IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 19 December 2018 (all times are UTC)
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| 15:00 | <josefig> good morning, if I want to my ltsp clients uses the mysql server how can I do that?
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| 15:02 | <mwalters> not sure exactly what you're asking, but you could install the mysql client on the ltsp clients and connect to a remote mysql server
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| 15:02 | <josefig> yes, the mysql server is in the server and i want the ltsp clients to use the mysql client
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| 15:03 | <mwalters> fat clients or thin clients?
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| 15:03 | <josefig> in fact is installed already the server but the ltsp client cannot connect when I try it says cannot connect
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| 15:03 | fat clients
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| 15:04 | <mwalters> have you configured the mysql server to accept remote connections?
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| 15:04 | <josefig> yes
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| 15:04 | <mwalters> Not sure about mysql, but I know out of the box postgresql won't accept remote connections
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| 15:05 | additionally, the authentication needs to be configured for remote auth as well, in regard to postgres
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| 15:05 | if the clients can succesfully run the client, and the mysql server is running (and connectable locally), it's probably a mysql configuration issue, not ltsp specific
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| 15:07 | <josefig> mwalters, one question, if I do a change in the mysql config should I create the image again ?
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| 15:07 | <mwalters> You should only need the mysql client in the image
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| 15:08 | you'll probably need to restart the mysql server each time you change the config, though
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| 15:08 | service*
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| 15:09 | <josefig> worked, my bad
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| 15:09 | <mwalters> `service mysql restart` or something similar
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| 15:09 | :D
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| 15:09 | <josefig> the IP was the from the server
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| 15:09 | :)
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| 15:09 | not localhost :X
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| 15:09 | <mwalters> it gets confusing, doesn't it ;)
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| 15:09 | what's running where
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| 15:09 | <josefig> sometimes
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| 15:10 | <mwalters> Glad it works!
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| 15:10 | <josefig> last question
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| 15:10 | if I want to setup some hosts on /etc/hosts and i want to set it up in the clients too, how can i do that?
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| 15:19 | <mwalters> I *think* you could just put it into the client chroot /etc/hosts
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| 15:19 | e.g., /opt/ltsp/<arch>/etc/hosts
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| 15:20 | just be sure to rebuild the image after
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| 15:20 | update
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| 15:26 | <josefig> i dont see any /etc/hosts on the client chroot
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| 15:27 | <mwalters> I'm not sure then, I have one
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| 15:38 | <alkisg> josefig: HOSTS_0="blabla" in lts.conf
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| 15:38 | And HOSTS_1 or HOSTS_WHATEVER
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| 15:43 | <josefig> alkisg, great, thank you!
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| 16:29 | <mwalters> alkisg: will the client use /etc/hosts if it's there?
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| 16:30 | <alkisg> Sure
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| 18:33 | <josefig> alkisg, I added HOSTS_0="192.168.1.142 development.local" but on the ltsp client I don't see it on /etc/hosts
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| 18:36 | another question, is it possible to see between users? let me explain how is our scenario, we develop software with the ltsp clients so for example I create vhosts with every client let's say: https://franz.local => /home/franz/public_html/ (on nginx) but I don't see the hosts I added as HOSTS_01="franz.local 192.168.1.142" and if my user (josefig) I want to see on /home/franz I don't see anything
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| 18:57 | <josefig> sorry i got dc
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| 19:07 | <alkisg> josefig: thin or fat clients?
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| 19:16 | <alkisg> josefig: paste the output of `getltscfg -a` from a root shell on the client
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| 19:16 | Your client probably didn't get your HOSTS directive
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| 19:18 | <josefig> alkisg, I use fat clients but I see they cannot use sudo on the terminals from ltsp fat clients
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| 19:19 | <josefig> so I can get the output from the root on server ?
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| 19:32 | if I do from normal user on ltsp fat client it says permission denied, and If I try to do a sudo -s or sudo su it doesn't accept my password but on ssh directly the server it does accept my sudo password
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| 19:36 | <alkisg> josefig: do you use epoptes?
