IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 1 September 2016 (all times are UTC)
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| 01:00 | <bennabiy_> alkisg, Can you direct me in how to best get a kernel etc on the sdcard for this nexbox? I am booted into a live session on it
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| 01:07 | <vagrantc> !sda
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| 01:07 | <ltsp> I do not know about 'sda', but I do know about these similar topics: 'sis', 's'
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| 01:07 | <vagrantc> !disk
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| 01:07 | <ltsp> I do not know about 'disk', but I do know about these similar topics: 'fat-internal-disks', 'local-disks'
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| 01:07 | <vagrantc> !local-disks
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| 01:07 | <ltsp> local-disks: On fat clients, only sudoers have access to local disks. One way to give access to non sudoers, is to put in lts.conf: RCFILE_01="mkdir -p /media/local_disk && mount /dev/sda1 /media/local_disk"
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| 01:07 | <vagrantc> !boot
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| 01:07 | <ltsp> I do not know about 'boot', but I do know about these similar topics: 'bootfloppy', 'panic-reboot', 'BOOTPROMPT_OPTS', 'local-boot'
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| 01:07 | <vagrantc> !local-boot
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| 01:07 | <ltsp> local-boot: If you want LTSP fat clients on a low-speed network, you can put i386.img on e.g. C:\Boot\LTSP\i386.img and use this command line in pxelinux.cfg: APPEND ro initrd=ltsp/i386/initrd.img init=/sbin/init-ltsp root=/dev/sda1 rootflags=ro loop=/Boot/LTSP/i386.img; IPAPPEND 3
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| 01:08 | <vagrantc> bennabiy: maybe !local-boot ?
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| 01:11 | oh, EFI. gah.
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| 01:24 | <bennabiy_> vagrantc, efi, yes...
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| 01:25 | <vagrantc> i guess i should get a couple EFI systems someday so i can actually troubleshoot this sort of thing
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| 04:20 | <alkisg> (04:00:45 πμ) bennabiy_: alkisg, Can you direct me in how to best get a kernel etc on the sdcard for this nexbox? I am booted into a live session on it
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| 04:21 | ==> bennabiy_, I don't have much time to direct you on how to put the kernel+initrd only and install grub, so one way is to run a full ubuntu installation on it
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| 10:34 | <slog1235> hey all
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| 10:34 | I am in
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| 10:34 | ready to test some more uefi pxe'ing :)
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| 14:06 | <bennabiy_> alkisg, fair enough... I know how to install, but was not sure how to covert to ltsp fat client from there. Would it be best to just install and then clone over the fat client image to it?
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| 14:07 | alkisg, or would I do best to do a full install, and then install ltsp-client?
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| 14:17 | alkisg, would this be something along the lines of what I need for UEFI? http://askubuntu.com/questions/510856/how-to-boot-load-the-kernel-using-efi-stub-efistub-loader
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| 14:17 | <slog1235> hm
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| 14:19 | well i am complete stuck now
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| 14:19 | http://pastebin.com/yg7jeETh
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| 14:20 | it wont even give the efi client a ip and start the process for some reason
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| 14:20 | <cyberorg> bennabiy_, adapt this as per your setup https://github.com/openSUSE/kiwi/wiki/Setup-PXE-boot-with-EFI-Using-GRUB2
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| 14:22 | <bennabiy_> cyberorg, thank you... it is nice to see you around here again
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| 14:22 | been a while
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| 14:22 | cyberorg, I have tried that already, and it did not work
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| 14:22 | but that is not saying I did it right either...
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| 14:23 | <cyberorg> bennabiy_, both grub and ipxe instructions are there
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| 14:44 | <slog1235> hey vagrantc
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| 14:45 | * vagrantc waves | |
| 14:45 | <slog1235> we just need to work out why the efi puter wont get a ip from DHCP presently.. then I am sure it will go
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| 14:46 | dnsmasq-dhcp[12269]: PXE(eth0) c0:3f:d5:a5:70:bf proxy
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| 14:47 | but normal X86/pxe gets a ip fine
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| 14:48 | I was giving it out yesterday but I dont know what I changed
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| 14:48 | it&
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| 14:54 | <bennabiy_> slog1235, I ran into the same issue with isc-dhcp not giving the EFI system an IP
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| 14:56 | <slog1235> i am going to try a dhcp-host
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| 14:58 | <bennabiy_> vagrantc, to make use of local hard drive as image cache for fat client, what would be the best format for it (figuring it is eMMC)
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| 14:58 | I know the EFI partition needs to be fat32
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| 14:59 | but for the cache, should I use ext2/3/4?
