| === unrael__ is now known as unreal | ||
| cpaelzer | jamespage: the right way is to turn around the server/client relationship | 05:28 |
|---|---|---|
| cpaelzer | jamespage: qemu creates the socket OVS connects | 05:32 |
| cpaelzer | no more needs the perm/user juggling | 05:32 |
| cpaelzer | jamespage: see https://git.launchpad.net/~ubuntu-server/ubuntu/+source/dpdk-testing/tree/test.sh#n1056 and https://git.launchpad.net/~ubuntu-server/ubuntu/+source/dpdk-testing/tree/test.sh#n1043 for mode server (old) client (new) | 05:33 |
| cpaelzer | the path is something qemu created after being set up via e.g. libvirt XML | 05:34 |
| lordievader | Good morning | 06:14 |
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| jamespage | cpaelzer: great - I'd got to that conclusion - I think we can just drop those params for openstack versions where ovs is the client to the libvirt created vhostuser socket | 08:22 |
| cpaelzer | yes | 08:23 |
| === lotuspsychje is now known as lotus|H3X | ||
| === lotus|H3X is now known as lotuspsychje | ||
| m-anish | Hi. I am facing an issue of systemd-resolved and dnsmasq probably looping and consuming 100% cpu, and would really appreciate some help! | 12:57 |
| m-anish | test | 12:58 |
| m-anish | http://paste.ubuntu.com/p/PH4MSBG9CK/ | 12:58 |
| m-anish | ^^ /etc/resolv.conf | 12:58 |
| m-anish | http://paste.ubuntu.com/p/NPWzVRR7mp/ is /etc/systemd/resolved.conf | 12:58 |
| m-anish | http://paste.ubuntu.com/p/yZZ5FPGp7K/ is service systemd-resolved status | 12:59 |
| m-anish | http://paste.ubuntu.com/p/dwf9nJnYbw/ is systemd-resolve --status | 12:59 |
| m-anish | http://paste.ubuntu.com/p/X3kdGd4KJ8/ is `ip a` | 13:00 |
| m-anish | https://github.com/iiab/iiab/issues/1747 is the bug report where we're tracking this | 13:00 |
| m-anish | this is 18.04.2 LTS on an Intel NUC | 13:00 |
| lotuspsychje | m-anish: did you firmware upgrade your nuc to latest? | 13:01 |
| ahasenack | there is a bug about this, but it doesn't have a clear reproducer | 13:01 |
| ahasenack | 100% cpu looks like there is a query loop | 13:02 |
| m-anish | I researched a bit on the internet, but couldn't find a proper answer, and I don't deeply understand how DNS resolution is working in ubuntu (given my system's config) | 13:02 |
| m-anish | hmm let me check | 13:02 |
| m-anish | ahasenack yeah, any way i can figure out what might be happening | 13:02 |
| ahasenack | tcpdump | 13:02 |
| m-anish | any switches i should use with tcpdump? | 13:03 |
| ahasenack | it seems to happen sometimes with installations that were release upgraded from previous releases | 13:03 |
| m-anish | this is a fresh install of 18.04 | 13:03 |
| ahasenack | if you don't know them, then tcpdump probably won't be useful to you | 13:03 |
| ahasenack | I'd suggest -i any -n -p port 53 | 13:03 |
| ahasenack | and brace for impact | 13:03 |
| m-anish | if you want, i can let you ssh in via ngrok | 13:03 |
| ahasenack | nope | 13:03 |
| m-anish | its awfully quiet `tcpdump -i any -n -p port 53` | 13:04 |
| m-anish | wait | 13:05 |
| m-anish | the race condition stopped itself :( | 13:05 |
| m-anish | i mean im back to normal cpu usage | 13:05 |
| m-anish | ill run that command if/when this happens next | 13:08 |
| m-anish | ahasenack lotuspsychje thx | 13:08 |
| ahasenack | good luck | 13:08 |
| m-anish | here we go again | 13:10 |
| m-anish | https://paste.ubuntu.com/p/QhNfQF5h6Y/ | 13:11 |
| m-anish | ahasenack ^^ is a sample | 13:11 |
| supaman | so, I have a performance issue with NFS mount, it seems that the sync option is slowing down writing a lot (unpacking a 13 GB gzip file takes up to 8 minutes with sync on but only a few seconds with async) | 14:26 |
| supaman | the async option, is it really that dangerous if the NFS mount is used mostly for reading? | 14:27 |
| supaman | its mostly used for Joomla websites, most writing is done when users upload images and other files and when the website admin updates the software | 14:32 |
| supaman | the software update is the 13 GB unzip | 14:32 |
| tomreyn | you should have separate exports then | 14:33 |
| supaman | I have a seperate export for each site | 14:33 |
| supaman | played around with rsize and wsize, no luck there | 14:34 |
| tomreyn | you should have one (maybe for each site) which mounts writable with async, and another (maybe for each site) which mounts read-only without async | 14:35 |
| supaman | hmmm, don't think sync/async matters for read, only for writing | 14:35 |
| tomreyn | and i'd recommend unpacking archives on the nfs server, not on a mounted export | 14:38 |
