IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 19 July 2012 (all times are UTC)
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| 08:44 | <manu_av> hi, I am stuck trying to get usb mount on the fat client
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| 08:46 | when inserting a usb stick it shows up in the panel in unity (ubuntu 12.04) but there is no pop up of nautilus. When opening nautilus, the device is listed on and clicking on it brings up a window with "Unable to mount <devicename> Not Authorized"
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| 08:47 | the user is in plugdev and on the server everything mounts fine. Any ideas welcome
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| 09:46 | <dhanasekaran> Guys How to check tftpd-hpa service working, I check service started, How to debug tftpd-hpa, I checked it's shows Transfer timed out.
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| 09:47 | I am trying with ubuntu 12.04 64-bit, please guide me how to tftp server setup
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| 09:55 | <knipwim> dhanasekaran: from a client in the network, telnet <server> 69
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| 09:58 | <dhanasekaran> knipwim, root ~ # service tftpd-hpa status
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| 09:58 | tftpd-hpa start/running
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| 09:58 | root ~ # telnet 192.168.85.54 69
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| 09:58 | Trying 192.168.85.54...
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| 09:58 | telnet: Unable to connect to remote host: Connection refused
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| 09:58 | root ~ #
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| 09:59 | knipwim, telnet not connected
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| 10:00 | <knipwim> you tried the telnet from another computer than where the tftp server is running?
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| 10:00 | <dhanasekaran> knipwim, root ~ # tftp 192.168.85.54
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| 10:00 | tftp> status
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| 10:00 | Connected to 192.168.85.54.
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| 10:00 | Mode: netascii Verbose: off Tracing: off
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| 10:00 | Rexmt-interval: 5 seconds, Max-timeout: 25 seconds
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| 10:00 | tftp> mode binary
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| 10:00 | tftp> get file
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| 10:00 | Transfer timed out.
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| 10:00 | tftp>
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| 10:02 | file is placed in /var/lib/tftpboot
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| 10:03 | knipwim, my server machine running tftpd but connected to clinet
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| 10:03 | <knipwim> !tftp
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| 10:03 | <ltsp> knipwim: tftp: Here's a page to help you troubleshoot TFTP problems in Ubuntu: https://help.ubuntu.com/community/UbuntuLTSP/Troubleshooting/TFTP
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| 10:03 | <knipwim> dhanasekaran: ^^^
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| 10:04 | i got to go, but read the link
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| 10:04 | in the meanwhile, other people might show up here
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| 10:05 | <dhanasekaran> knipwim, I tried root ~ # tftp 192.168.85.54 -v -m binary -c get pxelinux.0
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| 10:05 | usage: tftp host-name [port]
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| 10:05 | tftp> your are given link show error
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| 10:10 | <knipwim> dhanasekaran: it should even work with curl
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| 10:11 | like curl "tftp://102.168.85.54/file"
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| 10:11 | err, 192, instead of 102
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| 10:12 | <dhanasekaran> root ~ # tftp://192.168.85.54/file
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| 10:12 | bash: tftp://192.168.85.54/file: No such file or directory
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| 10:12 | knipwim, it's a configuration issue, are someother
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| 10:12 | root ~ # cat /etc/default/tftpd-hpa
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| 10:12 | # /etc/default/tftpd-hpa
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| 10:12 | TFTP_USERNAME="tftp"
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| 10:12 | TFTP_DIRECTORY="/var/lib/tftpboot"
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| 10:12 | TFTP_ADDRESS="0.0.0.0:69"
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| 10:12 | TFTP_OPTIONS="--secure"
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| 10:12 | root ~ #
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| 10:13 | <knipwim> hmm, i don't know
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| 10:13 | but perhaps someone else
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| 10:13 | or read some example configs/tutorials
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| 10:14 | <dhanasekaran> I read ubuntu tutorial not working for me...
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| 10:43 | <Hyperbyte> dhanasekaran, for starters: telnet uses tcp, tftp udp
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| 10:43 | So you can't telnet to a tftp server
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| 10:43 | jan@terminalserver:~$ telnet localhost 69
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| 10:43 | Trying 127.0.0.1...
