怎么干净的卸载docker
今天小编给大家分享一下怎么干净的卸载docker的相关知识点，内容详细，逻辑清晰，相信大部分人都还太了解这方面的知识，所以分享这篇文章给大家参考一下，希望大家阅读完这篇文章后有所收获，下面我们一起来了解一下吧。
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先上服务器环境信息：
卸载的原因：
宿主机过段时间就磁盘100%了，导致continart异常退出，后来找了很多解决方案，才发现是安装docker的时候有个配置文件错误（正常的应该是|storage driver: overlay2）。
上干货：
①卸载
yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-selinux \ docker-engine-selinux \ docker-engine rm -rf /etc/systemd/system/docker.service.d rm -rf /var/lib/docker rm -rf /var/run/docker
②安装
#!/bin/sh
set -e
# this script is meant for quick & easy install via:
# $ curl -fssl get.docker.com -o get-docker.sh
# $ sh get-docker.sh
#
# for test builds (ie. release candidates):
# $ curl -fssl test.docker.com -o test-docker.sh
# $ sh test-docker.sh
#
# note: make sure to verify the contents of the script
# you downloaded matches the contents of install.sh
# located at https://github.com/docker/docker-install
# before executing.
#
# git commit from https://github.com/docker/docker-install when
# the script was uploaded (should only be modified by upload job):
script_commit_sha=36b78b2
# this value will automatically get changed for:
# * edge
# * test
# * experimental
default_channel_value="edge"
if [ -z "$channel" ]; then
channel=$default_channel_value
fi
default_download_url="https://download.docker.com"
if [ -z "$download_url" ]; then
download_url=$default_download_url
fi
default_repo_file="docker-ce.repo"
if [ -z "$repo_file" ]; then
repo_file="$default_repo_file"
fi
support_map="
x86_64-centos-7
x86_64-fedora-26
x86_64-fedora-27
x86_64-fedora-28
x86_64-debian-wheezy
x86_64-debian-jessie
x86_64-debian-stretch
x86_64-debian-buster
x86_64-ubuntu-trusty
x86_64-ubuntu-xenial
x86_64-ubuntu-bionic
x86_64-ubuntu-artful
s390x-ubuntu-xenial
s390x-ubuntu-bionic
s390x-ubuntu-artful
ppc64le-ubuntu-xenial
ppc64le-ubuntu-bionic
ppc64le-ubuntu-artful
aarch64-ubuntu-xenial
aarch64-ubuntu-bionic
aarch64-debian-jessie
aarch64-debian-stretch
aarch64-debian-buster
aarch64-fedora-26
aarch64-fedora-27
aarch64-fedora-28
aarch64-centos-7
armv6l-raspbian-jessie
armv7l-raspbian-jessie
armv6l-raspbian-stretch
armv7l-raspbian-stretch
armv7l-debian-jessie
armv7l-debian-stretch
armv7l-debian-buster
armv7l-ubuntu-trusty
armv7l-ubuntu-xenial
armv7l-ubuntu-bionic
armv7l-ubuntu-artful
"
mirror=''
dry_run=${dry_run:-}
while [ $# -gt 0 ]; do
case "$1" in
--mirror)
mirror="$2"
shift
;;
--dry-run)
dry_run=1
;;
--*)
echo "illegal option $1"
;;
esac
shift $(( $# > 0 ? 1 : 0 ))
done
case "$mirror" in
aliyun)
download_url="https://mirrors.aliyun.com/docker-ce"
;;
azurechinacloud)
download_url="https://mirror.azure.cn/docker-ce"
;;
esac
command_exists() {
command -v "$@" > /dev/null 2>&1
}
is_dry_run() {
if [ -z "$dry_run" ]; then
return 1
else
return 0
fi
}
deprecation_notice() {
distro=$1
date=$2
echo
echo "deprecation warning:"
echo " the distribution, $distro, will no longer be supported in this script as of $date."
