| sofia07 | I installed ubuntu server 18.04.1 and is so strange I want to install virt-manager and I cannot see it... can anyone tell me how to get the rigth repos ? | 05:23 |
|---|---|---|
| sofia07 | I would assume that is in the default rep | 05:23 |
| sarnold | sofia07: virt-manager is in universe.. one moment.. | 05:25 |
| sarnold | sofia07: in your /etc/apt/sources.list file, the bionic, bionic-updates, bionic-security lines, add 'universe' after 'main' | 05:26 |
| sofia07 | sarnold, thanks, I thought is in main | 05:27 |
| sofia07 | strangely, on the new server installed I do not remember asking me wheather I should install other repos | 05:27 |
| sarnold | sofia07: I think it used to be, iirc we moved it to universe to make it easier to do wholesale version upgrades.. | 05:27 |
| sofia07 | thanks again, I forgot to look at /etc/apt/sources.list - but that is what you said | 05:28 |
| sofia07 | one more question - is there a comparison of netplan vs /etc/network/interfaces ? I see it as new feature, I am still not quite clear what is the advantage ? | 05:29 |
| lotuspsychje | !netplan | sofia07 | 05:31 |
| ubottu | sofia07: Netplan is a network configuration abstraction renderer which uses YAML descriptions of a network to work with either a NetworkManager or Systemd-networkd "renderer". More information at https://netplan.io/ | 05:31 |
| lotuspsychje | sofia07: some users we see purge netplan and proceed with the previous networking, the users choice really | 05:31 |
| sarnold | sofia07: from my perspective, netplan is a lot more declarative.. ifupdown *looked* declarative but it was more or less just scripts.. and if you edited those config files before "undoing" changes correctly, you were *never* going to get your correct state back.. | 05:32 |
| sarnold | sofia07: I think there were benefits of going to systemd-networkd for management but .. so. many. files. so. verbose. oh. my. | 05:33 |
| sofia07 | sarnold, I agree, it is all becoming too stuffy, we are going to use netplan, but it was much simple to know /etc/network/interfaces ... | 05:35 |
| sarnold | sofia07: yeah, I had mixed feelings about losing /etc/network/interfaces | 05:35 |
| sarnold | It *looked* simple, and if you got it right on the first try, it kinda was simple :) | 05:35 |
| lotuspsychje | in my feeling netplan looks pretty stable | 05:36 |
| sofia07 | well, it would be interesting to see a review of current options and tools in networking | 05:36 |
| sofia07 | it would have been cool to have similar concepts in all linux distros, and with unix too (freebsd in particularly) | 05:37 |
| sofia07 | anyhow, I will try now to make a bridge - have a small server with few virtual machines | 05:37 |
| sarnold | I think there's reasonable shot for netplan.io to become that mechanism -- it looks tolerable enough to write new "renderers" for different backends, and as more distros are likely to eventually pick up systemd-networkd, even without new renderers it might get more and more useful | 05:39 |
| sarnold | and I think I heard netplan integrates well enough with cloud-init, which is another cross-distro mechanism for setting up machines.. | 05:39 |
| sofia07 | it looks interesting, now I am more cool of learning a bit more, instead of just making it work :) | 05:41 |
| sofia07 | thanks | 05:41 |
| sarnold | sofia07: as it stands the majority of the netplan docs are on https://netplan.io/ -- be sure to hit the 'report a bug on this site' for any comments, suggestions, bugs, etc :) | 05:43 |
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| lordievader | Good morning | 06:20 |
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| sofia07 | OK, there is a problem with this netplan, anything I do, even from one NIC (I want to create a bridge), both NICs are messed up... is there a working sample of netplan config bridge for ubuntu 18.04 server (I want to use the bridge for virtual machines on kvm | 07:28 |
| sofia07 | what is the best command to restart the networking so the /etc/netplan/50whatevf.yaml is utilized ? I just change it and systemctl restart networking does not do it | 07:40 |