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| 10:43 | telnet: Unable to connect to remote host: Connection refused
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| 10:43 | That's normal.
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| 10:45 | What happens when you tftp to localhost on your LTSP server? Can you connect and get a file?
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| 10:46 | <dhanasekaran> Hyperbyte, no
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| 10:47 | <Hyperbyte> dhanasekaran, can you pastebin the complete output of the tftp client, including the command you typed?
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| 10:47 | !pastebin
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| 10:47 | <ltsp> Hyperbyte: pastebin: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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| 10:49 | <dhanasekaran> Hyperbyte, http://paste.ubuntu.com/1099840/
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| 10:49 | <Hyperbyte> You're using the wrong commands to test.
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| 10:50 | See the output of the first command
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| 10:50 | usage: tftp host-name [port]
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| 10:50 | Type:
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| 10:50 | tftp localhost
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| 10:50 | status
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| 10:50 | get file
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| 10:50 | quit
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| 10:50 | And paste the output.
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| 10:52 | <dhanasekaran> Hyperbyte, I am trying ubutnu 12.04 http://paste.ubuntu.com/1099845/
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| 10:53 | It's says Transfer timed out.
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| 10:55 | <Hyperbyte> What does 'ufw status' return?
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| 10:56 | <dhanasekaran> root ~ # ufw status
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| 10:56 | Status: inactive
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| 10:58 | <Hyperbyte> netstat -lpn | grep :69
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| 10:58 | <dhanasekaran> root ~ # netstat -lpn | grep :69
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| 10:58 | root ~ #
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| 10:59 | root ~ # service tftpd-hpa status
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| 10:59 | <Hyperbyte> service tftpd-hap status
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| 10:59 | <dhanasekaran> tftpd-hpa start/running
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| 10:59 | <Hyperbyte> Sorry
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| 10:59 | Yes, hap... it says start/running, but no pid
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| 10:59 | <dhanasekaran> yes
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| 10:59 | <Hyperbyte> Which means it actually -isn't- running
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| 10:59 | service tftpd-hpa restart
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| 11:00 | <dhanasekaran> root ~ # service tftpd-hpa restart
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| 11:00 | tftpd-hpa stop/waiting
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| 11:00 | tftpd-hpa start/running, process 4916
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| 11:00 | root ~ # netstat -lpn | grep :69
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| 11:00 | udp 0 0 0.0.0.0:69 0.0.0.0:* 4916/in.tftpd
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| 11:00 | root ~ #
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| 11:00 | <Hyperbyte> See, that makes all the difference. :)
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| 11:09 | <dhanasekaran> Hyperbyte, it's working super
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| 11:10 | Hyperbyte, My config file some entry in RUN_DEAMON=yes , I remove the RUN_DEAMON Entry
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| 11:11 | then restated, working good, Thanks Hyperbyte.. All credit goes Hyperbyte ...
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| 11:16 | <manu_av> I have Ubuntu 12.04 with fat-clients running. Just usb-stick on client does not work. Any ideas?
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| 11:26 | <manu_av> I read through the IRC log and it was mentioned that ldm does not work with LDAP.
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| 11:26 | The authentication goes via ssh. But when we mounted other shared the uid/gid was not resolved correctly and we also enabled ldap on client
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| 11:32 | <manu_av> can someone explain how fat clients mount local usb?
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| 11:43 | <dhanasekaran> Hyperbyte, My client machine show PXE-E32: TFTP open timeout
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| 11:43 | Hyperbyte, what is problem, It's working good in terminal, I try client show error
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| 13:24 | <Hyperbyte> dhanasekaran, which IP address is the client trying to connect to?
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| 13:25 | Is it trying to connect to the wrong IP address maybe?
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| 13:26 | <dhanasekaran> Hyperbyte, yes correct ,I fixed it, Now showing
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| 13:26 | Hyperbyte, no default or ui configuration directive found I am trying with local network based installation
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| 13:27 | <Hyperbyte> dhanasekaran, I'm confused.
