IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 15 February 2018   (all times are UTC)

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07:03
<lucascastro>
!cheapclient
07:03
<ltsp>
I do not know about 'cheapclient', but I do know about these similar topics: 'cheap-client'
07:03
<lucascastro>
help
07:03
<alkisg>
!chear-client
07:03
<ltsp>
I do not know about 'chear-client', but I do know about these similar topics: 'cheap-client'
07:03
<alkisg>
!cheap-client
07:03
<ltsp>
cheap-client: https://www.gearbest.com/tv-box-c_11262/nt1_windows~10/
07:03
<lucascastro>
!cheap-client
07:03
<ltsp>
cheap-client: https://www.gearbest.com/tv-box-c_11262/nt1_windows~10/
07:04
<lucascastro>
alkisg: thanks
07:04
<alkisg>
np
07:04
If you buy one of those, tell me how it fares
07:05
<lucascastro>
I really want to buy, but living in Brazil, everything get too delayed.
07:05
But I think I'm going to buy one
07:06
I'm right now build some modules to banana pi just to check the performance, but really preffer something like that at cheap-client
07:07
<alkisg>
I don't know about banana pi, but raspberry pi is 10-20 times slower than those, and 50 times slower than an i3
07:07
<lucascastro>
building video drive related
07:07
<alkisg>
So rpi isn't really suitable for a desktop computer
07:08
<lucascastro>
nor banana pi, but I have some of it.
07:10
So, I'm going to bed right now.
07:10
4:10 am right now.
07:11
<alkisg>
Good night :)
07:14
<lucascastro>
I'm supposed to finish the drive build tomorrow, I'll tell about that
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15:10
<stlord>
Greetings. I built LTSP-standalone server with tftpd-hpa and isc-dchp included. Everything went ok, but when I got my client started, I found, it can't access network. It getting IP from dhcp server, netmask and no more. No default gw, no ping gw ip, though gw is in the same network. Pinging LTSP server is ok. When i'm going to "Edit connections" on client, I see no connections at all, but I can create one and assign the only physical
15:13
<fiesh>
and your dhcpd advertises the default gw and nameserver?
15:17
<||cw>
stlord: are you using ltsp-manager?
15:19
<stlord>
this is my dhcpd.conf
15:19
ode: subnet 192.168.88.0 netmask 255.255.255.0 { range 192.168.88.20 192.168.88.120; option domain-name-servers 8.8.8.8; option broadcast-address 192.168.88.255; option routers 192.168.88.1; next-server 192.168.88.201; option subnet-mask 255.255.255.0; option root-path "/opt/ltsp/amd64";
15:19
if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" { filename "/ltsp/amd64/pxelinux.0"; } else { filename "/ltsp/amd64/nbi.img"; } }
15:19
and i'm not using ltsp-manager
15:21
<fiesh>
maybe try using some device other than a thin client, run tcpdump on it, then start the dhcp lookup, and see if it's properly advertised? that way you can rule out whether it's a server or client problem
15:21
<||cw>
stlord: ltsp-manager is highly recommended for new installs
15:22
<stlord>
this server is the only dhcp server in the network, other windows clients with dhcp assigned addr working good
15:22
pity, i have no other linux clients
15:25
<fiesh>
well if the windows clients work and they use the same dhcp server, I'd assume the server is fine then
15:25
so what's /etc/resolv.conf say on the clients?
15:26
or restart the dhcp on the client and log while it's doing it
15:26
or dhcpcd -d eth0 or so, to see what's going on
15:27
<stlord>
resolv.conf (as symlink) says "nameserver 8.8.8.8"
15:28
<alkisg>
Is this a 2-nic setup on the ltsp server?
15:28
<stlord>
no, only one nic
15:28
<alkisg>
Open a terminal on the client, and type these commands, and paste the output here
15:29
hostname; ip a
15:29
*the output in pastebin
15:30
<fiesh>
then the nameserver works, so it's only the default route that doesn't
15:31
<stlord>
alkisg, it may take a while
15:31
<alkisg>
OK
15:52
<stlord>
hostname ltsp49
15:53
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever
15:53
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether fc:45:96:ad:f6:eb brd ff:ff:ff:ff:ff:ff inet 192.168.88.49/24 brd 192.168.88.255 scope global enp2s0 valid_lft forever preferred_lft forever inet6 fe80::fe45:96ff:fead:f6eb/64 scope link valid_lft forever preferred_lft forever
15:53
3: wlp1s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 link/ether 58:00:e3:c2:74:e7 brd ff:ff:ff:ff:ff:ff
15:55
there's no dhcpcd service
15:57
<alkisg>
stlord: which ubuntu/ltsp version is that?
15:58
or distro/version...
