环境变量及免密登录

环境变量配置

# vim ~/.bashrc

# 别名
alias ll='ls -lh'
alias vultr='ssh root@vultr.hepengju.com'
alias aws='ssh root@aws.hepengju.com'
alias tencent='ssh root@tencent.hepengju.com'
alias centos7='ssh root@192.168.180.100'
alias centos8='ssh root@192.168.180.180'

# 环境变量
export SOFT_HOME=/d/java
export JDK8_HOME=$SOFT_HOME/jdk1.8.0_191
export JDK11_HOME=$SOFT_HOME/jdk-11.0.4
export JDK12_HOME=$SOFT_HOME/jdk-12.0.2
export JDK13_HOME=$SOFT_HOME/jdk-13
export JAVA_HOME=$JDK8_HOME
export MAVEN_HOME=$SOFT_HOME/apache-maven-3.6.2
export PATH=$MAVEN_HOME/bin:$JAVA_HOME/bin:$PATH

 

免密登录

# 本机生成RSA密钥
ssh-kengen -t rsa

# 将公钥复制到远程机器
scp ~/.ssh/id_rsa.pub root@vultr.hepengju.com:~/

# 登录远程机器将公钥加入受信任的文件中
ssh root@vultr.hepengju.com
cat id_rsa.pub >> .ssh/authorized_keys

 

来源：https://www.cnblogs.com/hepengju/p/11644546.html