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| ahasenack | good morning | 11:55 |
| cyphermox | sofia07: sudo netplan apply | 12:40 |
| cyphermox | sofia07: as for an example of bridge, that would be here: https://netplan.io/examples#bridging | 12:43 |
| cyphermox | but I use bridges for VMs too, I'm able to answer questions | 12:44 |
| sdeziel | cyphermox: I'll take that opportunity to ask you if one can create a bridge with no physical device enslaved now with netplan? | 12:45 |
| cyphermox | sdeziel: should be, yes | 12:46 |
| sdeziel | cyphermox: cool, for some reason it didn't work in my previous testing | 12:47 |
| sdeziel | but that was some time ago | 12:47 |
| cyphermox | sdeziel: I added that this cycle | 12:48 |
| cyphermox | a few months ago, I think, but this cycle :) | 12:48 |
| sdeziel | cyphermox: so Cosmic and forward? Or will that be backported to Bionic? | 12:48 |
| cyphermox | it will | 12:49 |
| cyphermox | the SRU is in -proposed, I'm not done checking the various features | 12:50 |
| sdeziel | thanks that will be handy here | 12:52 |
| sofia07 | cypermox, sorry I pasted two files - one which has the two NICS working , other with attempt to make one NIC bridge - the second is not working | 13:19 |
| sofia07 | netplan initial - working - no bridge https://paste.debian.net/1049120 | 13:20 |
| sofia07 | netplan with a simple attempt to make a bridge and use one card - this config does not work https://paste.debian.net/1049121 | 13:21 |
| compdoc | the bridges are for kvm? | 13:23 |
| cyphermox | compdoc: not there yet | 13:24 |
| cyphermox | sofia07: there is a typo in interfaces: enp36a0 instead of s0 | 13:24 |
| compdoc | i had to create bridges for kvm in 18.04. thought i could do it all with netplan, but kvm didnt like it | 13:25 |
| cyphermox | compdoc: for that i wrote a blog post | 13:25 |
| compdoc | I figured it out | 13:26 |
| cyphermox | it's more than just vm but http://blog.cyphermox.net/2018/05/building-local-testing-lab-with-ubuntu_16.html | 13:26 |
| compdoc | i now use netplan for the interfaces, and /etc/network/interfaces for the bridges | 13:27 |
| cyphermox | ok | 13:27 |
| compdoc | I figure kvm will change to work with netplan someday | 13:27 |
| sofia07 | cyphermox, thanks - I am looking at your configs, the NICs names are OK on mine - anyhow, if I do /etc/network/interfaces netplan is ignored ? | 13:31 |
| sofia07 | because I know how interfaces work, and can make it in a sec, I use kvm too | 13:32 |
| sofia07 | how can I disable netplan and use only /etc/network/interfaces ? | 13:34 |
| mason | sofia07: Install ifupdown, remove /etc/netplan/*.yaml | 13:34 |
| sofia07 | thanks.. | 13:34 |
| mason | sofia07: Depending on your use case, I'm finding that netplan is just a higher-ceremony /etc/network/interfaces. Might be worth poking at it before giving up on it. | 13:35 |
| mason | sofia07: There are other good ones, but the first article I read on it: https://webby.land/2018/04/27/bridging-under-ubuntu-18-04/ | 13:36 |
| blackflow | NIHplan is actually abstraction, not just higher-ceremony interfaces. 15th standard designed for one ring to rule them all. | 13:36 |
| blackflow | it literally serves no other purpose but...... to be "One config to rule them all and in YAML bind them". | 13:37 |
| cyphermox | blackflow: thanks for your constructive criticism. | 13:37 |
| blackflow | you're welcome. | 13:37 |
| mason | cyphermox: Apologies for not getting my suggestion/issue in yet, but I still plan to do it. Life has just been crazy. | 13:38 |
| cyphermox | mason: np | 13:38 |
| mason | (Which see, it seems that some of the structure is default and unchanging, and hence can be assumed to let people have far simpler/easier to remember syntax/files.) | 13:38 |
| mason | (For the folks who didn't see my initial yapping.) | 13:38 |
| mason | s/assumed to/assumed, so as to/ | 13:39 |
