Can you symlink a symlink?
Can you symlink a symlink?
3 Answers. In general, no. Technically, there will be a very slight performance hit for the indirection, but it won’t be noticeable to your application. As an example, most shared libraries are symlinks to symlinks (e.g. libQtCore.so -> libQtCore.
What is the command used to remove immutable file?
chattr (Change Attribute) is a command line Linux utility that is used to set/unset certain attributes to a file in Linux system to secure accidental deletion or modification of important files and folders, even though you are logged in as a root user.
How do you make a folder immutable?
To make the files immutable, “chattr” command can be used. The filesystems in Linux ext2, ext3, ext4, btrfs supports all the flags, however all the flags won’t support all non-native FS. One cannot delete or modify file/folder once attributes are sets with chattr command, even though you have full permission.
What does a symlink do?
A symbolic link, also termed a soft link, is a special kind of file that points to another file, much like a shortcut in Windows or a Macintosh alias. Unlike a hard link, a symbolic link does not contain the data in the target file. It simply points to another entry somewhere in the file system.
What does the immutable bit to a file?
Making the file immutable by associating the immutable bit attribute to it prohibits even the root user from deleting it.
What is an immutable file?
An immutable file cannot be changed or renamed. An appendOnly file allows append operations, but not delete, modify, or rename operations. An immutable directory cannot be deleted or renamed, and files cannot be added or deleted under such a directory.
How do I make a folder Undeletable?
In this article, we’ll show how to make directories or files unremovable even by the root user in Linux. To make a file undeletable by any system user, including root, you need to make it unmodifiable using using the chattr command. This command changes file attributes on a Linux file system.
What does the immutable bit do to a file?
How to make all files immutable in chattr?
To secure entire directory and its files, we use ‘ -R ‘ (recursively) switch with ‘ +i ‘ flag along with full path of the folder. After setting recursively attribute, try to delete the folder and its files. To unset permission, we use same ‘-R’ (recursively) switch with ‘-i’ flag along with full path of the folder. That’s it!
How to use the chattr command in Linux?
Basically, the chattr command is used to change file attributes on a Linux file system. Following is its syntax: chattr [ -RVf ] [ -v version ] [ mode ] files… And here’s what the man page says about it:
Can a chattr be set or unset by lsattr?
The following attributes are read-only. They cannot be set or unset by chattr, but can be listed by lsattr. The filesystem is not able to automatically compress this file. The file is storing its blocks in units of the filesystem’s blocksize instead of in sectors. The file is, or previously was, larger than 2 TB.
How to use chattr to change file attributes?
Basically, the chattr command is used to change file attributes on a Linux file system. Following is its syntax: chattr [ -RVf ] [ -v version ] [ mode ] files… And here’s what the man page says about it: chattr changes the file attributes on a Linux file system.