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2022-07-27 ping: socket: Operation not permitted

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環境

発生した事象

Rocky Linux 環境を Vagrant box で作成し、 vagrant ユーザで SSH ログインして ping コマンドを実行したところ、「ping: socket: Operation not permitted」というエラーが出た。

root ユーザで実行したところ成功した。

[vagrant@localhost ~]$ ping -c1 8.8.8.8
ping: socket: Operation not permitted

[vagrant@localhost ~]$ sudo su -
Last login: Wed Jul 27 06:56:51 UTC 2022
[root@localhost ~]# ping -c1 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=114 time=15.3 ms

--- 8.8.8.8 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 15.282/15.282/15.282/0.000 ms

解決方法

chmod 4711 /usr/bin/ping

とコマンドを実行したところ、事象が解消された。

[root@localhost ~]# ls -l /usr/bin/ping
-rwxr-xr-x. 1 root root 67656 Apr 19 23:11 /usr/bin/ping
[root@localhost ~]# chmod 4711 /usr/bin/ping
[vagrant@localhost ~]$ ping -c1 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=114 time=16.2 ms

--- 8.8.8.8 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 16.238/16.238/16.238/0.000 ms
[vagrant@localhost ~]$ 

How to fix – ping: socket: Operation not permitted | Incredigeek

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