15:58
<stlord>
16.04
15:59
<alkisg>
Do you have root access to the client?
15:59
<stlord>
yep
15:59
ssh in
15:59
<alkisg>
Can you try to manually set the gateway and see if that's all that's missing?
15:59
ip add default gw etc etc
16:00
also on the client try: /usr/lib/klibc/bin/ipconfig -n enp2s0
16:03
<stlord>
root@ltsp49:/etc/init.d# route add default gw 192.168.88.1 SIOCADDRT: File exists
16:03
<fiesh>
what does netstat -r say?
16:04
<stlord>
nothing, even a zero
16:04
wait
16:04
<fiesh>
nothign?!
16:04
<stlord>
get it
16:05
Destination Gateway Genmask Flags MSS Window irtt Iface
16:05
default 192.168.88.1 0.0.0.0 UG 0 0 0 enp2s0
16:05
192.168.88.0 * 255.255.255.0 U 0 0 0 enp2s0
16:06
<fiesh>
then the default gateway is successfully set
16:06
<stlord>
ipconfig -n enp2s0 :
16:06
<fiesh>
what does ping 8.8.8.8 do?
16:06
<stlord>
address: 192.168.88.114 broadcast: 192.168.88.255 netmask: 255.255.255.0 gateway: 192.168.88.1 dns0 : 8.8.8.8 dns1 : 0.0.0.0 rootserver: 192.168.88.201 rootpath: /opt/ltsp/amd64 filename : /ltsp/amd64/nbi.img
16:07
--- 8.8.8.8 ping statistics --- 7 packets transmitted, 0 received, 100% packet loss, time 6024ms
16:07
it can't ping 88.1 even
16:21
<alkisg>
can you ping the ltsp server? can you ping a windows pc?
16:21
also your ltsp server is dhcp but not gateway?
16:22
<stlord>
yes, for all these quesions
16:23
it looks like ltsp client can not connect with my mikrotik gateway only
16:23
<fiesh>
and you cannot ping the gateway?
16:23
but the windows boxes can?
16:23
<alkisg>
and the ltsp server can ping the gateway?
16:23
Because it's possible that the gateway is configured not to reply to pings...
16:23
<stlord>
yes, it can
16:24
also i can ping client from any windows pc
16:24
and in other direction too
16:25
<alkisg>
Can you try booting the client from an ubuntu live cd?
16:25
<fiesh>
your gateway doesn't act as a dhcp server as well, leading to race conditions about which dhcp server replies first?
16:25
<alkisg>
(or usb)
16:26
<stlord>
well, i
16:26
i'll try to boot usb now
16:26
and i have no more dhcp servers in network
16:27
mikrotik dhcp is disabled
16:27
<alkisg>
I assume that the gateway doesn't blacklist the client somehow... :D
16:30
<stlord>
heh ), it has been resetted 2 days ago, so... no )
16:31
well, booting from usb, pinging 8.8.8.8 ---> ok
16:35
<alkisg>
And now compare the output of ip a and pi r
16:35
ip r
16:35
(as a thin client and from the live cd)
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16:51
<stlord>
well, that is the differences:
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16:51
<stlord>
client:
16:52
on enp2s0
16:52
inet 192.168.88.114/24 brd 192.168.88.255 scope global enp2s0
16:52
valid_lft forever preferred_lft forever
16:52
on live:
16:53
inet 192.168.88.114/24 brd 192.168.88.255 scope global dynamic enp2s0
16:53
valid_lft 40993sec preferred_lft 40993sec
16:53
ip r:
16:53
client:
16:53
default via 192.168.88.1 dev enp2s0 192.168.88.0/24 dev enp2s0 proto kernel scope link src 192.168.88.114
16:53
live:
16:53
default via 192.168.88.1 dev enp2s0 proto static metric 100 169.254.0.0/16 dev enp2s0 scope link metric 1000 192.168.88.0/24 dev enp2s0 proto kernel scope link src 192.168.88.114 metric 100
16:57
well, that's the magic...
16:57
now client can ping everything, that is possible to ping...
16:57
idk what's going on
16:58
maybe addr 88.49 is broken, maybe something else
16:58
<alkisg>
Maybe that could be a good reason to switch to dnsmasq :D
16:58
<stlord>
i'll do )
16:59
this system is just for testing purposes
16:59
anyway, thank you very much for help
16:59
good luck
17:00
<alkisg>
!ltsp-manager
17:00
<ltsp>
ltsp-manager: LTSP Manager is a GUI tool that makes LTSP maintenance easy. It's the recommended way to install LTSP in common setups. More info: http://wiki.ltsp.org/wiki/Ltsp-manager
17:00
<alkisg>
...this is the most supported scenario nowadays
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