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| 15:27 | <vagrantc> bennabiy_: why not just dump the whole squashfs image?
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| 15:39 | <bennabiy_> best way to do that?
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| 15:50 | <vagrantc> dd if=/dev/nbd0 of=/dev/sda2 bs=10240k ??
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| 15:51 | or dd if=/opt/ltsp/images/amd64.img of=/dev/sdb2 ...
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| 15:59 | <bennabiy_> but if I cannot get it to boot from the network yet, how do I get it to read nbd?
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| 16:00 | how do I set up an nbd client?
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| 16:00 | so that I can read the image?
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| 16:25 | <bennabiy> vagrantc: to get the chroot to be labeled differently when using ltsp-build-client, what is the proper syntax? I want an amd64 chroot, named fat1
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| 16:26 | ltsp-build-client --arch amd64 --chroot fat1 ?
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| 16:26 | <vagrantc> i *think* that's right ... try it and find out!
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| 16:26 | <bennabiy> how do I make use of the local package cache?
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| 16:28 | <vagrantc> ltsp-build-client --extra-help
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| 16:28 | there should be a bunch of options there regarding package caching
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| 16:29 | <bennabiy> thank you
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| 16:29 | you would think I would remember this stuff
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| 16:29 | <vagrantc> i think --help isn't very helpful ... we should probably just kill it
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| 16:29 | e.g. --help and --extra-help be the same
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| 16:30 | <bennabiy> make --extra-help the default yes
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| 16:30 | <vagrantc> i *think* recent versions of ltsp-build-client generate the manpage from the --*help options, too
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| 16:30 | bennabiy: if it's the default, there's no reason to have a --not-very-much-help option
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| 16:30 | --less-helpfull
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| 16:31 | <bennabiy> --add-this-option-for-not-too-much-help
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| 16:31 | that could be the erlang help
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| 16:31 | <vagrantc> overall ... i think ltsp-build-client is overengineed and could probably be replaced or simplified
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| 16:32 | it's too complicated for what it is
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| 16:32 | <bennabiy> Is the complication from multi-arch / distro support
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| 16:32 | <vagrantc> especially since most stuff happens at boot time ...
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| 16:32 | <bennabiy> ?
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| 16:32 | <vagrantc> it's from too many commandline options
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| 16:32 | all it should do is create a chroot and install some packages
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| 16:33 | <bennabiy> and read a file?
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| 16:33 | <vagrantc> what file should it read?
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| 16:33 | <bennabiy> a configuration file
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| 16:33 | <vagrantc> it shouldn't have any configuration
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| 16:33 | <bennabiy> to set defaults for what packages to install etc
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| 16:34 | <vagrantc> maybe something really simple ... but right now, it's a mess
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| 16:34 | <bennabiy> or are you thinking something else should fill in and do the second part?
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| 16:34 | <vagrantc> well, there are countless "build a chroot and install some packages" tools out there.
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| 16:34 | <bennabiy> true
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| 16:34 | <vagrantc> why do we need to reimplement all that? there's nothing we do anymore that's really very ltsp specifi
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| 16:35 | c
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| 16:35 | we used to do more in-chroot customization, but moved most of that to boot time
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| 16:35 | <alkisg> (05:06:33 μμ) bennabiy_: alkisg, fair enough... I know how to install, but was not sure how to covert to ltsp fat client from there. Would it be best to just install and then clone over the fat client image to it?
