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--- linux:virtualization:lxc [2019/02/10 16:14]
tkilla [Bugfixes]
+++ linux:virtualization:lxc [2021/07/27 23:41]
tkilla [Create new container]
@@ Line 356: / Line 356: @@
 Enter VS:
   lxc-console -n websrv
+In Buster, use the lxc-download script:
+  /usr/share/lxc/templates/lxc-download --list --no-validate| grep debian | grep amd64
+  lxc-create -t /usr/share/lxc/templates/lxc-download -n <NAME> --  --no-validate -d debian -r buster -a amd64
@@ Line 366: / Line 372: @@
   lxc-clone --backingstore btrfs --orig vs1 --new vs2 --snapshot
+\\
+===== Mount external Dirs in Container =====
+The recommended way is to add the mountpoint with a relative path in the VS config:
+  lxc.mount.entry=/home/mountme home none bind,optional,relative,create=dir
+Under some cicumstances it does not work (in unprivileged containers), but this works:
+  lxc.mount.entry = /home/test /home/vservers/stretch/rootfs/home/test none bind 0 0
+Also check Permissions and Ownership. chown to the root ID inside the container.
 \\
@@ Line 375: / Line 394: @@
   lxc-create -B btrfs -n mycontainer -t ubuntu
@@ Line 437: / Line 458: @@
   lxc.id_map = g 0 100000 65536
+in buster it's called idmap:
+  lxc.idmap = u 0 100000 65536
+  lxc.idmap = g 0 100000 65536
 **shift uuids to another span:**
@@ Line 540: / Line 564: @@
 is a systemd hierarchy - if you remove systemd and switch to sysvinit-core, this might be leftover.
-FIX:
+FIXME:
 check all of systemd is gone (uninstall ii):
@@ Line 554: / Line 578: @@
   cat /proc/self/cgroup
-- this is helpful: https://github.com/lxc/lxc/issues/1279
+WORKAROUND:
-- this is not: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=769494
+mcedit /etc/lxc/lxc.conf and remove
+  lxc.cgroup.use = @all
+* this is helpful: https://github.com/lxc/lxc/issues/1279
+* this is not: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=769494
 \\

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