I have created a new data partition for a Ubuntu/Debian dual boot
system, using gparted from the Debian 4 installation.
Now I have to figure out how to make the new data partition accessible.
chmod (from the Debian system) seems to be designed to frustrate.
it used to be that using a syntax like
chmod 777 <target>
would make a file/directory able to be written to and read from (and executed)
by anyone.
I know that is how the syntax used to be, because I remember a person (on a
UNIX system) losing his account, when he accidentally entered
chmod .
, which changed his . file permissions to zero, and not even the sysadmin could
save his account, so he had to be issued with a new account.
And, I have used the numbers for permissions in Linux, when I have previously
had to change permissions, when FTP'ing files up to web sites.
Now, it seems, that doesn't work anymore, and I can't figure out how to make
chmod work.
I have tried using what I understand to be the required syntax from "man
chmod" for Debian 4, but I can't get it to work. It returns errors for
the syntax.
If I use the format above, no error is returned; it just doesn't do
anything.
"
chmod 777 /data
bretnewworkstation:~# ls -l /data
total 16
drwx------ 2 root root 16384 2009-04-02 17:34 lost+found
"
Attempts:
"
bretnewworkstation:~# chmod 777 /data
bretnewworkstation:~# ls -l /data
total 16
drwx------ 2 root root 16384 2009-04-02 17:34 lost+found
bretnewworkstation:~# chmod rwxXstugoa /data
chmod: invalid mode: `rwxXstugoa'
Try `chmod --help' for more information.
bretnewworkstation:~# chmod +rwxXstugoa /data
chmod: invalid mode: `+rwxXstugoa'
Try `chmod --help' for more information.
bretnewworkstation:~# chmod --help
Usage: chmod [OPTION]... MODE[,MODE]... FILE...
or: chmod [OPTION]... OCTAL-MODE FILE...
or: chmod [OPTION]... --reference=RFILE FILE...
Change the mode of each FILE to MODE.
-c, --changes like verbose but report only when a change is
made
--no-preserve-root do not treat `/' specially (the default)
--preserve-root fail to operate recursively on `/'
-f, --silent, --quiet suppress most error messages
-v, --verbose output a diagnostic for every file processed
--reference=RFILE use RFILE's mode instead of MODE values
-R, --recursive change files and directories recursively
--help display this help and exit
--version output version information and exit
Each MODE is of the form `[ugoa]*([-+=]([rwxXst]*|[ugo]))+'.
Report bugs to <bug-coreut...@gnu.org>.
bretnewworkstation:~# chmod ugoa*+ rwx /data
chmod: invalid mode: `ugoa*+'
Try `chmod --help' for more information.
bretnewworkstation:~# chmod ugoa*+ rwx /dev/hda8
chmod: invalid mode: `ugoa*+'
Try `chmod --help' for more information.
"
The current status of the partition is:
"
ls -l /data
total 16
drwx------ 2 root root 16384 2009-04-02 17:34 lost+found
"
The Debian fstab entry (I edited the fstab file, to incorporate the partition,
from the Debian side) is
"
/dev/hdc8 /data ext3 defaults 0 0
"
Any helpful suggestions would be appreciated.
--
Bret Busby
Armadale
West Australia
..............
"So once you do know what the question actually is,
you'll know what the answer means."
- Deep Thought,
Chapter 28 of Book 1 of
"The Hitchhiker's Guide to the Galaxy:
A Trilogy In Four Parts",
written by Douglas Adams,
published by Pan Books, 1992
....................................................
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