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Diffstat (limited to 'docs/mdev.txt')
| -rw-r--r-- | docs/mdev.txt | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/docs/mdev.txt b/docs/mdev.txt index 7bd00fe1b..2d03bd8b2 100644 --- a/docs/mdev.txt +++ b/docs/mdev.txt @@ -51,8 +51,8 @@ device nodes if your system needs something more than the default root/root 660 permissions. The file has the format: - <device regex> <uid>:<gid> <octal permissions> - or @<maj[,min1[-min2]]> <uid>:<gid> <octal permissions> + <device regex> <uid>:<gid> <permissions> + or @<maj[,min1[-min2]]> <uid>:<gid> <permissions> For example: hd[a-z][0-9]* 0:3 660 @@ -63,7 +63,7 @@ create your own total match like so: .* 1:1 777 You can rename/move device nodes by using the next optional field. - <device regex> <uid>:<gid> <octal permissions> [=path] + <device regex> <uid>:<gid> <permissions> [=path] So if you want to place the device node into a subdirectory, make sure the path has a trailing /. If you want to rename the device node, just place the name. hda 0:3 660 =drives/ @@ -74,11 +74,17 @@ This will rename "hdb" to "cdrom". Similarly, ">path" renames/moves the device but it also creates a direct symlink /dev/DEVNAME to the renamed/moved device. +You can also prevent creation of device nodes with the 4th field as "!": + tty[a-z]. 0:0 660 ! + pty[a-z]. 0:0 660 ! + If you also enable support for executing your own commands, then the file has the format: - <device regex> <uid>:<gid> <octal permissions> [=path] [@|$|*<command>] + <device regex> <uid>:<gid> <permissions> [=path] [@|$|*<command>] + or + <device regex> <uid>:<gid> <permissions> [>path] [@|$|*<command>] or - <device regex> <uid>:<gid> <octal permissions> [>path] [@|$|*<command>] + <device regex> <uid>:<gid> <permissions> [!] [@|$|*<command>] For example: ---8<--- |