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| 19:36 | !epoptes
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| 19:36 | <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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| 19:36 | <alkisg> !screen_02
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| 19:36 | <ltsp> screen_02: To get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using_a_shell_SCREEN
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| 19:36 | <alkisg> Those are 2 ways to get root on client
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| 19:36 | !root
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| 19:36 | <ltsp> I do not know about 'root', but I do know about these similar topics: 'ROOT_PASSWORD_HASH'
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| 19:36 | <alkisg> !ROOT_PASSWORD_HASH
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| 19:36 | <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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| 19:36 | <alkisg> And this a 3rd method
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| 19:36 | !sudo
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| 19:36 | <ltsp> I do not know about 'sudo', but I do know about these similar topics: 'sudoers', 'fat-sudo'
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| 19:36 | <alkisg> !fat-sudo
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| 19:36 | <ltsp> fat-sudo: to allow members of the sudo group to execute "sudo" in fat clients without a password prompt, put this in lts.conf: RCFILE_01="echo '%sudo ALL=NOPASSWD: ALL' >> /etc/sudoers"
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| 19:36 | <alkisg> And this is a fourth
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| 19:36 | !HASH
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| 19:36 | <ltsp> I do not know about 'HASH', but I do know about these similar topics: 'LDM_PASSWORD_HASH', 'ROOT_PASSWORD_HASH'
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| 19:36 | <alkisg> !LDM_PASSWORD_HASH
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| 19:36 | <ltsp> LDM_PASSWORD_HASH: LDM_PASSWORD_HASH=True in lts.conf saves the password hash to /etc/shadow on login, so that the users can unlock the screensaver etc. If they happen to change their password though, that only takes effect until logout.
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| 19:37 | <alkisg> And this is a fifth
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| 19:37 | Use one of them
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| 19:38 | <mwalters> alkisg: can I assume that I could paste a "regular" shadow hash into INIT_COMMAND_ROOT to set the password I want?
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| 19:38 | <alkisg> Yes, but watch out to escape $ as \$
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| 19:38 | <mwalters> cool, thx ;)
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| 19:41 | getting ready for my 18.04 updates on the 31st... 4 servers, 4 locations :D
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| 19:42 | <alkisg> Wish you luck!
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| 19:42 | <mwalters> never did figure out what is going on with chrome on thin clients in 14.04
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| 19:42 | <alkisg> Thin/fat? Ubuntu MATE? How many clients?
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| 19:42 | <mwalters> fat/mate
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| 19:42 | coming from metacity/thin
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| 19:42 | <alkisg> Ah, nice speedup then
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| 19:42 | <mwalters> I'm sure you've talked with my boss in the past... we're on the map ;)
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| 19:42 | <josefig> alkisg, let me read about it first
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| 19:42 | <alkisg> If you only have fat, you could also just use stock ubuntu
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| 19:43 | I'm not so sure; I'm unrelated to people in ltsp.org that sell workstations
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| 19:43 | <mwalters> ah, he's been in here ;)
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| 19:43 | <alkisg> Probably then :D
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| 19:43 | <mwalters> but he's been removed from the day to day IT stuff for a while
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| 19:43 | I've personally been using 18.04 on my workstation for a while
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| 19:43 | with i3... i3 runs great, as to be expected ;)
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| 19:44 | I figure our users will want a littl emore... desktop ;)
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| 19:44 | <josefig> mwalters, I started buying endless EC200 and with a SDcard using iPXE boot works great with fat clients
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| 19:45 | <mwalters> cool... we have a bunch of custom built mini-itx boards w/ celeron j1900s
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| 19:45 | varying levels of memory
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| 19:45 | also a couple of gigabyte brix intel I3s around
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| 19:45 | all just using standard pxe
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| 19:45 | coming from mostly windows/AD DS shops... this is great
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| 19:46 | I did a novell netware to AD DS for a school a few years back... I thought that was a step up... this is so much easier
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| 19:48 | once I get 18.04 rolled out, gonna move our windows users (mostly quickbooks) to fat clients and have them do windows terminal services/remote desktop
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| 19:53 | <||cw> unless you already have the TS licenses, it might be better to go with a hosted quickbooks
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| 19:54 | <mwalters> we already have desktop
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| 19:55 | I'm not really involved with those decisions... boss/money ppl decided that qbo doesn't suit our needs
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| 19:55 | also, we're non-profit, so we can get TS/RDP licenses for next to nothing
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| 20:07 | <josefig> alkisg, I got the output to getltscfg -a
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| 20:08 | SCREEN_02= "shell", SCREEN_07="ldm", LDM_DIRECTX="True", USE_LOCAL_SWAP="True"
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| 20:20 | alkisg, i found the problem, i added the variables into wrong section
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| 20:20 | <alkisg> :)
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| 20:21 | <josefig> ls
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| 20:25 | last thing, about the home with all users, i need it how can I do that? I added into /etc/exports >> /home *(rw,sync,no_subtree_check) and the variables on root fat client are like: SSH_FOLLOW_SYMLINKS="False" , FSTAB_1="192.168.1.142:/home /home nfs defaults,nolock 0 0", NFS_HOME="/home"
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| 21:06 | <josefig> I got dc again sorry for that
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