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It would make this sort of work a ton easier if I could tell both Java and the browser that all IPs in the 10.x.y.0/24 range were trusted and to skip key verification rather than doing each individually.Īnyway, I needed a way to load a DOS image into the machine. All this stuff is great and necessary on the open internet, but I'm connecting up a trusted VPN link directly into our management network, on private-range IPs. It's like jumping back from 2016 to 1996 again.īrowsers with their require-CA-signed-SSL certs don't help either. Of course you're still interacting with a framebuffer to a VGA console which jumps around to different sizes, moving around the screen, sometimes failing to resize correctly and showing a tiny corner of the remote screen with scrollbars. If you're super lucky, keystrokes are correctly translated and you can actually interact with the console. It doesn't support wildcards, which means every machine you administer needs a separate entry in the file.Įven then you click through screens of warnings until the applet runs. You have to run a very obviously named tool called ControlPanel (caps and all) on Linux to add the IP address of the machine to a list that's allowed to run in a lower security zone. Modern Java is a horror show of save-you-from-yourself security anyway. Almost all of them have self-signed Java applets that may or may not even work on modern Java. There's a special place in hell for the designers of remote management tooling. Only problem, I'm in Australia and the servers are in New York.
American megatrends bios update smbios upgrade#
OK, so I can create a FreeDOS Boot disk, run this command, upgrade the BIOS. $ unzip -l X9DRD75_116.zipĪFUDOSU.EXE %1 /P /B /N /K /R /FDT /MER /OPR
American megatrends bios update smbios zip file#
zip file containing a DOS flash utility and a BIOS ROM, along with a batch script that renames the flash utility before use. Click through a massive page of legalese EULA and you get a. In no event shall Supermicro be liable for direct, indirect, special, incidental, or consequential damages arising from a BIOS/firmware update. Flashing the wrong BIOS/firmware can cause irreparable damage to the system.
American megatrends bios update smbios download#
Please do not download / upgrade the BIOS/Firmware UNLESS your system has a BIOS/firmware-related issue. The first thing you see on looking for upgraded BIOS firmware is a scary warning. The internet made it pretty clear that it would not be fun to make this work. So we entered the world of pain that is upgrading BIOS firmware. The two oldest machines were running BIOS 2.0, and to support E5-26xx v2 CPUs, we needed at least 3.0. It was a success, so we went ahead and ordered the remaining 10. We started by purchasing two CPUs and upgrading a single machine to see how it went. So we researched CPU upgrade options, and settled on the E5-2630 v2 - a slightly less powerful CPU than the v3 with only 6 cores (so 24 threads total), but still a good improvement and compatible with the older X9DRD-7LN4F motherboards. Compared to our newer hosts with E5-2630 v3 CPUs having 8 cores and hyperthreading for 32 threads, the difference in performance was striking. These CPUs only have 4 cores each and no hyperthreading, giving a total 8 threads of execution. We had purchased 6 machines with E5-2609 CPUs. IO is still vitally important, but the increasing CPU usage meant that for the first time some of our machines had insufficient CPU to saturate their IO capacity. Unbalanced machinesįor years the limiting factor on our servers has been IO performance. Optimising this is a goal for another day. In Cyrus this is quite expensive, and we have seen processes running for hundreds of seconds processing searches for a couple of hundred messages at once. Instead of checking for FolderName/UIDVALIDITY/UID which is very cheap, it does a search by Message-ID. Meaning that the CPUs do more encryption workĪs for clients - we recently discovered that Apple's clients use messages to create synthetic events in their calendar, and then poll the server to make sure that the messages still exist. We've switched to using LUKS for SSDs as well as the spool and search partitions,
Creeping CPU loadĪs we add new features to our service, the profile of server usage changes. This is a behind the scenes look at the ongoing hardware refreshing that we periodically do to keep our servers running well. For once we're not writing about anything user visible at all.