| # From: https://github.com/docker/docker/issues/8791 | |
| cgroupfs_mount() { | |
| # see also https://github.com/tianon/cgroupfs-mount/blob/master/cgroupfs-mount | |
| if grep -v '^#' /etc/fstab | grep -q cgroup \ | |
| || [ ! -e /proc/cgroups ] \ | |
| || [ ! -d /sys/fs/cgroup ]; then | |
| return | |
| fi | |
| if ! mountpoint -q /sys/fs/cgroup; then | |
| mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup |
| # add lines to the beginning of file | |
| sed -i '1s/^/<added text>\n/' file |
deb mirror://mirrors.ubuntu.com/mirrors.txt precise main restricted universe multiverse
deb mirror://mirrors.ubuntu.com/mirrors.txt precise-updates main restricted universe multiverse
deb mirror://mirrors.ubuntu.com/mirrors.txt precise-backports main restricted universe multiverse
deb mirror://mirrors.ubuntu.com/mirrors.txt precise-security main restricted universe multiverse
add above on the top in /etc/apt/sources.list