echo " if you feel this is a mistake please submit an issue at https://github.com/docker/docker-install/issues/new"
echo
sleep 10
}
get_distribution() {
lsb_dist=""
# every system that we officially support has /etc/os-release
if [ -r /etc/os-release ]; then
lsb_dist="$(. /etc/os-release && echo "$id")"
fi
# returning an empty string here should be alright since the
# case statements don't act unless you provide an actual value
echo "$lsb_dist"
}
add_debian_backport_repo() {
debian_version="$1"
backports="deb http://ftp.debian.org/debian $debian_version-backports main"
if ! grep -fxq "$backports" /etc/apt/sources.list; then
(set -x; $sh_c "echo \"$backports\" >> /etc/apt/sources.list")
fi
}
echo_docker_as_nonroot() {
if is_dry_run; then
return
fi
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
$sh_c 'docker version'
) || true
fi
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-eof", spaces are kept in the output
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 $your_user"
echo
echo "remember that you will have to log out and back in for this to take effect!"
echo
echo "warning: adding a user to the \"docker\" group will grant the ability to run"
echo " containers which can be used to obtain root privileges on the"
echo " docker host."
echo " refer to https://docs.docker.com/engine/security/security/#docker-daemon-attack-surface"
echo " for more information."
}
# check if this is a forked linux distro
check_forked() {
# check for lsb_release command existence, it usually exists in forked distros
if command_exists lsb_release; then
# check if the `-u` option is supported
set +e
lsb_release -a -u > /dev/null 2>&1
lsb_release_exit_code=$?
set -e
# check if the command has exited successfully, it means we're in a forked distro
if [ "$lsb_release_exit_code" = "0" ]; then
# print info about current distro
cat <<-eof
you're using '$lsb_dist' version '$dist_version'.
eof
# get the upstream release info
lsb_dist=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -e 'id' | cut -d ':' -f 2 | tr -d '[:space:]')
dist_version=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -e 'codename' | cut -d ':' -f 2 | tr -d '[:space:]')
# print info about upstream distro
cat <<-eof
upstream release is '$lsb_dist' version '$dist_version'.
eof
else
if [ -r /etc/debian_version ] && [ "$lsb_dist" != "ubuntu" ] && [ "$lsb_dist" != "raspbian" ]; then
if [ "$lsb_dist" = "osmc" ]; then
# osmc runs raspbian
lsb_dist=raspbian
else
# we're debian and don't even know it!
lsb_dist=debian
fi
dist_version="$(sed 's/\/.*//' /etc/debian_version | sed 's/\..*//')"
case "$dist_version" in
9)
dist_version="stretch"
;;
8|'kali linux 2')
dist_version="jessie"
;;
7)
dist_version="wheezy"
;;
esac
fi
fi
fi
}
semverparse() {
major="${1%%.*}"
minor="${1#$major.}"
minor="${minor%%.*}"
patch="${1#$major.$minor.}"
patch="${patch%%[-.]*}"
}
ee_notice() {
echo
echo
echo " warning: $1 is now only supported by docker ee"
echo " check https://store.docker.com for information on docker ee"
echo
echo
}
do_install() {
echo "# executing docker install script, commit: $script_commit_sha"
if command_exists docker; then
docker_version="$(docker -v | cut -d ' ' -f3 | cut -d ',' -f1)"
major_w=1
minor_w=10
semverparse "$docker_version"
shouldwarn=0
if [ "$major" -lt "$major_w" ]; then
shouldwarn=1
fi
if [ "$major" -le "$major_w" ] && [ "$minor" -lt "$minor_w" ]; then
shouldwarn=1
fi
cat >&2 <<-'eof'
warning: the "docker" command appears to already exist on this system.
if you already have docker installed, this script can cause trouble, which is
why we're displaying this warning and provide the opportunity to cancel the
installation.
if you installed the current docker package using this script and are using it
eof
if [ $shouldwarn -eq 1 ]; then
cat >&2 <<-'eof'
again to update docker, we urge you to migrate your image store before upgrading
to v1.10+.
