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Make get.docker.io install directions slightly better by telling user exactly how to add themselves to the "docker" group

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As a bonus, if the user has run this script the way we recommend (ie, without "sudo" or "su", run as their user), we can actually give them the exact command they'll need with their correct username substituted appropriately.

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
This commit is contained in:
Tianon Gravi 2014-01-29 00:10:39 -07:00
parent c82a2d1adf
commit 6cfe778c2c
1 changed files with 13 additions and 1 deletions
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14
hack/install.sh
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@ -37,8 +37,10 @@ if command_exists docker || command_exists lxc-docker; then
( set -x; sleep 20 ) ( set -x; sleep 20 )
fi fi
user="$(id -un 2>/dev/null || true)"
sh_c='sh -c' sh_c='sh -c'
if [ "$(whoami 2>/dev/null || true)" != 'root' ]; then if [ "$user" != 'root' ]; then
if command_exists sudo; then if command_exists sudo; then
sh_c='sudo sh -c' sh_c='sudo sh -c'
elif command_exists su; then elif command_exists su; then
@ -124,6 +126,16 @@ case "$lsb_dist" in
$sh_c 'docker run busybox echo "Docker has been successfully installed!"' $sh_c 'docker run busybox echo "Docker has been successfully installed!"'
) || true ) || true
fi fi
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
echo
echo 'If you would like to use Docker as a non-root user, you should now consider'
echo 'adding your user to the "docker" group with something like:'
echo
echo ' sudo usermod -aG docker' $your_user
echo
echo 'Remember that you will have to log out and back in for this to take effect!'
echo
exit 0 exit 0
;; ;;