Resolv.conf File Property Modification

resolv.conf Non-rewritable modification method

A few days ago has been resolv.conf files, files can not be written, deleted and other operations, the content of the previous write processing, is disturbing the heart, a detailed view of the situation today, found that reslov.conf has the attributes of I, which is the culprit.

1、查看文件具体属性

lsattr /etc/resolv.conf

      Default file is not property, if there is a property I, you cannot modify, delete, modify the owner of the

2、利用chattr命令进行更改

   chattr -i /etc/resolv.conf

But prompt command not found

See/usr/bin found here no CHATRR did not change the command, think of the previous system has been compromised, may have been deleted

Using SCP commands from other servers to copy a chattr command come on, run again, fix it.




Resolv.conf File Property Modification