you can find instructions for this here:
https://github.com/docker/docker/wiki/engine-v1.10.0-content-addressability-migration
eof
else
cat >&2 <<-'eof'
again to update docker, you can safely ignore this message.
eof
fi
cat >&2 <<-'eof'
you may press ctrl+c now to abort this script.
eof
( set -x; sleep 20 )
fi
user="$(id -un 2>/dev/null || true)"
sh_c='sh -c'
if [ "$user" != 'root' ]; then
if command_exists sudo; then
sh_c='sudo -e sh -c'
elif command_exists su; then
sh_c='su -c'
else
cat >&2 <<-'eof'
error: this installer needs the ability to run commands as root.
we are unable to find either "sudo" or "su" available to make this happen.
eof
exit 1
fi
fi
if is_dry_run; then
sh_c="echo"
fi
# perform some very rudimentary platform detection
lsb_dist=$( get_distribution )
lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"
case "$lsb_dist" in
ubuntu)
if command_exists lsb_release; then
dist_version="$(lsb_release --codename | cut -f2)"
fi
if [ -z "$dist_version" ] && [ -r /etc/lsb-release ]; then
dist_version="$(. /etc/lsb-release && echo "$distrib_codename")"
fi
;;
debian|raspbian)
dist_version="$(sed 's/\/.*//' /etc/debian_version | sed 's/\..*//')"
case "$dist_version" in
9)
dist_version="stretch"
;;
8)
dist_version="jessie"
;;
7)
dist_version="wheezy"
;;
esac
;;
centos)
if [ -z "$dist_version" ] && [ -r /etc/os-release ]; then
dist_version="$(. /etc/os-release && echo "$version_id")"
fi
;;
rhel|ol|sles)
ee_notice "$lsb_dist"
exit 1
;;
*)
if command_exists lsb_release; then
dist_version="$(lsb_release --release | cut -f2)"
fi
if [ -z "$dist_version" ] && [ -r /etc/os-release ]; then
dist_version="$(. /etc/os-release && echo "$version_id")"
fi
;;
esac
# check if this is a forked linux distro
check_forked
# check if we actually support this configuration
if ! echo "$support_map" | grep "$(uname -m)-$lsb_dist-$dist_version" >/dev/null; then
cat >&2 <<-'eof'
either your platform is not easily detectable or is not supported by this
installer script.
please visit the following url for more detailed installation instructions:
https://docs.docker.com/engine/installation/
eof
exit 1
fi
# run setup for each distro accordingly
case "$lsb_dist" in
ubuntu|debian|raspbian)
pre_reqs="apt-transport-https ca-certificates curl"
if [ "$lsb_dist" = "debian" ]; then
if [ "$dist_version" = "wheezy" ]; then
add_debian_backport_repo "$dist_version"
fi
# libseccomp2 does not exist for debian jessie main repos for aarch64
if [ "$(uname -m)" = "aarch64" ] && [ "$dist_version" = "jessie" ]; then
add_debian_backport_repo "$dist_version"
fi
fi
# todo: august 31, 2018 delete from here,
if [ "$lsb_dist" = "ubuntu" ] && [ "$dist_version" = "artful" ]; then
deprecation_notice "$lsb_dist $dist_version" "august 31, 2018"
fi
# todo: august 31, 2018 delete to here,
if ! command -v gpg > /dev/null; then
pre_reqs="$pre_reqs gnupg"
fi
apt_repo="deb [arch=$(dpkg --print-architecture)] $download_url/linux/$lsb_dist $dist_version $channel"
(
if ! is_dry_run; then
set -x
fi
$sh_c 'apt-get update -qq >/dev/null'
$sh_c "apt-get install -y -qq $pre_reqs >/dev/null"
