IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 6 August 2018 (all times are UTC)
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| 09:41 | <Hyperbyte> Judging from the amount of personal messages I received I guess we keep the +r flag for now.
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| 09:56 | <fiesh> oh yes please
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| 16:03 | <quinox> instead of +s we could do +s
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| 16:03 | *instead of +r we could do +s
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| 16:03 | "This channel will not appear on channel lists or WHO or WHOIS output unless you are on it."
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| 16:03 | I would assume the bots just retrieve the channel list and go through it one by one
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| 16:05 | <ogra> they also started to send PMs
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| 16:05 | (not sure if they pull that out of channel info or from some global user list though)
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| 18:42 | <||cw> I'm in several channels are that arne't +s or +r and didn't get hit, and they have more users than this one.
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| 18:55 | <deepanshuG> Does dnsmasq really work in normal mode(non proxy dhcp)?
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| 18:56 | If i do a `ping google.com` I get Ip address but no packets are sent If I do a `ping 8.8.8.8` It does not work If I do a nslookup google.com. I get the ip address In all the cases the internet does not work from the browser.
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| 19:07 | <alkisg> deepanshuG: if you can't ping 8.8.8.8, DNS isn't related at all
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| 19:07 | Do you have a 2 NIC setup, or a 1 NIC setup?
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| 19:11 | <deepanshuG> 2 nic
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| 19:11 | <alkisg> deepanshuG: then you need to do nat on your ltsp server
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| 19:11 | This is not at all related to dns or dnsmasq
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| 19:11 | It's an iptables thing
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| 19:11 | !nat
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| 19:11 | <ltsp> nat: To set up NAT in your LTSP server, set its internal IP to 192.168.67.1 and put http://bazaar.launchpad.net/~ts.sch.gr/sch-scripts/trunk/view/head:/debian/sch-scripts.if-up to /etc/network/if-up.d/sch-scripts. This also takes care of flow-control issues, possibly increasing your network speed 10 times. :)
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| 19:11 | <alkisg> Hmm let me update that URL there
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| 19:12 | <deepanshuG> yes. It is requried for communication with vagrant.
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| 19:12 | <alkisg> I'm not sure if you're asking how to do it, or if you're saying that you already did it
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| 19:12 | If you can't ping 8.8.8.8 from the client, you haven't done NAT correctly
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| 19:13 | <deepanshuG> vagrant has nat setip by default
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| 19:13 | <alkisg> Do you need help or not?
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| 19:13 | <deepanshuG> Yes I need some help
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| 19:13 | internt on client works in proxy dhcp mode
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| 19:13 | <alkisg> OK. I don't know about vagrant, but here is the correct setup for virtualbox:
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| 19:13 | the server is 2 nic, one is nat and the other is intnet, internal network
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| 19:13 | the client is 1 nic, in the internal network
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| 19:14 | There is no dhcp server in the internal network by default, and no nat
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| 19:14 | And at that point, you do dhcp and nat from the ltsp server
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| 19:14 | Does this match your target setup?
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| 19:14 | <deepanshuG> no.
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| 19:14 | <alkisg> OK, what is your setup in vagrant?
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| 19:14 | <deepanshuG> 1 have 2 nic one is nat. other bridged.
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| 19:14 | <alkisg> Bridged with what?
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| 19:14 | On your physical host, how many nics?
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| 19:15 | <deepanshuG> 2
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| 19:15 | <alkisg> One for internet, the other for ltsp?
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| 19:15 | <deepanshuG> yes.
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| 19:16 | <alkisg> And the vagrant ltsp server nics... is one of them doing nat on the internet-facing nic, and the other bridged to the ltsp-facing nic?
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| 19:16 | <deepanshuG> Is is possible for you take a look at setup by sharing screen?
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| 19:16 | Please.
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| 19:17 | <alkisg> OK do this: x11vnc -connect 193.92.203.1
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| 19:17 | OK do this: x11vnc -connect 193.92.203.16
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| 19:18 | <deepanshuG> thank you.
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| 19:19 | <alkisg> deepanshuG: tell me the names of your nics, are they eno1=ltsp and wlx00e12902b2dc=internet?
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| 19:20 | Not in the vm
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| 19:20 | In the host
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| 19:20 | <deepanshuG> eno1 is ltsp
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| 19:21 | <alkisg> and wlx00e12902b2dc=internet?
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| 19:21 | <deepanshuG> eno1 is providing internt as well
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| 19:22 | <alkisg> So your server has a one-nic setup?
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| 19:22 | *your host
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| 19:22 | <deepanshuG> yes.
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| 19:22 | <alkisg> And you want to emulate a 2-nic setup with only one nic?
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| 19:23 | <deepanshuG> maybe. But inside vm there are 2 nic. One for vagrant communication
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| 19:23 | another bridged to host nic for ltsp
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| 19:23 | <alkisg> Do you want to be able to boot real clients, and not only vm clients?
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| 19:23 | <deepanshuG> no just vm clients
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| 19:23 | <alkisg> Then why are you using bridged mode?
