centos 7.4 docker

centos 7.4 docker

1.查看系统版本

cat /etc/redhat-release

CentOS Linux release 7.4.1708 (Core)

哈1

cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)

哈1-02

cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)

哈1-22

cat /etc/redhat-release

CentOS Linux release 7.9.2009 (Core)

11

http://mirrors.huaweicloud.com/centos/7.9.2009/isos/x86_64/
https://mirrors.aliyun.com/centos/7.9.2009/isos/x86_64/

22

CentOS系统安装好之后输入ifconfig指令无法查看ip解决办法
https://cloud.tencent.com/developer/article/2166182

33

yum install net-tools

sudo

CentOS 使用sudo命令
https://www.codenong.com/cs106705358/

修改密码

passwd 用户名

java

java -version
openjdk version “1.8.0_262”
OpenJDK Runtime Environment (build 1.8.0_262-b10)
OpenJDK 64-Bit Server VM (build 25.262-b10, mixed mode)

Centos7yum方式安装jdk8
https://blog.csdn.net/qq_44021627/article/details/134703279
centos7使用yum安装jdk8
https://www.jianshu.com/p/803e385a2790

手动部署Java Web环境（CentOS 7）
https://help.aliyun.com/zh/ecs/use-cases/manually-deploy-a-java-web-environment-on-a-centos-7-instance