225 lines
6.6 KiB
Bash
225 lines
6.6 KiB
Bash
#!/bin/bash
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# This is a modified version of /usr/share/lxc/templates/lxc-openmandriva
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# that comes with OpenMandriva changed to suit vagrant-lxc needs
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#
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# template script for generating openmandriva container for LXC
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#
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#
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# lxc: linux Container library
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# Authors:
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# Alexander Khryukin <alexander@mezon.ru>
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# Vokhmin Alexey V <avokhmin@gmail.com>
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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set -e
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if [ -r /etc/default/lxc ]; then
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. /etc/default/lxc
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fi
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extract_rootfs()
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{
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tarball=$1
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arch=$2
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rootfs=$3
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echo "Extracting $tarball ..."
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mkdir -p $(dirname $rootfs)
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(cd `dirname $rootfs` && tar xfz $tarball)
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return 0
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}
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install_openmandriva()
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{
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rootfs=$1
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release=$2
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tarball=$3
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mkdir -p /var/lock/subsys/
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(
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flock -x 200
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if [ $? -ne 0 ]; then
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echo "Cache repository is busy."
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return 1
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fi
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extract_rootfs $tarball $arch $rootfs
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if [ $? -ne 0 ]; then
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echo "Failed to copy rootfs"
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return 1
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fi
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return 0
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) 200>/var/lock/subsys/lxc
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return $?
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}
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copy_configuration()
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{
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path=$1
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rootfs=$2
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name=$3
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grep -q "^lxc.rootfs" $path/config 2>/dev/null || echo "lxc.rootfs = $rootfs" >> $path/config
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# if there is exactly one veth network entry, make sure it has an
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# associated hwaddr.
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nics=`grep -e '^lxc\.network\.type[ \t]*=[ \t]*veth' $path/config | wc -l`
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if [ $nics -eq 1 ]; then
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grep -q "^lxc.network.hwaddr" $path/config || sed -i -e "/^lxc\.network\.type[ \t]*=[ \t]*veth/a lxc.network.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')" $path/config
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fi
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if [ $? -ne 0 ]; then
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echo "Failed to add configuration"
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return 1
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fi
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return 0
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}
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post_process()
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{
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rootfs=$1
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# rmdir /dev/shm for containers that have /run/shm
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# I'm afraid of doing rm -rf $rootfs/dev/shm, in case it did
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# get bind mounted to the host's /run/shm. So try to rmdir
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# it, and in case that fails move it out of the way.
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if [ ! -L $rootfs/dev/shm ] && [ -d $rootfs/run/shm ] && [ -e $rootfs/dev/shm ]; then
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mv $rootfs/dev/shm $rootfs/dev/shm.bak
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ln -s /run/shm $rootfs/dev/shm
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fi
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}
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usage()
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{
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cat <<EOF
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usage:
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$1 -n|--name=<container_name>
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[-p|--path=<path>] [-c|--clean] [-R|--release=<openmandriva2013.0/rosa2012.1/cooker/ release>]
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[-4|--ipv4=<ipv4 address>] [-6|--ipv6=<ipv6 address>]
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[-g|--gw=<gw address>] [-d|--dns=<dns address>]
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[-P|--profile=<name of the profile>] [--rootfs=<path>]
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[-A|--arch=<arch of the container>]
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[-T|--tarball <tarball path>]
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[-S|--auth-key <auth-key path>]
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[-h|--help]
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Mandatory args:
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-n,--name container name, used to as an identifier for that container from now on
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Optional args:
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-p,--path path to where the container rootfs will be created, defaults to /var/lib/lxc. The container config will go under /var/lib/lxc in that case
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-c,--clean clean the cache
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-R,--release openmandriva2013.0/cooker/rosa2012.1 release for the new container. if the host is OpenMandriva, then it will default to the host's release.
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-4,--ipv4 specify the ipv4 address to assign to the virtualized interface, eg. 192.168.1.123/24
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-6,--ipv6 specify the ipv6 address to assign to the virtualized interface, eg. 2003:db8:1:0:214:1234:fe0b:3596/64
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-g,--gw specify the default gw, eg. 192.168.1.1
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-G,--gw6 specify the default gw, eg. 2003:db8:1:0:214:1234:fe0b:3596
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-d,--dns specify the DNS server, eg. 192.168.1.2
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-P,--profile Profile name is the file name in /etc/lxc/profiles contained packages name for install to cache.
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-A,--arch Define what arch the container will be [i586,x86_64,armv7l,armv7hl]
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---rootfs rootfs path
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-h,--help print this help
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EOF
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return 0
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}
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options=$(getopt -o hp:n:P:cR:4:6:g:d:A:S:T: -l help,rootfs:,path:,name:,profile:,clean:,release:,ipv4:,ipv6:,gw:,dns:,arch:,auth-key:,tarball: -- "$@")
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if [ $? -ne 0 ]; then
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usage $(basename $0)
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exit 1
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fi
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eval set -- "$options"
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# doesn't use
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release=${release:-"cooker"}
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hostarch=$(uname -m)
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while true
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do
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case "$1" in
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-h|--help) usage $0 && exit 0;;
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-p|--path) path=$2; shift 2;;
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--rootfs) rootfs_path=$2; shift 2;;
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-n|--name) name=$2; shift 2;;
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-P|--profile) profile=$2; shift 2;;
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-c|--clean) clean=$2; shift 2;;
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-R|--release) release=$2; shift 2;;
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-T|--tarball) tarball=$2; shift 2;;
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-S|--auth-key) auth_key=$2; shift 2;;
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-A|--arch) arch=$2; shift 2;;
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-4|--ipv4) ipv4=$2; shift 2;;
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-6|--ipv6) ipv6=$2; shift 2;;
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-g|--gw) gw=$2; shift 2;;
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-d|--dns) dns=$2; shift 2;;
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--) shift 1; break ;;
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*) break ;;
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esac
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done
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arch=${arch:-$hostarch}
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if [ $hostarch = "i586" -a $arch = "x86_64" ]; then
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echo "can't create x86_64 container on i586"
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exit 1
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fi
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if [ -z "$path" ]; then
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echo "'path' parameter is required"
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exit 1
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fi
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if [ "$(id -u)" != "0" ]; then
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echo "This script should be run as 'root'"
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exit 1
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fi
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# detect rootfs
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config="$path/config"
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# if $rootfs exists here, it was passed in with --rootfs
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if [ -z "$rootfs" ]; then
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if grep -q '^lxc.rootfs' $config 2>/dev/null ; then
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rootfs=`grep 'lxc.rootfs =' $config | awk -F= '{ print $2 }'`
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else
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rootfs=$path/rootfs
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fi
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fi
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install_openmandriva $rootfs $release $tarball
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if [ $? -ne 0 ]; then
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echo "failed to install openmandriva $release"
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exit 1
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fi
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copy_configuration $path $rootfs $name $arch
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if [ $? -ne 0 ]; then
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echo "failed write configuration file"
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exit 1
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fi
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post_process $rootfs $release
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echo ""
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echo "##"
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echo "# The default user is 'vagrant' with password 'vagrant'!"
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echo "# Use the 'sudo' command to run tasks as root in the container."
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echo "##"
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echo ""
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