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| 13:28 | <dhanasekaran> Hyperbyte, I am trying preseed based installation
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| 13:28 | <Hyperbyte> You're trying a local network based installation? What does that mean?
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| 13:28 | As for the error you're getting, please paste the exact error message and describe at which point you're getting the error.
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| 13:30 | <dhanasekaran> my client showing Stuck at "Trying to Load: pxelinux.cfg/default" First Cup of Ubuntu
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| 13:30 | | |
| 13:30 | Join Date: Sep 2010
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| 13:30 | Beans: 1
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| 13:30 | | |
| 13:30 | no default or UI configuration directive found
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| 13:45 | <Hyperbyte> dhanasekaran, what exactly have you done to this machine?
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| 13:46 | If I do a clean install of Ubuntu and build a fat client, it just works.
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| 13:47 | <dhanasekaran> Hyperbyte, I doing Debian Installer preseeding with autostart from PXE, unattended installation
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| 13:48 | my /var/lib/tftpboot/pxelinux.cfg/default http://paste.ubuntu.com/1100092/
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| 14:36 | <mikec> Does anyone know the best, current list of instructions for setting up ltsp-cluster? There are some things out there but perhaps there's something that is up to date. I have 12.04 LTS ready to go. Thanks!
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| 14:37 | <dead_inside> https://help.ubuntu.com/community/UbuntuLTSP/LTSP-Cluster_NAT_OpenLDAP
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| 14:37 | <dead_inside> i use ^^ all the time mikec
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| 14:40 | and i use 12.04....
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| 14:42 | <mikec> thanks dead_inside, i think this looks good https://help.ubuntu.com/community/UbuntuLTSP/LTSP-Cluster
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| 14:43 | <dead_inside> oh comon, join the dark side and give into ldap
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| 15:12 | <thisnickistaken> hey got a question about LDM_DIRECTX
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| 15:13 | or more of a statement
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| 15:13 | it has *no* effect whatsoever in my setup
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| 15:13 | is this a new "feature"?
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| 15:13 | <dead_inside> no its more for older hard ware
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| 15:13 | <thisnickistaken> i understand that it is for older hardware
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| 15:13 | but it does nothing
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| 15:13 | <dead_inside> turns off the ssh so the processor does not have to think as hard
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| 15:14 | <thisnickistaken> all traffic still traversing the ssh tunnel
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| 15:14 | <dead_inside> if your processor is fast enough it will have no affect, yes its still going over ssh but not at the same level of encryption
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| 15:14 | <thisnickistaken> .....is there anyway to siable ssh altogether?
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| 15:14 | *disable
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| 15:14 | because thats what all the docs say that that option does
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| 15:15 | <dead_inside> no clue
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| 15:15 | <thisnickistaken> top shows ssh eating all of cpu during large changes in screen
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| 15:16 | and security in this setup is not necesary
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| 15:16 | <dead_inside> are you running fat or thin clients
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| 15:16 | <thisnickistaken> thin
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| 15:16 | <dead_inside> what kind of processor you have in the thin client
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| 15:16 | <thisnickistaken> its an old p4
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| 15:17 | display is fin, thats not the issue, its under *certain* heavy graphical load that it eats up my cycles
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| 15:17 | *fine
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| 15:17 | video gets choppy because ssh is at ~75-90% cpu and X is left with 10-25%
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| 15:18 | other processors in play are VIA something's, either way, ssh is not desireable here
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| 15:38 | <CristianV> hi!
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| 15:39 | I need some support... it's about usb optical drives-
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| 15:39 | and ltsp of course.
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| 15:44 | <knipwim> !ask
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| 15:44 | <ltsp> knipwim: ask: Don't ask to ask a question, simply ask it, and if someone knows the answer, they'll respond. Please hang around for at least a full hour after asking a question, as not everybody constantly monitors the channel.
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| 15:46 | <CristianV> ... ok
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| 15:48 | i have a ltsp installation working really good, ubuntu 10.10 running over esx servers. Mi thin clients are dell optiplex. The problem comes with the usb dvdrom. If I insert certain disk (Ex: an empty disk) the drive hangs and it doesn't read any other disks. then is necessary to unplug the drive and reconnect it.