$sh_c "curl -fssl \"$download_url/linux/$lsb_dist/gpg\" | apt-key add -qq - >/dev/null"
$sh_c "echo \"$apt_repo\" > /etc/apt/sources.list.d/docker.list"
if [ "$lsb_dist" = "debian" ] && [ "$dist_version" = "wheezy" ]; then
$sh_c 'sed -i "/deb-src.*download\.docker/d" /etc/apt/sources.list.d/docker.list'
fi
$sh_c 'apt-get update -qq >/dev/null'
)
pkg_version=""
if [ ! -z "$version" ]; then
if is_dry_run; then
echo "# warning: version pinning is not supported in dry_run"
else
# will work for incomplete versions ie (17.12), but may not actually grab the "latest" if in the test channel
pkg_pattern="$(echo "$version" | sed "s/-ce-/~ce~.*/g" | sed "s/-/.*/g").*-0~$lsb_dist"
search_command="apt-cache madison 'docker-ce' | grep '$pkg_pattern' | head -1 | cut -d' ' -f 4"
pkg_version="$($sh_c "$search_command")"
echo "info: searching repository for version '$version'"
echo "info: $search_command"
if [ -z "$pkg_version" ]; then
echo
echo "error: '$version' not found amongst apt-cache madison results"
echo
exit 1
fi
pkg_version="=$pkg_version"
fi
fi
(
if ! is_dry_run; then
set -x
fi
$sh_c "apt-get install -y -qq --no-install-recommends docker-ce$pkg_version >/dev/null"
)
echo_docker_as_nonroot
exit 0
;;
centos|fedora)
yum_repo="$download_url/linux/$lsb_dist/$repo_file"
if ! curl -ifs "$yum_repo" > /dev/null; then
echo "error: unable to curl repository file $yum_repo, is it valid?"
exit 1
fi
if [ "$lsb_dist" = "fedora" ]; then
if [ "$dist_version" -lt "26" ]; then
echo "error: only fedora >=26 are supported"
exit 1
fi
pkg_manager="dnf"
config_manager="dnf config-manager"
enable_channel_flag="--set-enabled"
pre_reqs="dnf-plugins-core"
pkg_suffix="fc$dist_version"
else
pkg_manager="yum"
config_manager="yum-config-manager"
enable_channel_flag="--enable"
pre_reqs="yum-utils"
pkg_suffix="el"
fi
(
if ! is_dry_run; then
set -x
fi
$sh_c "$pkg_manager install -y -q $pre_reqs"
$sh_c "$config_manager --add-repo $yum_repo"
if [ "$channel" != "stable" ]; then
$sh_c "$config_manager $enable_channel_flag docker-ce-$channel"
fi
$sh_c "$pkg_manager makecache"
)
pkg_version=""
if [ ! -z "$version" ]; then
if is_dry_run; then
echo "# warning: version pinning is not supported in dry_run"
else
pkg_pattern="$(echo "$version" | sed "s/-ce-/\\\\.ce.*/g" | sed "s/-/.*/g").*$pkg_suffix"
search_command="$pkg_manager list --showduplicates 'docker-ce' | grep '$pkg_pattern' | tail -1 | awk '{print \$2}'"
pkg_version="$($sh_c "$search_command")"
echo "info: searching repository for version '$version'"
echo "info: $search_command"
if [ -z "$pkg_version" ]; then
echo
echo "error: '$version' not found amongst $pkg_manager list results"
echo
exit 1
fi
# cut out the epoch and prefix with a '-'
pkg_version="-$(echo "$pkg_version" | cut -d':' -f 2)"
fi
fi
(
if ! is_dry_run; then
set -x
fi
$sh_c "$pkg_manager install -y -q docker-ce$pkg_version"
)
echo_docker_as_nonroot
exit 0
;;
esac
exit 1
}
# wrapped up in a function so that we have some protection against only getting
# half the file during "curl | sh"
do_installchmod +x getdocker.sh ./getdocker.sh -s docker --mirror aliyun
getdocker.sh 文件内容在上个代码区域
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