1. #! /bin/bash
    2. wget -qO- http://10.68.100.85/prod/prod-rhel-server.repo >/etc/yum.repos.d/prod-rhel-server.repo
    3. yum clean all >/dev/null 2>&1  && yum makecache >/dev/null 2>&1 
    4. os=`cat /etc/redhat-release|sed -r 's/.* ([0-9]+)\..*/\1/'`
    5. if [ $os == 7 ]; then
    6. yum update sudo vim wget -y >/dev/null 2>&1
    7. fi
    1. 查看软件版本
    2. [root@prod-ecs-sync-nfs-server01 ~]# rpm -qa sudo bash wget 
    3. bash-4.2.46-28.el7.x86_64
    4. sudo-1.8.19p2-10.el7.x86_64
    5. wget-1.14-15.el7.x86_64
    7. 验证脚本：
    9. [root@prod-ecs-sync-nfs-server01 ~]# curl http://10.68.100.85/prod/sudo-bash-wget-update.sh
    10. #! /bin/bash
    11. wget -qO- http://10.68.100.85/prod/prod-rhel-server.repo >/etc/yum.repos.d/prod-rhel-server.repo
    12. yum clean all >/dev/null 2>&1  && yum makecache >/dev/null 2>&1 
    13. os=`cat /etc/redhat-release|sed -r 's/.* ([0-9]+)\..*/\1/'`
    14. if [ $os == 7 ]; then
    15. yum update sudo vim wget -y >/dev/null 2>&1
    16. fi
    19. 升级：
    21. [root@prod-ecs-sync-nfs-server01 ~]# wget -qO- http://10.68.100.85/prod/sudo-bash-wget-update.sh |bash
    23. 软件版本验证：
    25. [root@prod-ecs-sync-nfs-server01 ~]# rpm -qa sudo bash wget 
    26. bash-4.2.46-28.el7.x86_64
    27. wget-1.14-18.el7_6.1.x86_64
    28. sudo-1.9.5-3.el7.x86_64