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| 15:51 | <||cw> CristianV: anything in the client syslog?
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| 15:53 | <CristianV> ISOFS: unable to indetify CD-ROM format
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| 15:53 | it's udf i think
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| 15:54 | on empty disks it says something like isofill bread error
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| 15:55 | the disk is readable, it works well under w*in 7
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| 16:09 | <thebwt> we're using ltsp thick-clienting, and using ipxe to provide pxe information (we can't control dhcp, though Once i get this running I'll start to investigate dhcp-proxy, boss says not until this works though). What is the best way to set hostnames for booted clients? My first thought is that I'll have to doa custom ipxe script for each computer
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| 16:10 | But I was wondering if there was a way to do this within ltsp itself
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| 16:15 | <CristianV> host HOSTNAME-HERE{
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| 16:15 | hardware ethernet HOST MAC ADDRESS;
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| 16:15 | }
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| 16:15 | put that on your dhcp conf
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| 16:20 | and use-host-decl-names on;
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| 16:22 | <thebwt> Can't touch dhcp.conf sadly (out of our department). But just had a chat with boss and made him ease up to proxydhcp. Going to try rolling that out
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| 17:14 | <thebwt> dnsmasq rocks!
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| 17:38 | <||cw> thebwt: that it does
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| 18:03 | <thebwt> using dnsmasq to do proxyDHCP, what is an example of a dhcp-host line that specifies a hostname for the pxe booting client based on on mac address?
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| 18:07 | <||cw> dhcp-host={mac},{hostname},{IP}
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| 18:07 | and 1 part is optional
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| 18:07 | any one part
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| 18:08 | <thebwt> okay, so if i still wanted the ip to be allocated by the real dhcp server i'd do "dhcp-host={mac},{hostname,"
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| 18:08 | <||cw> you can leave off the IP to have the hostname assigned, you can leav off the mac to have IP assigned by client hostname
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| 18:08 | <thebwt> ?
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| 18:08 | <||cw> yeah
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| 18:08 | <thebwt> roger
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| 18:08 | <||cw> I guess, I haven't used proxy
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| 18:08 | <thebwt> I'll give it a shot
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| 18:15 | nay :( it's still booting up as ltspXXX
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| 18:57 | <alkisg> thebwt: in lts.conf, put [mac:address] HOSTNAME=xxx sections
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| 18:58 | <thebwt> where does lts.conf live?
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| 18:59 | <alkisg> /var/lib/tftpboot/ltsp/i386/lts.conf
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| 18:59 | !lts.conf
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| 18:59 | <ltsp> alkisg: lts.conf: http://manpages.ubuntu.com/lts.conf
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| 19:04 | <thebwt> alkisg: okay so after I add this, I will need to run ltsp-update-image ?
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| 19:04 | <alkisg> thebwt: no, just reboot the client. Don't forget [default] as the first line of lts.conf
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| 19:04 | Err never mind
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| 19:04 | You don't need [default], you have mac address sections
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| 19:04 | <thebwt> roger
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| 19:09 | <alkisg> thebwt: btw, you can't use dhcp settings for the proxydhcp mode, that's why I proposed lts.conf instead. The clients get their info from the "main" dhcp server, not from dnsmasq.
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| 19:10 | <thebwt> alkisg: roger is was imaginging injecting that info as well, but I see how that wont work now. Then I was going to try doing a seperate file in pxelinux.cfg for eacg mac address, this is much more sane.
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| 19:12 | <thebwt> our end goal is to have this all running in fat client mode for local users to use eclipse on. We're almost there, the extra job that will be tough is using the local harddrive for a glusterfs (which is why the hostnames are important)
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| 19:13 | <alkisg> I imagine that can be easily arranged from an init-ltsp.d script
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| 19:22 | <thebwt> bah I don't think it's reading my lts.conf it's supposed to be at /var/lib/tftboot/ltsp/<chroot>/ltsp.conf right?
