java… 🙂

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Introduction

This guide details howto adjust your Java settings to allow remote connection to Supermicro IPMI remote console.

Identify what Java version you have installed.

You will first need to identify which version(s) of java you have installed on your computer. To do this you will have to look for a folder called Java that will either be located at C:\Program Files (x86)\Java or C:\Program Files\Java. This folder should contain a number of sub-folders listing the versions of java that are installed on your computer. In the screenshot below only one Java version installed but you may have multiple installations starting with jre or jdk.

Editing the Java Security File

1) For each installation folder you will have to edit its corresponding java.security file.

To do this first open the start menu, search for notepad then right click and select run as admin.

2) From notepad now select file then open and open the java.SECURITY file for the first java installation. If it’s a jre install the file location will look something like: C:\Program Files (x86)\Java\jre1.8.0_311\lib\security\java.SECURITY, otherwise if its a jdk install it may look like C:\Program Files (x86)\Java\jre1.8.0_311\conf\security\java.SECURITY

3) Find the line that starts with jdk.tls.disabledAlgorithms (This is best done with the find tool) and remove all entries on the line that contains “TLS”. After you’ve made the change it should look something like this, make surethat there is still a comma and then a space between the other entries on this line.

4) Save the file. If you get an error here it’s probably because you didn’t open notepad as admin.

5) Repeat steps 3 to 5 with each java install on your computer.

Editing the Java Security Settings

1) In the start menu search for “Configure Java” and open the Configure Java app

2) Select the Advanced tab on the right then scroll down to the bottom then ensure all versions of TLS are selected

Adding an exception for the website/IP within Java

1) In the start menu search for “Configure Java” and open the Configure Java app

2) Select the Security tab and then select Edit Site List…

3) You should now be able to type in your website/IP address. Make sure to include the full address, including the https:// protocol and select Add. It is advised to repeat the process with http:// as well.

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Super Micro IPMI – Problem Solved

The other day my vSphere server didn’t respond anymore so I headed into the Super Micro IPMI Remote Console for more details. Well as you can see below, the Remote Console Preview is way to small for troubleshooting.

To be able to use Console Redirection you need to install Java on your computer, no way…

Prior to this post I did some research and found out that people have tons of problems with Java, Security, Browsers, Amazon Assistent and more.

Let me remove all your miseries, please meet Turbo.

Turbo lets you run virtual containers, which means noting is actually install on your system. The best part is that Turbo always download the latest version, and if it should happen that a particular version of Java no longer works, you can even specify the version. Learn more in the post Getting Started with Turbo.

Simply head over to Turbo.net, download and install the Turbo client.

Open command prompt as an elevated Administrator and run the following command:

Activate Java and off you go.

Boom, there you have the Super Micro IPMI Remote Console.

Please note that I did try with Java Runtime without success, so Java SDK it is.

This is just another fantastic use case for Turbo. As a consultant Turbo is a must have tool for your toolbox. Imagine supporting your customers, just install the client and then run whatever you might need like TeamViewer, Putty, WinSCP, XenCenter etc etc. When the job ends simply uninstall the client.

Even better, if you’re a CTP, MVP or vExport you’ll receive a FREE Turbo Pro license. Just reach out to to one of these twitter handles @turbohq @Rorymon @turbokenji.

PS: Becase my Super Micro IPMI uses DHCP I leverage an awesome $5 iOS app to always find the correct IP-address of my IPMI.

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Supermicro java console connection failed – How we fix it?

The error occurs when we try to access the remote console from IKVM.

At Bobcares, we often get requests from our customers regarding console access failure as a part of our Server Management Services.

Today, let’s see how our Support Engineers resolve Supermicro java console connection failed.

Causes for Supermicro java console connection failed

When we log in to the management interface then try to access the remote console, the browser will download a .jnlp file. When trying to open the file the error occurs.

The common reasons for the error to occur are:

• Java application missing
• IP not present in Java Exception list
• Java not up-to-date
• IPMI firmware not up-to-date
• IKVM port not open in the firewall

The sample error looks like

Let’s discuss how our Support Engineers resolve this error for our customers.

How we fix Supermicro java console connection failed

Recently one of our customers contacted us to resolve java console connection failed error.

Add IP to the exception list

This error occurs because the current version of Java no longer allows self-signed applications to run by default. In order to allow the application to run, the URL of the IKVM device must be added to Java’s site exception list. We provide the below steps to our customers to fix this error.

1. On the local machine open java and select configuration Java.

2. Within the Java Control Panel go to Security.

4. Now add the IPMI IP address to the list.

5. The remote application will try to connect using SSL. Thus https must be added.

5. Then relaunch the remote console. Now an SSL warning message appears. Click the checkbox and click on continue.

Now will be able to access the console.

Update JAVA

One of the common reasons the error is that the JAVA application is not up-to-date. We recommend our customers to update the Java in the local machine and try to connect to the remote console.

IPMI firmware

If the IPMI firmware is not up-to-date. We can get the console connection failed error. So we update the firmware. Let’s discuss how our Support Engineers update the firmware.

1. We log in to the management interface. Then go to Maintenance and select Firmware update.

2. Now we enable update mode by clicking the Enter Update Mode.

3. Then we upload the ZIP file. Once the file is uploaded the screen will show the current and the newly added firmware.

4. After confirming the version we select start Upgrade.

5. Once the update is complete the management interface will reboot. It will return back to the login screen.

Now we login to the console and we can access the remote console.

If we still face an error even after the update we use the Factory Default option in the web interface to connect.

IKVM port

If the IKVM server port is not opened in the server. The console will fail to open.

We will be able to access the management interface since it uses port 80 and 443. We check the port from the web interface and open the port in the firewall.

After opening the port. Then we will be able to access the remote console.

[Need any assistance in fixing this error? – We’ll help you]

Conclusion

In short, we have discussed the causes of the “java console connection failed” error. Also, we saw how our Support Engineers resolve the error for our customers.

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