sqlnet.ora / tnsname.ora / listener.ora not Access and not editing on Unix system with root and anybody user, Only follows some points.
1. login root
2. go location network admin through root
3. chmod 400 -R *
4. Bellow major command.
--You can set the "immutable" attribute with most filesystems in Linux.
chattr +i sqlnet.ora
--To remove the immutable attribute, you use - instead of +:
chattr -i sqlnet.ora
--To see the current attributes for a file, you can use lsattr:
lsattr sqlnet.ora
1. login root
2. go location network admin through root
3. chmod 400 -R *
4. Bellow major command.
--You can set the "immutable" attribute with most filesystems in Linux.
chattr +i sqlnet.ora
--To remove the immutable attribute, you use - instead of +:
chattr -i sqlnet.ora
--To see the current attributes for a file, you can use lsattr:
lsattr sqlnet.ora
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