IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 1 May 2018 (all times are UTC)
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| 10:41 | <Roy> is this project still maintained?
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| 10:42 | i dont see much activity here
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| 10:44 | in fairness i have just had a look on launchpad and I see some activity there
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| 11:25 | <Hyperbyte> Roy, so your conclusion is........ :-)
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| 12:37 | <quinox> LTSP works just fine
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| 12:38 | there are still commits being done to keep it working
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| 13:52 | <nolaan> Hi I've a problem with a fresh installation : I have no login screen
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| 13:53 | And cannot find a clue on the internet
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| 13:54 | I've change the root pwd in chroot and I'm able to launch xfce from the command line. But I'd like to get something more normal like a login screen :)
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| 14:07 | <quinox> you can switch to a TTY and start X from there?
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| 14:08 | (stick around, someone will be able to help you)
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| 14:25 | <nolaan> quinox: yes I can i use startxfce4
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| 14:39 | <quinox> that's good news I suppose :)
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| 14:40 | <nolaan> Somehow I'm unable to figure out the boot sequence :/
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| 14:41 | Logs are lacking
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| 14:42 | <quinox> it should start LDM on boot
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| 14:42 | which allows you to login, choosing your desired window manager / desktop
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| 14:43 | (ldm = ltsp dm, not lightdm)
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| 14:47 | the scripts for this are in /usr/share/ltsp - it's all bash so you can open them and see what's going on
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| 14:49 | <nolaan> but who should be calling ldm?
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| 14:52 | when I try to launch it manually it segfaults
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| 14:53 | <quinox> :(
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| 14:54 | <quinox> Ubuntu LTS?
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| 14:55 | that's the "offically" supported distro
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| 14:57 | <nolaan> Ubuntu xenial 16.04
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| 14:57 | yes lts
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| 15:05 | <alkisg> nolaan: ldm expects some environment variables etc, you're not supposed to run it manually
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| 15:05 | How are you using ltsp, with ltsp-pnp (no chroot) or with ltsp-build-client?
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| 15:06 | <nolaan> alkisg: ltsp-build-client
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| 15:06 | <alkisg> Roy: ltsp has been undermaintained for the last couple of years due to lack of funding; hopefully that will change soon
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| 15:06 | nolaan: the start up scripts are supposed to launch /etc/X11/default-display-manager, which should contain ldm
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| 15:07 | What are you seeing on boot, vt1 with a login prompt?
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| 15:07 | <nolaan> yes
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| 15:07 | <alkisg> Can you try alt+ctrl+f7, to see if it's just a matter of not activated vt7?
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| 15:08 | <nolaan> I just saw an error at boot : create /etc/hostname denied (or stg like this)
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| 15:08 | <alkisg> Hmm, is your / writeable? Try touch /hello
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| 15:08 | (after the client boots)
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| 15:08 | <nolaan> sorry I see locale Cannot set lc_all to default...
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| 15:09 | and blinking screen (like when X is trying to start but fails)
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| 15:09 | <nolaan> I will try to login vt3
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| 15:09 | <alkisg> Failing X sounds like a probable cause
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| 15:09 | E.g. your driver might not support the default 16bit color depth
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| 15:10 | <nolaan> I've already looked into /var/log/Xorg.7.log and seems that X started ?!
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| 15:10 | <alkisg> ps aux | grep X
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| 15:11 | If you run that a couple of times, you'll see if the pid changes
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| 15:11 | If it does, it means it's crashing/restarting
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| 15:11 | <nolaan> X is not running tho
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| 15:11 | <alkisg> In which case, you'd upload Xorg.log like this: cat /var/log/Xorg.7.log.old | nc termbin.com 9999
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| 15:12 | Is that Xorg.7.log.old there?
