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410 bytes added ,  08:32, 27 June 2018
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== Management ==
 
== Management ==
The two servers have awful SMT management cards from Supermicro:
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The two servers have SMT management cards from Supermicro with a seriously awful web interface:
 
* [http://justice-mng.sugarlabs.org/ justice-mng.sugarlabs.org]
 
* [http://justice-mng.sugarlabs.org/ justice-mng.sugarlabs.org]
 
* [http://freedom-mng.sugarlabs.org/ freedom-mng.sugarlas.org]
 
* [http://freedom-mng.sugarlabs.org/ freedom-mng.sugarlas.org]
Full KVM support requires the Java browser plugin (yuck!), so we mostly use them for the big reset button in case a server hangs (it happened about once per year).
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Of course you need a separate account. Full KVM support requires the Java browser plugin (yuck!), so we mostly use them for the big reset button in case a server hangs (it happened about once per year).
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Both cards are running firmware version 3.16, which patched a huge backdoor that would trivially reveal all passwords in plaintext. No kidding.  There's a [https://www.supermicro.com/support/resources/bios_ipmi.php?vendor=2&keywords=H8S newer firmware version], but attempts to update to it failed with both Chrome and Firefox. I suspect a bug in their http POST implementation :-(
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'''Use a long, non guessable password, but not one you're using elsewhere. This firmware used to have a backdoor which would trivially reveal all passwords in plaintext via telnet! Also, login uses unencrypted http.'''
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It's also possible to talk to the management card from Linux using ipmitool.
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Both cards are running firmware version 3.16, which patched a huge backdoor that would trivially reveal all passwords in plaintext. No kidding.  There's a [https://www.supermicro.com/support/resources/bios_ipmi.php?vendor=2&keywords=H8S newer firmware version], but attempts to update to it failed with both Chrome and Firefox (error: "413 - Request Entity Too Large"). I suspect a bug in their http POST implementation :-(
    
== Software ==
 
== Software ==

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