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chattr 文件只读配置

经常看到有些文件有写权限还是说只读,这其实是因为该文件被chattr设置成只读了~ chattr可以防止关键文…

经常看到有些文件有写权限还是说只读,这其实是因为该文件被chattr设置成只读了~

chattr可以防止关键文件被修改

在linux下,有些配置文件是不允许任何人包括root修改的,为了防止被误删除或修改,可以设定该文件的”不可修改位(immutable)”。

例如:
chattr +i /etc/fstab
如果需要修改文件则:
chattr -i /etc/fstab
以后再修改文件。

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