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| 15:12 | <nolaan> yes
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| 15:12 | <alkisg> OK, run the command above to pastebin it
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| 15:13 | <nolaan> from the last boot one minute ago
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| 15:13 | <alkisg> LTSP clients don't save state across reboots
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| 15:13 | <nolaan> but not the last modified date is not changing
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| 15:13 | <alkisg> So it can't be from the last boot
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| 15:13 | <nolaan> or whatever boot :/
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| 15:13 | I'm uploading it
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| 15:13 | <alkisg> OK, pastebin it
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| 15:15 | <nolaan> Ok apparently I've no network connection
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| 15:15 | <alkisg> Does ping 8.8.8.8 work?
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| 15:16 | And, does ping server work?
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| 15:16 | If you can only access the server, scp it there first
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| 15:17 | <nolaan> I can `ping server` because it's in /etc/hosts
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| 15:17 | <alkisg> Can you ping 8.8.8.8?
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| 15:17 | <nolaan> looks like I have troubles with name resolution
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| 15:17 | <alkisg> IPs don't need to be in hosts
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| 15:17 | <nolaan> can ping 8.8.8.8 too
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| 15:18 | I've been strugling with name resolutions for 2.5 weeks now
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| 15:18 | so I decided to do a fresh install
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| 15:18 | <alkisg> You can set DNS_SERVER=8.8.8.8 in lts.conf
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| 15:18 | <nolaan> ok I'll try that
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| 15:18 | <alkisg> Btw, if you need professional help, I'm available for hire (I'm an ltsp developer)
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| 15:18 | Try also setting X_SMART_COLOR_DEPTH=False
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| 15:19 | cat /var/log/Xorg.7.log.old | nc 5.39.93.71 9999
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| 15:19 | This puts it to termbin even without DNS working
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| 15:21 | <nolaan> alkisg: very good as soon as I'm finish with this prototype I'll hire you to check the configuration
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| 15:21 | I've uploaded the file
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| 15:21 | <alkisg> You need to tell us the link
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| 15:22 | Btw, for recent installations, ltsp-pnp is recommended, not ltsp-build-client; unless you need additional flexibility
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| 15:22 | <nolaan> for now yes because I'll need to add programs in the chroot
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| 15:41 | <alkisg> (06:21:51 μμ) alkisg: You need to tell us the link
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| 16:46 | <nolaan> alkisg: http://termbin.com/bz86
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| 16:48 | <alkisg> nolaan: nfs?
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| 16:49 | NFS isn't very supported... although, if it runs for you... well...
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| 16:49 | <nolaan> yes
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| 16:49 | <alkisg> The default for Ubuntu has been NBD for years, and Debian switched to NBD a couple of years ago because of issues with NFS
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| 16:49 | <nolaan> but nbd gives me /dev/nbd0 not found
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| 16:49 | <alkisg> You just need to configure it properly
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| 16:50 | Is that a VM client
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| 16:50 | ?
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| 16:50 | <nolaan> yes
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| 16:50 | <alkisg> Did you try X_SMART_COLOR_DEPTH=False in lts.conf?
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| 16:51 | <nolaan> yes
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| 16:51 | no chance
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| 16:51 | <alkisg> And it still blinked on xorg?
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| 16:51 | What is the output of this command on the client? getltscfg -a
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| 16:51 | <nolaan> even name resolution is still broken
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| 16:52 | do I need to ltsp-update-client after
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| 16:52 | I thaught there's no need since I run nfs
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| 16:52 | <alkisg> Where is your lts.conf? In tftp?
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| 16:52 | <nolaan> no
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| 16:52 | on the root nft
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| 16:52 | nfs
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| 16:52 | <alkisg> lts.conf goes in /var/lib/tftpboot/ltsp/<arch>/lts.conf
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| 16:52 | Whether nfs or nbd
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| 16:53 | And it's pulled via tftp, so you don't need to update the image or anything
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| 16:53 | <nolaan> :-| mkay
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| 16:53 | <alkisg> You can create one with:
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| 16:53 | sudo ltsp-config lts.conf
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| 16:53 | Delete the one you have in the chroot
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| 16:55 | <nolaan> okay
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| 16:55 | <alkisg> So: [Default]<enter>DNS_SERVER="8.8.8.8"<enter>X_SMART_COLOR_DEPTH=False
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| 16:56 | ...reboot client, and check the output of getltscfg -a, to see if those options actually reach the client
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| 16:56 | <nolaan> okay
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| 16:57 | :/ X still blinking
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| 16:57 | I will run the command
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| 16:58 | Yes all the conf vars are there
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| 16:58 | <alkisg> nolaan: I wonder if it's something specific to your setup or with KDE
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| 16:59 | If you install epoptes, I'd be able to quickly examine a client
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| 16:59 | !epoptes
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| 16:59 | <ltsp> epoptes: Epoptes is a computer lab administration and monitoring tool. It works on Ubuntu and Debian based labs with LTSP or non-LTSP servers, thin and fat clients, standalone workstations, NX clients etc. More info: http://www.epoptes.org
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| 17:02 | <nolaan> alkisg: why kde?
