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6.3. Global configuration
The following configuration files are consulted by LXC. For privileged use, they are found under /etc/lxc, while for unprivileged use they are under ~/.config/lxc.
• lxc.conf may optionally specify alternate values for several lxc settings, including the lxcpath, the default configuration, cgroups to use, a cgroup creation pattern, and storage backend settings for lvm and zfs.
• default.conf specifies configuration which every newly created container should contain. This usually contains at least a network section, and, for unprivileged users, an id mapping section
• lxc-usernet.conf specifies how unprivileged users may connect their containers to the host-owned network.
lxc.conf and default.conf are both under /etc/lxc and $HOME/.config/lxc, while lxc-usernet.conf is only host-wide.
By default, containers are located under /var/lib/lxc for the root user, and $HOME/.local/share/lxc otherwise. The location can be specified for all lxc commands using the "-P|--lxcpath" argument.