/var/lib/lxc/<NAME>/config for the container you're testing things with.
On Tue, Jun 05, 2018 at 12:09:52PM -0700, Martín Fernández wrote: > Stéphane, > > Not sure what configuration file you are talking about. Configuration file > under /etc/lxc/default.conf looks like this: > > ``` > lxc.network.type = veth > lxc.network.link = br0 > lxc.network.flags = up > lxc.network.hwaddr = XXXXX > ``` > > Any lxc-* command that I could use to introspect the containers and get more > information to troubleshoot ? > > Thanks again! > > Best, > Martín > > On Tue, Jun 05, 2018 at 4:05 PM "Stéphane Graber" < ">"Stéphane Graber" > > wrote: > > > > > > > > > What's your container's config like? > > > > I wonder if it's somehow missing the include (usually indirect through > > common.conf) that's needed for the lxcfs hook. > > > > > > > > On Tue, Jun 05, 2018 at 11:57:39AM -0700, Martín Fernández wrote: > > > Stéphane, > > > > > > `grep lxcfs /proc/1/mountinfo` doesn’t return any output. > > > > > > On the other hand, /var/lib/lxcfs/ shows `cgroup` and `proc` folders > > with multiple files. > > > > > > Best, > > > Martín > > > > > > On Tue, Jun 05, 2018 at 3:54 PM "Stéphane Graber" < ">"Stéphane Graber" > > > wrote: > > > > > > > > > > > > > > > > > > > What do you see if you run "grep lxcfs /proc/1/mountinfo" inside the > > > > container? > > > > > > > > And do you see the lxcfs tree at /var/lib/lxcfs/ on the host? > > > > > > > > > > > > > > > > On Tue, Jun 05, 2018 at 11:50:51AM -0700, Martín Fernández wrote: > > > > > Stéphane, > > > > > > > > > > I just got time to do my work on lxcfs. Installed lxcfs running on a > > > > > > Ubuntu 14.04 box, installed version is 2.0.8. > > > > > > > > > > I restarted one of our containers and “I think” I see wrong output > > when > > > > running `free` for example. > > > > > > > > > > lxc-info shows 1GB of memory usage and `free` shows 24GB of memory > > usage > > > > which is the same as the host memory usage. Anything I could be > > missing ? > > > > > > > > > > Short version of the process done would be: > > > > > > > > > > - apt-get install lxcfs > > > > > - sudo init 0 (in container) > > > > > - lxc-start -n container-name -d > > > > > > > > > > Best, > > > > > Martín > > > > > > > > > > On Thu, May 31, 2018 at 12:39 AM "Stéphane Graber" < ">"Stéphane > > Graber" > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Wed, May 30, 2018 at 07:16:04PM -0700, Martín Fernández wrote: > > > > > > > Stéphane, > > > > > > > > > > > > > > Thank you very much for the quick reply! > > > > > > > > > > > > > > What are you are saying is pretty awesome! That would make it > > super > > > > easy > > > > > > to start using it. Is there any constraint in terms of what > > versions > > > > of > > > > > > LXC are supported ? I can run LXCFS with LXC 1.0.10 ? > > > > > > > > > > > > 1.0.10 should be fine though we certainly don't have all that many > > > > > > users > > > > > > of that release now that it's two LTS ago :) > > > > > > > > > > > > In any case, it'll be safe to install LXCFS, then create a test > > > > > > container, confirm it behaves and if it does then start restarting > > > > > > your > > > > > > existing containers, if it doesn't, let us know and we'll try to > > > > figure > > > > > > out why. > > > > > > > > > > > > > In order to understand a little bit more about how LXCFS works, > > does > > > > > > > > > > LXCFS hook into LXC starting process and mount /proc/* files ? > > > > > > > > > > > > That's correct, LXCFS when installed will create a tree at > > > > > > /var/lib/lxcfs those files then get bind-mounted on top of the > > > > > > containers /proc/* files through a LXC startup hook. > > > > > > > > > > > > > Thank you very much again! > > > > > > > > > > > > > > Best, > > > > > > > Martín > > > > > > > > > > > > > > On Wed, May 30, 2018 at 10:52 PM "Stéphane Graber" < ">"Stéphane > > > > > > Graber" > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > > > lxc-users mailing list > > > > > > > > lxc-users@lists.linuxcontainers.org > > > > > > > > http://lists.linuxcontainers.org/listinfo/lxc-users > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Wed, May 30, 2018 at 05:08:59PM -0700, Martín Fernández > > wrote: > > > > > > > > > Hello, > > > > > > > > > > > > > > > > > > We are using LXC to virtualize containers in multiple of our > > > > > > hosts. > > > > > > We > > > > > > > > have been running with LXC for a while now. > > > > > > > > > > > > > > > > > > We started adding monitoring tools to our systems and found > > the > > > > > > known > > > > > > > > issue that LXC containers show the host information on > > > > /proc/meminfo > > > > > > and > > > > > > > > /proc/cpuinfo. > > > > > > > > > > > > > > > > > > I found that LXCFS solves the problems mentioned above. What > > > > > > would > > > > > > be > > > > > > > > required to setup LXCFS in my hosts ? Would I need to reboot > > all > > > > the > > > > > > > > containers ? Do I need to restore my containers filesystem ? > > Is > > > > there > > > > > > any > > > > > > > > guide/documentation around it ? > > > > > > > > > > > > > > > > > > Thanks before hand! > > > > > > > > > > > > > > > > > > Best, > > > > > > > > > Martín > > > > > > > > > > > > > > > > Hey there, > > > > > > > > > > > > > > > > You should just need to install lxcfs and then any container > > you > > > > start > > > > > > > > > > > > > > or restart will be using it. There's no way to set it up > > against a > > > > > > > > > > > > running container, but there's also no need to restart all > > your > > > > > > > > containers immediately, you can slowly roll it out if that > > helps. > > > > > > > > > > > > > > > > And no changes needed to the containers, it gets setup > > > > automatically > > > > > > > > through a lxc hook when the container starts. > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > Stéphane Graber > > > > > > > > Ubuntu developer > > > > > > > > http://www.ubuntu.com > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > Stéphane Graber > > > > > > Ubuntu developer > > > > > > http://www.ubuntu.com > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > Stéphane Graber > > > > Ubuntu developer > > > > http://www.ubuntu.com > > > > > > > > -- > > Stéphane Graber > > Ubuntu developer > > http://www.ubuntu.com > > -- Stéphane Graber Ubuntu developer http://www.ubuntu.com
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