摘要: [root@db-gitlab-harbor ~]# cat /tmp/ports.txt 192.168.0.1 22 127.0.0.1 22 127.0.0.1 222 [root@db-gitlab-harbor ~]# [root@db-gitlab-harbor ~]# cat teln 阅读全文
posted @ 2020-08-21 21:04 pwcc 阅读(580) 评论(0) 推荐(0)
摘要: [root@node1 ~]# cat a.sh #! /bin/bash read -p "please input:" a b expr $a + $b [root@node1 ~]# sh a.sh please input:a b expr: 非整数参数 [root@node1 ~]# [r 阅读全文
posted @ 2020-08-21 20:32 pwcc 阅读(194) 评论(0) 推荐(0)