docker容器中不能ping
妙音
posted @ 2018年6月10日 06:40
in docker
, 12010 阅读
- 描述
进入容器内,执行ping命令,提示缺少权限
docker exec -it deac /bin/bash bash-4.3$ ping 192.168.1.100 PING 192.168.1.100 (192.168.10.100): 56 data bytes ping: permission denied (are you root?)
- 首先,查看当前用户
bash-4.3$ whoami jenkins
- 然后,再看看文件权限
缺少权限创建socket
# 查看ping权限 bash-4.3# ls -lsh /bin/ping 0 lrwxrwxrwx 1 root root 12 May 9 2017 /bin/ping -> /bin/busybox #查看ping连接文件的权限 bash-4.3$ ls -lhs /bin/busybox 804K -rwr-xr-x 1 root root 803K Oct 26 2016 /bin/busybox
- 方法一,临时方式,以root用户登录
docker exec -u root -it deac /bin/bash
- 方法二,永久,添加s权限
#添加权限 chmod u+s /bin/ping # 让用户在执行ping时,暂时拥有权限 #再查看权限 bash-4.3$ ls -lsh /bin/busybox 804K -rwsr-xr-x 1 root root 803K Oct 26 2016 /bin/busybox
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