1
yum install -y yum-utils device-mapper-persistent-data lvm2
2
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

1
yum makecache fast          //更新yum缓存
2
yum -y install docker-ce
3
docker info                 //查看安装状态

1
systemctl start docker          //启动docker服务
2
systemctl status docker         //查看docker状态
3
systemctl enable docker         //设置docker开机启动

1
sudo mkdir -p /etc/docker
2
sudo tee /etc/docker/daemon.json <<-'EOF'
3
{
4
  "registry-mirrors": ["https://0o9w7e5n.mirror.aliyuncs.com"]
5
}
6
EOF
7
sudo systemctl daemon-reload
8
sudo systemctl restart docker

1
systemctl daemon-reload         //重新加载服务配置文件
2
systemctl restart docker        //重启Docker服务

1
docker search nginx             //查看Nginx可用版本
2
docker pull nginx:latest        //拉取镜像
3
docker images                   //查看本地镜像

1
docker run --name nginx-test -p 8080:80 -d nginx

1
curl -fOL https://github.com/cdr/code-server/releases/download/v4.4.0/code-server-4.4.0-amd64.rpm
2
sudo rpm -i code-server-4.4.0-amd64.rpm
3
sudo systemctl enable --now code-server@dreaife

1
sudo systemctl enable --now code-server@dreaife             //启动coder-server服务
2
sudo vi ~/.config/code-server/config.yaml                   //修改配置文件
3
sudo systemctl restart code-sercer@dreaife                  //重启code-server

1
sudo vi ~/.config/code-server/config.yaml                   //修改配置文件
2
sudo systemctl restart code-sercer@dreaife                  //重启code-server
3
firewall-cmd --zone=public --add-port=7777/tcp --permanent  //开放端口

1
#include<iostream>
2
#include<algorithm>
3
#include<string>
4
using namespace std;
5
typedef long long ll;
6
const int N = 1e5+10;
7
int n,a[N];
8
string s;
9
void solve(){
10
    cout<<"hello"<<endl;
11
}
12
int main(){
13
    int _;cin>>_;
14
    while(_--) solve();
15
    return 0;
16
}