docker 离线安装

资源

# docker 19.03.8
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm \
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-19.03.8-3.el7.x86_64.rpm \
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-19.03.8-3.el7.x86_64.rpm
# docker-compose 1.3.1
https://github.com/docker/compose/releases/download/1.25.5/docker-compose-Linux-x86_64

配置本地光驱位安装源

mkdir -p /mnt/cdrom
mount /dev/cdrom /mnt/cdrom

## 修改源
### centos7
rm /etc/yum.repos.d/*.repo
mount /dev/sr0 -t iso9660 /media/cdrom
cat > /etc/yum.repos.d/CentOS-Media.repo << EOF
[c7-media]
name=CentOS-$releasever - Media
baseurl=file:///media/cdrom
gpgcheck=0
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

### centos8
rm /etc/yum.repos.d/*.repo
cat > /etc/yum.repos.d/CentOS-Media.repo << EOF
[c8-media-BaseOS]
name=CentOS-BaseOS-$releasever - Media
baseurl=file:///media/cdrom/BaseOS
gpgcheck=0
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial

[c8-media-AppStream]
name=CentOS-AppStream-$releasever - Media
baseurl=file:///media/cdrom/CentOS/AppStream
gpgcheck=0
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
EOF

## 重建cache
yum clean all
yum makecache
## 开机有效
echo "/dev/sr0    /media/cdrom     auto    defaults    0  0" >> /etc/fstab

intall_docker.sh

echo "---------------- docker 8.1 install rancher script -------------"
echo off
# 关闭selinux
#setenforce 0
#sudo sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
# 关闭防火墙
systemctl stop firewalld.service && systemctl disable firewalld.service
# 修改时区
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
# 系统语言
sudo echo 'LANG="en_US.UTF-8"' >> /etc/profile;source /etc/profile
# 关闭swap
swapoff -a && sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab

# 性能调优
cat >> /etc/sysctl.conf<<EOF
vm.swappiness = 0
kernel.sysrq = 1

net.ipv4.neigh.default.gc_stale_time = 120

# see details in https://help.aliyun.com/knowledge_detail/39428.html
net.ipv4.conf.all.rp_filter = 0
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.default.arp_announce = 2
net.ipv4.conf.lo.arp_announce = 2
net.ipv4.conf.all.arp_announce = 2

# see details in https://help.aliyun.com/knowledge_detail/41334.html
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_max_syn_backlog = 1024
net.ipv4.tcp_synack_retries = 2

net.ipv4.ip_forward=1
EOF
sysctl -p

# Docker
yum -y remove podman podman-manpages
yum -y install ./containerd.io-1.2.6-3.3.el7.x86_64.rpm
yum -y install ./docker-ce-cli-19.03.8-3.el7.x86_64.rpm
yum -y install ./docker-ce-19.03.8-3.el7.x86_64.rpm
# 启动服务
systemctl enable docker
systemctl start docker

# docker-compose
cp ./docker-compose /usr/local/bin/
chmod a+x /usr/local/bin/docker-compose
# docker 配置
mkdir -p /etc/docker
cat > /etc/docker/daemon.json << EOF
{
  "registry-mirrors":["https://rztad8kb.mirror.aliyuncs.com"],
  "storage-driver": "overlay2",
  "storage-opts": ["overlay2.override_kernel_check=true"]
}
{
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m",
    "max-file": "3"
  }
}
EOF
# 服务
systemctl restart docker