| Jemt | Hello :-) | 15:26 |
|---|---|---|
| Jemt | Can someone tell me how the selected language is transfered from isolinux/gfxboot to Ubuntu? I would like to be able to boot Ubuntu from a USB stick using the Live CD. This already works, but the language selection is not transfered to the USB stick. So I have to change it before I log in instead. | 15:27 |
| cjwatson | it's passed as debian-installer/language=en (etc.) | 15:36 |
| cjwatson | or locale=pt_BR (etc.) if the selected locale code contains an underscore (only happens for Chinese and Portuguese) | 15:36 |
| Jemt | Where do I specify this? Not as kernel params, I suppose ? | 15:37 |
| cjwatson | yes, as a kernel parameter | 15:37 |
| Jemt | I see. I'll give it a try. Reporting back in a minute :) | 15:38 |
| Jemt | cjwatson: What puzzles me, is that the boot menu on the LIve CD does not display any of your suggested parameters. Also, I would need to be able to do something like this: debian-installer/language=$(selected-language-from-boot-menu) | 15:40 |
| Jemt | So I don't think I can use any of your suggestions, unless I want to define multiple boot entries for the USB stick, one per language. This would be an odd behaviour, since you would already have selected a language through the F2 Language menu which pops up automatically | 15:41 |
| cjwatson | I know it doesn't, but nevertheless it's passed under the hood | 15:41 |
| cjwatson | it ought to be possible to construct a system in GRUB 2 to append a variable to the command line | 15:42 |
| Jemt | Hm, I'm a bit surprised that the language doesn't get passed to my USB stick "under the hood" then. My boot entry is not that different from the entry booting the CD. I supposed if this was implemented properly, I would also be able to pass the language to the USB stick somehow. | 15:44 |
| Jemt | Actually the only difference is the root=DEVICE parameter | 15:45 |
| Jemt | But perhaps the language is simply not transfered if the parameter is detected | 15:45 |
| cjwatson | it's done by gfxboot-theme-ubuntu - that doesn't support GRUB | 15:47 |
| Jemt | I'm no expert in this area, but as far as I know, GRUB is never in play. I boot the Live CD. Using Isolinux I boot the kernel and point it to the USB stick's root partition. GRUB is never needed | 15:49 |
| cjwatson | oh, I thought you said you were using GRUB, sorry | 15:49 |
| Jemt | Nope :) | 15:49 |
| Jemt | No problem | 15:49 |
| cjwatson | the language parameter is interpreted by casper - it only works on live CDs | 15:50 |
| cjwatson | it won't work on a hard disk install | 15:50 |
| cjwatson | or a USB stick install that isn't a live USB stick | 15:50 |
| Jemt | I see. Too bad - I really liked that I could change the language using the initial boot menu :) | 15:50 |
| Jemt | I only support two languages on the USB stick, so I suppose I'll try your suggestion, and simply create two boot entries - one for each language | 15:51 |
| JanC | you could use that parameter in a boot script too I guess... | 15:52 |
| Jemt | I could ? | 15:52 |
| Jemt | Do you know what part of Casper is handling the language ? Perhaps I can port it to an UpStart job | 15:52 |
| JanC | kernel parameters are in /proc/cmdline | 15:53 |
| Jemt | Nifty, checking it out | 15:53 |
| Jemt | Sweet, it is. Fantastic | 15:54 |
| cjwatson | scripts/casper-bottom/14locales | 15:56 |
| Jemt | Would it be sufficient to set the locale to the selected language ? | 15:56 |
| Jemt | Thanks cjwatson. Checking the script | 15:56 |
| cjwatson | I think you might have to edit /etc/default/locale | 15:57 |
| Jemt | In Initrd I suppose | 15:57 |
| Jemt | okay | 15:57 |
| Jemt | I could properly just copy most of the script and have it run on boot :) | 16:00 |
| Jemt | JanC: Unfortunately the language argument is not available in /proc/cmdline when booting a real Ubuntu installation using the boot menu on the Live CD | 16:38 |
| Jemt | I just realized that now | 16:38 |
| Jemt | But it looks just fine on the Live CD - exactly what I was hoping to find on the real installation:file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- debian-installer/language=da console-setup/layoutcode?=dk | 16:41 |
| Jemt | I wonder what's responsible for populating /proc/cmdline | 16:43 |
| JanC | the kernel, I guess? | 16:44 |
| JanC | based on what it gets from the bootloader | 16:44 |
| Jemt | So gfxboot only provides the language details to the kernel, if the boot entry contains this: boot=casper. Obviously I replaced that with root=/device, to have it boot Ubuntu on the USB stick | 16:45 |
| Jemt | Does that sound right ? Here is my isolinux configuration (boot entries): http://pastebin.com/63av29Va | 16:47 |
| Jemt | "label live" works fine - language from F2 Language List is used. "label liveusbboot" does not | 16:48 |
| cjwatson | you probably just aren't using gfxboot | 16:50 |
| cjwatson | it's not an intrinsic part of isolinux ... | 16:50 |
| cjwatson | I wouldn't expect gfxboot-theme-ubuntu to be used when booting an Ubuntu system ordinarily | 16:51 |
| cjwatson | oh, but you have an F2 menu, ok, in that case you are using gfxboot | 16:51 |
| cjwatson | it certainly does *not* check for the presence of boot=casper | 16:52 |
| cjwatson | anyway, have to go out | 16:52 |
| Jemt | cjwatson: Yes, it is isolinux with gfxboot - it's the ordinary Live CD which I have simply remastered. But thank you for checking whether boot=Casper was required | 16:54 |
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