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[22:20] * mercutio wonders why he touches old hardware; another computer with grub issues [22:20] this time i just get a cursor in the top left and no information :) [22:20] grub2? [22:20] yip [22:20] have you seen it before? [22:21] nope [22:22] but good luck getting grub2 to do anything useful [22:22] weirdly i found the fastest sata drives i've ever seen in an old server [22:22] I've spent hours learning to configure it to change the damn default kernel [22:22] oh that's quite easy [22:22] if you know how tell me [22:22] was about to cut and paste [22:22] but hit the tab up top [22:22] hangon [22:23] #GRUB_DEFAULT="Arch Linux, with Linux 3.19.0blink" [22:23] you do something like that [22:23] with just the name [22:23] where? it's got like 20 config files now [22:23] in /etc/default/grub [22:23] then you update your grub [22:24] how? [22:25] in arch it's grub-mkconfig -o /boot/grub/grub.cfg [22:25] in ubuntu it's update-grub [22:26] i suspect grub-mkconfig -o . .. etc will work on both [22:26] and it seems to be grub2-mkconfig on rhel [22:27] looks like i have to move my cables around [22:27] the bios doesn't like booting from 3rd disk [22:27] heh [22:27] yeh it can vary a bit which is why i didn't try to say how :) [22:28] yeah and the only docs are in random places on google unfortunately [22:28] heh [22:28] make install in the kernel sources knows how to modify the config [22:28] yeah i'm not a huge fan but it tends to work ok when it works. [22:28] (yes I work on the kernel but don't know how to set the default) [22:28] ahh i just copy mine to right place and do update-grub / grub-mkconfig [22:29] yeah it took me a little digging [22:29] it actually changed :/ [22:29] ubuntu used to have this annoying default of using savedefault and it would always wait for a key press [22:29] because it couldn't update the save thing. [22:30] otherwise lots of things like to default to newest kernel [22:30] which if you're fiddling with kernel stuff is annoying :) [22:31] I think it tries to remember what you selected at the last boot prompt [22:31] yeh that used to be the case [22:31] rhel is perpetually old [22:31] think people generally moved away from that [22:31] arch has #GRUB_SAVEDEFAULT="true" [22:31] but i think it defaults to false. [22:31] oh it may still save [22:31] but that means I have to walk down the hall to the servers and hook everything up to toggle it [22:32] you have to set that GRUB_DEFAULT to the saved entry if you want that think. [22:32] yeah [22:32] have you got AMT? [22:32] I don't have a savedefault line [22:32] we have something based on xcat [22:32] it doesn't work very well [22:33] AMT let's you do serial console on cheap hardware :) [22:33] like desktops [22:33] so uhh in theory you can have grub output to serial [22:33] and you can just access that over network [22:34] in practice grub has a bug :/ [22:34] this thing stops and says waiting for ISOL or something 75% of the time you use it [22:34] oh [22:34] it's a proper server? [22:34] oh yeah [22:34] desktops tend to boot quicker [22:34] if you're playing with kernel stuff [22:34] like my hp 6300 sff boots fast. [22:34] oh that's another source of unending annoyance [22:34] yes :) [22:35] I hate dell's BIOS [22:35] the damn thing stops and waits for a keypress sometimes [22:35] hahaha [22:35] i've been thinking about getting another hp 6300 [22:35] we've got a monitor in the rack but it's just a little too short [22:35] they're a lot more stress free for tesing stuff hah [22:35] the cable I mean [22:35] is it server? [22:36] all dell servers have ipmi support for serial redirection and shit at least [22:36] so they tell me [22:36] sometimes I can do this work in a VM [22:36] That's what she said!! [22:36] yeh that'd be easier [22:37] you coudl use vt-d? [22:37] if you need access to pci-e card [22:37] but you need to test with real hw interrupt timings and such [22:37] nope.. fs driver [22:37] ahh [22:37] cool [22:37] difficult concurrency bugs... [22:38] and linus hasn't even yelled at us once