| sofia07 | since yaml seems to need things place correctly (tab etc), it is very confusing, the generated netplan/50..yaml file for the server has different look than the one at netplan... other tutorials yet other, and so far, any change I made, rendered the network useless - I wish I could just to one NIC at the time too - anyhow, /etc/network/interfaces is straight forward or maybe not... is was just working for years :) | 13:42 |
| mason | sofia07: There are variations that are legal/valid. Different ways to represent lists and stuff. I haven't gotten it all down as yet. | 13:43 |
| mason | I share your love of ifupdown, mind you, but I've gotten over my initial reaction to netplan. | 13:43 |
| cyphermox | it's a lot like python, really | 13:43 |
| cyphermox | sofia07: fwiw, aside from the typo your config looks valid for br0 | 13:44 |
| sofia07 | that ads so much confusion, I look at few tutorials, and NONE has similar structure (yes, the structure might be there, but subtle changes matter, and I do not know which one matter and which not) - I am saying that this is unforgiving (that how it look to me) | 13:44 |
| cyphermox | sofia07: do you have examples of the tutorials? I could go have a look | 13:45 |
| sofia07 | cyphermox, thanks, it seem that that server gets out in internet through external wan, when the configuration is apply both lan and wan stop working | 13:45 |
| cyphermox | this week I've been working on improving the error messages a lot, it should be easier to figure out when this are wrong (ie. tabs) | 13:45 |
| cyphermox | sofia07: it might stop working for just a bit, or permanently? | 13:46 |
| sofia07 | well first the ones I pasted are generated by ubuntu 18.04 server at installation - they are different than the examples at neplan.io | 13:46 |
| sofia07 | cyphermox, no, permanently | 13:46 |
| cyphermox | that's odd | 13:47 |
| cyphermox | there wasn't much functional difference between the two configs you pasted | 13:47 |
| sofia07 | I am certainly missing something | 13:47 |
| cyphermox | which one is wan? | 13:47 |
| cyphermox | enp6s0? | 13:47 |
| sofia07 | cyphermox, yes, indeed, I just move the dhcp Lan NIC from bottom to top - under interfaces and added a bridge for the wan one - and mention which wan should I use | 13:48 |
| cyphermox | sofia07: as long as you know which is which, that's what is important :) | 13:48 |
| cyphermox | so; you might want to add "critical: true" on the interface | 13:48 |
| cyphermox | that tells systemd not to release / renew the DHCP address when it restarts. | 13:49 |
| sofia07 | enp36s0: is the wan one | 13:49 |
| cyphermox | ah, so not dhcp | 13:49 |
| sofia07 | yes | 13:50 |
| cyphermox | is that at home? some consumer hardware doesn't like changing mac address, which would happen when you move the address from enp36s0 to br0. | 13:50 |
| sofia07 | I tried either, again, maybe I miss an indentation or something | 13:50 |
| sofia07 | no | 13:51 |
| sofia07 | It is connected to a modem in bridge mode | 13:51 |
| sofia07 | so the external ip should be not hindered by the mac address | 13:52 |
| cyphermox | modems do sometimes care | 13:52 |
| cyphermox | (I know mine does) | 13:52 |
| cyphermox | the machine connected to it needs to be a mac that it recognizes, so I need to power it off, remove the battery, and start it over again when I change what is connected to it | 13:53 |
| cyphermox | anyway -- your config in https://paste.debian.net/1049121 is valid, aside from the fact that in br0, interfaces: is set to the wrong name | 13:54 |
| cyphermox | enp36a0 vs. enp36s0 | 13:54 |
| sofia07 | there are two NICs - enp6s0 and enp36s0 (this are what I get when I do ip addr) | 13:56 |
| cyphermox | yes | 13:57 |
| cyphermox | sofia07: did you fix the typo? | 13:57 |
| sofia07 | what is enp36a0 ? | 13:57 |
| cyphermox | an error, I assume | 13:57 |
| cyphermox | that's what I see in your pastebin | 13:57 |
| sofia07 | oh - you right - let me see with the correct name - gosh | 13:58 |
| cyphermox | I apologize for insisting on that, maybe you already fixed it | 13:58 |
| sofia07 | no, I did not notice it | 13:58 |
| cyphermox | that would quite obviously make the bridge not work ;) | 13:58 |
| sofia07 | yes, but what is interesting why lan card would not work too = anyhow let me fix it | 13:59 |