| supaman | well, the update is done through the Joomla web interface, don't have an option there I think | 14:39 |
| supaman | what I am mostly interested in is if async is active, what happens if a write is taking place and the link gets disrupted somehow | 14:40 |
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| bipul | Hi, | 19:42 |
| RoyK | ho | 19:43 |
| bipul | Can we run GUI applications in Ubuntu server , and access it via ssh graphically. | 19:43 |
| bipul | ? | 19:43 |
| RoyK | yes | 19:43 |
| RoyK | works well - I'm using for instance virt-manager that way | 19:44 |
| bipul | How? I tried installing xorg , but failed to do so | 19:44 |
| bipul | virt-manager is virtualization things. | 19:44 |
| RoyK | just install something, like x11-apps - log out and in again to make sure x11-forward works and start xeyes or something | 19:45 |
| RoyK | bipul: it's still just a normal x application | 19:45 |
| bipul | Yes, an IDE type application like IntelliJ | 19:46 |
| RoyK | should work | 19:46 |
| RoyK | just try xeyes first | 19:46 |
| RoyK | it's a neat little thing for testing x | 19:46 |
| bipul | I tried installing xauth , xorg and openbox. | 19:46 |
| RoyK | no need for xorg | 19:46 |
| bipul | Then? | 19:46 |
| RoyK | that's the x server - you only need an x server on your client | 19:47 |
| RoyK | server/client in x land is a bit opposite of the way others name it | 19:47 |
| RoyK | bipul: what sort of client are you running? | 19:47 |
| bipul | I am using Ubuntu , inside virtualbox. | 19:47 |
| bipul | inside virtualbox Ubuntu server, where i would like to install IntelliJ | 19:48 |
| RoyK | just install x11-apps and log out and in again and check if $DISPLAY is set | 19:48 |
| bipul | Oh let me try | 19:48 |
| RoyK | you may have to ssh -X <server> to enable x11 forwarding, but it should be enabled by default, both on client and server | 19:49 |
| bipul | yes, | 19:50 |
| bipul | RoyK, Thanks for your wonderful suggestion. | 19:52 |
| RoyK | works? | 19:53 |
| bipul | I am trying | 19:54 |
| RoyK | check the DISPLAY variable if it doesn't work - "echo $DISPLAY" | 19:54 |
| bipul | When you say x11 apps? then what specific package should i install ? | 19:55 |
| bipul | apt-cache search x11 list me many packages | 19:55 |
| teward | TJ-: so your patch is now in Proposed for nginx heere in Eoan. PROBLEM: chromium being snapped now broke autopkgtests for something and those autopkgtests block nginx. unrelated blockage but still | 19:56 |
| teward | Laney and others're looking into that one | 19:56 |
| RoyK | bipul: x11-apps | 19:56 |
| bipul | yes x11-aps | 19:56 |
| bipul | yes x11-apps | 19:56 |
| RoyK | so - now log out and in again and check if DISPLAY is set | 19:58 |
| bipul | sure i will let you know :) | 20:00 |
| RoyK | or just try to run xeyes first | 20:00 |
| RoyK | you'll see | 20:00 |
| RoyK | or get an error message | 20:00 |
| TJ- | teward: I'm not fixing Chromium! | 20:02 |
| teward | TJ-: no you aren't :P | 20:02 |
| teward | lol I wouldn't expect you to xD | 20:03 |
| bipul | Okay, echo $DISPLAY does not works. | 20:05 |
| RoyK | no output? | 20:05 |
| bipul | Yes no output. | 20:05 |
| RoyK | ok - try ssh -X <yourserver> | 20:06 |
| bipul | It says "/usr/bin/xauth: file /home/ubuntu/.Xauthority does not exist." | 20:08 |
| RoyK | log out and in again | 20:08 |
| RoyK | this usually happens the first time you login with x11 forward | 20:08 |
| bipul | I think we need to give small "x" | 20:08 |
| RoyK | -x disables x11 forward | 20:09 |
| RoyK | -X enables it | 20:09 |
| RoyK | see man ssh | 20:09 |
| bipul | WoW ! It works | 20:09 |
| bipul | Thank you very much. :) | 20:09 |
| RoyK | then set ForwardX11 yes in .ssh/config | 20:10 |
| RoyK | so you won't need to use -X next time | 20:10 |
| bipul | okay :) | 20:11 |
| RoyK | or just globally in /etc/ssh/ssh_config | 20:11 |
| RoyK | on the client, that is | 20:11 |
| lordcirth | Remember that "ForwardX11 yes" potentially allows attacks from the server | 20:12 |
| lordcirth | You might want to set it for the one server | 20:12 |
| RoyK | lordcirth: my guess is his server is behind nat anyway, so it won't be much of a problem | 20:12 |
| lordcirth | The problem is if he sets it globally, then ssh's to a different server later | 20:13 |
| RoyK | I know | 20:14 |
| RoyK | bipul: check "man ssh_config" - you can add separate blocks for each server | 20:14 |
| RoyK | lordcirth: btw, isn't ForwardX11Trusted needed for the server to gain too much access? | 20:18 |
| RoyK | as in ssh -Y | 20:19 |
| === hays_ is now known as hays | ||
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