Vic*_*r S 3 filesystem process
$ sudo echo 1 >/proc/sys/net/ipv4/ip_forward
bash: /proc/sys/net/ipv4/ip_forward: Permission denied
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然后我尝试获得写入权限,也失败了。
$ sudo chmod a+wx /proc/sys/net/ipv4/ip_forward
chmod: changing permissions of `/proc/sys/net/ipv4/ip_forward': Operation not permitted
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怎么了?
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