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| 19:24 | <deepanshuG> In case vm client is on another comupter
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| 19:24 | <alkisg> If it's on another computer, who is going to give it an IP? Your router's dhcp server, or the ltsp server?
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| 19:24 | <deepanshuG> ltsp server.
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| 19:26 | <alkisg> What is 192.168.1.6?
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| 19:27 | <deepanshuG> ltsp server vm
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| 19:27 | <alkisg> I lost you, can you close and open vnc again?
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| 19:27 | <deepanshuG> sure
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| 19:28 | <alkisg> x11vnc -connect 193.92.203.16
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| 19:29 | IP-Config: eno1 complete (dhcp from 192.168.1.1):
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| 19:29 | IP-Config: eno1 complete (dhcp from 192.168.1.6):
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| 19:30 | So the problem now is that you have 2 dhcp servers on the same subnet. Chaos. Don't do that. Change your test plan.
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| 19:30 | <deepanshuG> okay.
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| 19:30 | <alkisg> Either use an internal network,
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| 19:30 | or use wlan=internet, wired=ltsp network
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| 19:31 | <deepanshuG> Yes. Internal network works. But we wanted to support other vm clients as well
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| 19:31 | can we remove one of the dhcp server?
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| 19:31 | <alkisg> What is 192.168.1.1?
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| 19:31 | <deepanshuG> just for testing.
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| 19:31 | router dhcp server
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| 19:31 | <alkisg> Is it your router?
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| 19:31 | Do you really want to remove that?
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| 19:31 | <deepanshuG> I can disable it. just for testing.
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| 19:32 | <alkisg> Suppose a client boots
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| 19:32 | And it gets an ip from the ltsp server, 192.168.1.6
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| 19:32 | <deepanshuG> true.
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| 19:32 | But no internt connection.
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| 19:32 | <alkisg> How will the client know that your internet is gateway is at 192.168.1.1?
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| 19:32 | This is a bad setup
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| 19:32 | <deepanshuG> ohh.
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| 19:32 | true.
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| 19:33 | <alkisg> You can make the client work, but it's hard to have a different ip for dhcp, and a different for gateway on the same subnet
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| 19:33 | <deepanshuG> okay.
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| 19:33 | <alkisg> You can do it with a dnsmasq option, but I don't think it is what you really want
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| 19:33 | I think that what you want is a better test plan
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| 19:33 | My advice is: 2 nic setup = internal network. 1 nic setup = proxydhcp.
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| 19:34 | So if you want to test vm clients on another computer, use proxydhcp
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| 19:34 | <deepanshuG> indeed.
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| 19:34 | <alkisg> How to configure gateway in dnsmasq: http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2004q4/000006.html
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| 19:35 | This will make the client have internet; but it's not a good test anyway,change your test
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| 19:35 | I.e. dhcp-option=3,192.168.1.1
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| 19:35 | <deepanshuG> okay thanks I will try this out
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| 19:35 | <alkisg> Don't. It's a bad setup.
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| 19:35 | Change your test setup.
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| 19:36 | <deepanshuG> okay.
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| 19:36 | <alkisg> You can get internet from wlan, and use local network with bridged mode without router there
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| 19:37 | <deepanshuG> Also I read somewhere in standalone mode ltsp server is gateway to internt. Can i configure ltsp server to be gateway?
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| 19:38 | <alkisg> Yes. In this case, this will happen:
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| 19:38 | The client will get an ip from the ltsp server=192.168.1.6
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| 19:38 | <deepanshuG> Thats something I wanted to do.
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| 19:38 | <alkisg> and the ltsp server will then need to do NAT to 192.168.1.1
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| 19:38 | You need to configure NAT manually then
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| 19:38 | This NAT is not related to the vagrant/qemu/virtualbox NAT
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| 19:39 | <deepanshuG> so In every case 192.168.1.1
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| 19:39 | <alkisg> Also, it's best to use a different subnet then, e.g. ltsp server=192.168.67.1
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| 19:39 | <deepanshuG> is needed
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| 19:39 | <alkisg> No the client gateway would be 192.168.1.6
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| 19:39 | And the ltsp server would forward it to 192.168.1.1
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| 19:39 | and the router would forward it to your isp, etc etc
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| 19:39 | Lots of NATs to reach the internet
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| 19:39 | <deepanshuG> okay. Nice.
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| 19:40 | <alkisg> So on your tests, try not to have 2 different gateways or dhcp servers on the same subnet
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| 19:40 | If you need that, it's a bad test
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| 19:40 | <deepanshuG> Sure.
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| 19:41 | <alkisg> And btw, in your "2 nic ltsp server setup with a vm client on another computer", the second ltsp nic doesn't do anything
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| 19:41 | You can see it's a bad test from that as well
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| 20:23 | <quinox> ||cw: my reasoning being most people visiting this channel come here via info on websites, not by browsing the channel list and realizing they too use LTSP
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| 20:24 | <||cw> hm, I'm pretty sure I came here via the channel list originally
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