| TJ- | sofia07: it helps to compare the generated files under /run/... when things don't work as expected | 13:59 |
| cyphermox | sofia07: for the lan card, my guess is it's that DHCP takes a while to catch up | 14:01 |
| cyphermox | (hence adding "critical: true" might help) | 14:01 |
| TJ- | cyphermox: does the empty "adresses: []" affect anything? | 14:02 |
| cyphermox | TJ-: no | 14:02 |
| cyphermox | it's extra, but it won't break dhcp | 14:03 |
| sofia07 | Thanks a bunch cyphermox ! it worked, I misstype the NIC, unbeleivable | 14:03 |
| cyphermox | sofia07: np | 14:03 |
| sofia07 | so now I need to do some oether things for kvm to recognize the bridge ? | 14:03 |
| cyphermox | I am a little surprised though, netplan should have told you there was a typo | 14:03 |
| cyphermox | Error in network definition toto///etc/netplan/f.yaml line 11 column 25: br0: interface enp36a0 is not defined | 14:03 |
| cyphermox | ^ this is the error it should have shown | 14:04 |
| sofia07 | when I did netplan apply ? | 14:04 |
| cyphermox | yep | 14:04 |
| sofia07 | yes, that would be wonderful | 14:04 |
| cyphermox | oh | 14:04 |
| cyphermox | it didn't | 14:04 |
| sofia07 | Maybe I missed it, unfortunately I need to go, I was tethered to this machine physically :) | 14:04 |
| cyphermox | sofia07: thanks, made me find a bug here | 14:05 |
| sofia07 | but, I will try quickly to make the lan work to | 14:05 |
| cyphermox | ok | 14:05 |
| sofia07 | I do not remember saying anything, I could test it in a sec | 14:05 |
| sofia07 | wait a sec, let me change and see if it messages | 14:05 |
| cyphermox | oh, I'm not using the right config, that's why | 14:06 |
| sofia07 | it is messaging, perhaps I was through ssh before in the machine, but at the machine I got the error mentioning it | 14:08 |
| sofia07 | I have to experiment a bit more with this, what I found odd, that it should still let the LAN NIC work and reroute the trafic to outside world through that, | 14:08 |
| sofia07 | anyhow, what do I need to do so kvm see the NIC ? | 14:09 |
| sofia07 | the bridge | 14:09 |
| cyphermox | https://paste.ubuntu.com/p/ykqgfNFpxn/ | 14:11 |
| sofia07 | can I do # do disable the line | 14:11 |
| cyphermox | yes | 14:11 |
| sofia07 | cyphermox, thanks a bunch - both, my br0 and br1 work now - and I added the br0.xml and br1.xml to /etc/libvirt/qemu/networks | 14:22 |
| sofia07 | Thank you | 14:22 |
| sofia07 | It was really helpful and kind of you | 14:23 |
| cyphermox | sofia07: np | 14:54 |
| DammitJim | I know support for tomcat6 is basically done | 16:27 |
| DammitJim | but is there a way to install it on ubuntu 16? | 16:27 |
| DammitJim | through a repo? | 16:27 |
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| Epx998 | I found -> https://askubuntu.com/questions/812566/how-to-install-tomcat6-in-ubuntu-16-04-using-apt-get-install | 16:42 |
| tomreyn | this does exactly not do it with apt, and so the software would not get updates / security patches | 16:49 |
| tomreyn | 16.04 offers tomcat 7 (in universe). there may be PPAs providing tomcat6 builds for 16.04, but it seems unlikely those would get patches either. and ppa's are not supported here. | 16:52 |
| tomreyn | DammitJim: ^ | 16:52 |
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| rawco | hi everyone | 20:48 |
| rawco | i hope everyone’s weekend is cool | 20:48 |
| rawco | i’m going to DC | 20:48 |
| Epx998 | No! | 20:48 |
| rawco | so, my weekend will be hell | 20:48 |
| rawco | business trip | 20:48 |
| Epx998 | I am solo taking my 2 year old twins to a aquarium... thats hell | 20:48 |
| Epx998 | hell'a fun | 20:49 |
| rawco | https://www.target.com/p/go-by-goldbug-monkey-baby-harness/-/A-75456038 | 20:50 |
| rawco | get a pair of those | 20:50 |
| rawco | i have one that i put on my girlfriend | 20:50 |
| Epx998 | i have that actually, we got the one with the puppy | 20:50 |
| rawco | nice, you’re a prepared parent :D | 20:51 |
| Epx998 | they just unsnap it and run off | 20:51 |
| === PityDaFool is now known as AfroThundr|02 | ||
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