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| 16:35 | <bennabiy> hmm
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| 16:35 | <alkisg> ==> you only need the boot loader and the efi setup from the ubuntu installation
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| 16:36 | This will save you all those "what partitions do I need?" questions
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| 16:36 | When that's done, you just copy vmlinuz and initrd.img from the ltsp server, and add a line to grub.cfg
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| 16:36 | You don't need to install ltsp-client or copy the squashfs image or anything at all
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| 16:36 | <bennabiy> will do in a couple hours... need to get lunch and then teach a class
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| 16:37 | alkisg: thank you
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| 16:37 | <alkisg> You're welcome, have fun teaching :)
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| 16:37 | <bennabiy> thank you
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| 16:37 | <alkisg> (school year started today here)
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| 16:37 | <bennabiy> we do year round
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| 16:37 | homeschool
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| 16:37 | <alkisg> Ah
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| 16:38 | <bennabiy> although I teach my friends children, as mine are not quite old enough yet
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| 16:38 | see you in a while
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| 16:38 | * bennabiy waves | |
| 16:38 | <alkisg> bb
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| 18:13 | <bennabiy> back
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| 18:14 | alkisg: put the vmlinuz etc in the efi partition?
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| 18:27 | <bennabiy> vagrantc: On my fat client, one of my external hard drives is showing up, and the other isnt
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| 18:28 | well, one is a usb stick, the other a hard drive
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| 18:34 | <alkisg> bennabiy: efi boots grub.efi, and grub can then load vmlinuz wherever you put it. Usually it goes in /boot, like in all existing ubuntu installations.
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| 18:36 | <bennabiy> so I installed ubuntu-mate to the nexbox, can I just use the kernel and such from that install?
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| 18:36 | <alkisg> No, the initramfs doesn't have the correct code
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| 18:36 | <bennabiy> ok
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| 18:36 | <alkisg> So put vmlinuz and initrd.img from the ltsp server, beside the /boot/vmlinuz-xxx of your ubuntu-mate installation
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| 18:37 | <bennabiy> one minute, switching to that computer
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| 19:07 | <bennabiy_> ok, booted into the nexbox, copying the vmlinuz and initrd
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| 19:37 | <vagrantc> bennabiy: alternately... install ltsp-pnp on the box, and transfer the image over to the server...
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| 19:41 | <bennabiy_> the issue is how to get it to grab the info from the server as it only accepts uefi
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| 19:41 | so it is not getting the dhcp request to the dhcp server
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| 19:45 | <vagrantc> bennabiy: so, you have installed ubuntu-mate on the nextbox, use that to generate the LTSP image...
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| 19:45 | <bennabiy_> ok, vmlinuz and initrd.img copied to /boot
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| 19:45 | <vagrantc> or just copy the other files around. whatever :)
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| 19:45 | there's no shortage of options
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| 19:46 | <bennabiy_> but how do I get it to look to the main ltsp server for users etc
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| 19:47 | so install ltsp-server to the nexbox?
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| 19:47 | or ltsp-client
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| 19:51 | what was the line in grub which needs to be updated?
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| 19:53 | <vagrantc> actually, just installing ltsp-client should work ... as long as the same kernel version is on the server
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| 19:53 | bennabiy: the initrd makes it's own DHCP request
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| 19:54 | bennabiy: so load the kernel+initrd from grub, configure teh boot arguments the same as if you were booting from pxelinux.cfg/default
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| 19:54 | e.g. init=/sbin/init-ltsp
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| 19:54 | should be sufficient
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| 19:54 | unless your DHCP server is broken
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| 19:58 | <bennabiy_> ok
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| 19:58 | so install ltsp-client and make it match the server
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| 20:06 | <bennabiy_> vagrantc, so I installed ltsp-client, now where do I put the grub info to match pxelinux.cfg/default?
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| 20:07 | I see the autogenerated grub.cfg, and can edit the files which made it, (/etc/grub.d/) but do not see the specifics of the boot menu there
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| 20:11 | rebooting
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| 20:12 | <vagrantc> bah
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| 20:12 | maybe /etc/grub.d/10_linux ... or create a comprable /etc/grub.d/09_ltsp
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| 20:25 | <bennabiy> I tried manually editing it while booted, but it just busyboxes
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| 20:25 | I will have to hit this again later
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| 20:25 | time to go spend some time with my girls
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| 20:26 | <bennabiy> one thing I wish general PC manufacturers would implement is apples target disk mode
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| 20:26 | to mount a different computers drives as externals
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| 20:27 | would be very handy in these instances
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