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| 19:23 | err
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| 19:23 | lts.conf *
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| 19:26 | could it be because I made one in /opt/ltsp/<chroot>/etc/lts.conf
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| 19:26 | therefore it's not importing it from teh tftp root?
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| 19:30 | <alkisg> thebwt: i386, not <chroot>
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| 19:31 | Even if your chroot is named otherwise (because of proxydhcp)
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| 19:31 | If you prefer, symlink it to i386
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| 19:32 | <thebwt> orly, thats awkward, so I need to make that directory just for lts.conf then
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| 19:32 | thanks again alkisg!
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| 19:32 | <alkisg> symlink the whole dir if you prefer. np
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| 19:33 | In the future I hope we'll have a configuration system in the server's /etc/ltsp instead of tftp/lts.conf, so it'd be much saner then
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| 19:33 | <thebwt> so this means if I'm hosting ltsp'n multiple images off one machine, that I'll need the lts.conf to handle ALL chroots in one spot?
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| 19:34 | <alkisg> Yes, but note that you usually don't need multiple chroots
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| 19:34 | Usually you can have boot scripts that adjust a common image to different client needs
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| 19:35 | Of course different client arches do need different chroots
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| 19:35 | <thebwt> thats init-ltsp you mentioned earlier?
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| 19:35 | <alkisg> There are many places for scripts, init-ltsp.d is one of them, runs even before init
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| 19:35 | <||cw> such as with the rc-scripts options, or even just normal init scripts that do things like hostname detection, or dhcp option, , or whatever
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| 19:42 | <thebwt> i've copied my custom lts.conf to ../tftpboot/i386 ../tftpboot/amd64 ../tftpboot/fatboy (name of the chroot while I'm getting it going) but doesn't seemt o be getting passed to teh client. if I cat the client's /etc/lts.conf, it still is the default file.
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| 19:42 | will the client always show the default file? and perhaps my lts.conf syntax is wrong?
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| 19:46 | <alkisg1> thebwt: what's your server and what's your chroot arch?
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| 19:51 | <thebwt> both amd64
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| 19:51 | alkisg1: both amd64*
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| 19:52 | <alkisg> thebwt: /opt/ltsp/<chroot>/usr/bin/getltscfg -c /var/lib/tftpboot/ltsp/i386/lts.conf -a
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| 19:52 | That way you can verify if your lts.conf syntax is correct or not
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| 19:53 | Also, are you using IPAPPEND 3?
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| 19:54 | <thebwt> I am
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| 19:54 | that was part of the dnsmasq guide
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| 19:54 | <alkisg> Try this from another pc:
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| 19:54 | $ cd /tmp
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| 19:54 | $ tftp <ltsp-server-ip> -v -m binary -c get /ltsp/i386/pxelinux.0
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| 19:54 | *lts.conf instead of pxelinux.0
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| 19:55 | The tftp binary is part of the tftp-hpa package
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| 19:57 | If you did absolute symlinks instead of relative, they won't work with tftpd-hpa
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| 19:58 | <thebwt> hmm
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| 19:58 | file not found, then I just rm'd the link and outhright copied the file
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| 19:58 | then it worked.. rebooting a client
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| 19:59 | <alkisg> cd /var/lib/tftpboot; ln -s i386 <chroot-name>
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| 20:00 | Err the opposite
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| 20:08 | <thebwt> still not changing the hostname, but now when I try to cat /etc/lts.conf from inside a client, it says permission denied
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| 20:08 | so that's progress/change
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| 20:13 | alkisg: are there permission issues i'm not thinking of? even 777'n the file didn't make that go away.
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| 20:15 | <alkisg> thebwt: lts.conf on the client is only readable by root
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| 20:15 | !screen_02
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| 20:15 | <ltsp> alkisg: 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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| 20:16 | <thebwt> oh neat!
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| 20:17 | also: it works!!!
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| 20:17 | hostname is set :D okay now to make a master list of all these ips :,(
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| 20:19 | <alkisg> IPs? Or MACs?
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| 20:30 | <thebwt> alkisg: macs
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| 20:31 | alkisg: not sure why I said IPs
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