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| 17:02 | <alkisg> I thought you said you ran kde, was I mistaken?
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| 17:03 | <nolaan> xfce
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| 17:03 | <alkisg> ok
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| 17:03 | Better :)
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| 17:03 | Btw most ltsp devs recommend mate
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| 17:03 | <nolaan> But now I'm installing a new chroot with ubuntu-desktop
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| 17:03 | <alkisg> But xfce should be good too
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| 17:03 | <nolaan> ok
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| 17:05 | <alkisg> !root
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| 17:05 | <ltsp> I do not know about 'root', but I do know about these similar topics: 'ROOT_PASSWORD_HASH'
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| 17:05 | <alkisg> !ROOT_PASSWORD_HASH
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| 17:05 | <ltsp> ROOT_PASSWORD_HASH: (#1) to be able to login as root in vt1, with password "qwer1234", put this in lts.conf: INIT_COMMAND_01="sed 's!^root:[^:]*:!root:$6$p2LdWE6j$PDd1TUzGvvIkj9SE8wbw1gA/MD66tHHlStqi1.qyv860oK47UnKcafSKqGp7cbgZUPlgyPv6giCVyCSCdJt1b0:!' -i /etc/shadow", or (#2) do not forget to escape the $ with \
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| 17:06 | <nolaan> I'm already root
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| 17:06 | <alkisg> That's not for you, I'm testing something...
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| 17:12 | <alkisg> !ROOT_PASSWORD_HASH
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| 17:12 | <ltsp> ROOT_PASSWORD_HASH: To be able to login as root in vt1, with password "qwer1234", put this in lts.conf: INIT_COMMAND_ROOT_HASH="sed 's!^root:[^:]*:!root:\$6\$p2LdWE6j\$PDd1TUzGvvIkj9SE8wbw1gA/MD66tHHlStqi1.qyv860oK47UnKcafSKqGp7cbgZUPlgyPv6giCVyCSCdJt1b0:!' -i /etc/shadow"
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| 17:16 | <alkisg> vagrantc: heya! Would you say that the debian "defaults" for ltsp are now dnsmasq without dns, and nbd?
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| 17:16 | I.e. if I were to write an installation how-to, would those be the default/recommended setup? And, does apt install ltsp-server-standalone install just dnsmasq without isc-dhcp etc etc?
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| 17:19 | <vagrantc> alkisg: yes ... i think i i cahnged the dependency chains to prefer dnsmasq, and it doesn't even have dependencies for nfs anymore
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| 17:19 | might be worth double-checking
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| 17:19 | <alkisg> Very nice
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| 17:21 | In 18.04 (and possibly stretch/buster?), systemd-resolved is used, which listens in 127.0.0.53:53
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| 17:21 | This makes it a bit hard to use dnsmasq for dns, but the good thing is that it's not really necessary anymore, as systemd does do dns caching
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| 17:23 | 10-resolv-conf is buggy now, but I prepared patches for it. Unfortunately, when IPAPPEND 3 is used, an additional ipconfig -n eth0 is required to fetch the correct DNS servers
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| 17:23 | So, dnsmasq for (proxy)dhcp+tftp, without dns, is an excellent default
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| 17:24 | <vagrantc> and if it isn't the default yet, may as well make it the default :)
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