05-17-2012
Thank you for your information.
10 More Discussions You Might Find Interesting
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Can someone pleas tell me if there is something funny when it comes to unix permissions and PHP. When php creates a file in unix the owner is nobody...does this raise any issues, and if it does could someone please tell me a web site where I could read more about this. Thanks alot.
John (2 Replies)
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Can anyone help explain the "s" in the below permissions example. I was reading about the "sticky bit" (t) but I am a little confused.
On file "test"
wolf% chmod 4777 test
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total 4
drwx------ 2 john staff 512 Mar 19 21:34 nsmail
-rwsrwxrwx 1 john staff ... (2 Replies)
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I saved a perl code in xemacs. I used an xterminal to execute it but unix said that I don't have permission. I saved the files in my home directory. How do I change the permission. This is hat unix said:
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to prohibit 'others' from deleting files, what should we omit: write or execute?
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Hi,
I have a challenging task,in which i have to find the duplicate files by its name and size,then i need to take anyone of the file.Then i need to open the file and find for more than one pattern and count of that pattern.
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6. HP-UX
Hi,
I am a Unix Admin. I have to give the permissions to a user for creating new file in a directory in HP-Ux 11.11 system since he cannot able to create a new file in the directory.
Thanks in advance.
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7. Shell Programming and Scripting
I have a cron on a Linux server that isn't executing properly.
CRON (with specific info replaced):
MAILTO=emailaddress@server.com
*/2 * * * * python /data/site/cron.py
OUTPUT:
python: can't open file '/data/site/cron.py
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8. Shell Programming and Scripting
My /tmp is set with the following permissions (777) and a 't' at the end.
My umask is set to 022.
When I create a directory under /tmp (tmp/xx) it gets created as 755
as expected.
Yet when I create a file within that directory (/tmp/xx/yy) the permissions
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... (1 Reply)
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Hi, I am creating a ksh script to search for a string of text inside files within a directory tree. Some of these file are going to be read/execute only. I know to use chmod to change the permissions of the file, but I want to preserve the original permissions after writing to the file. How can I... (3 Replies)
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Hi
I have following directory :
=> ls -ltr
total 0
drwxrwxr-x 2 wmdwhadm dba 8192 Apr 02 23:22 in-process/
=> id wmdwhadm
uid=210(wmdwhadm) gid=1(staff) groups=251(cogadmin)
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LEARN ABOUT FREEBSD
crontab
CRONTAB(1) BSD General Commands Manual CRONTAB(1)
NAME
crontab -- maintain crontab files for individual users (V3)
SYNOPSIS
crontab [-u user] file
crontab [-u user] { -l | -r | -e }
DESCRIPTION
The crontab utility is the program used to install, deinstall or list the tables used to drive the cron(8) daemon in Vixie Cron. Each user
can have their own crontab, and though these are files in /var, they are not intended to be edited directly.
If the allow file exists, then you must be listed therein in order to be allowed to use this command. If the allow file does not exist but
the deny file does exist, then you must not be listed in the deny file in order to use this command. If neither of these files exists, then
depending on site-dependent configuration parameters, only the super user will be allowed to use this command, or all users will be able to
use this command. The format of these files is one username per line, with no leading or trailing whitespace. Lines of other formats will
be ignored, and so can be used for comments.
The first form of this command is used to install a new crontab from some named file or standard input if the pseudo-filename '-' is given.
The following options are available:
-u Specify the name of the user whose crontab is to be tweaked. If this option is not given, crontab examines ``your'' crontab, i.e.,
the crontab of the person executing the command. Note that su(1) can confuse crontab and that if you are running inside of su(1) you
should always use the -u option for safety's sake.
-l Display the current crontab on standard output.
-r Remove the current crontab.
-e Edit the current crontab using the editor specified by the VISUAL or EDITOR environment variables. The specified editor must edit
the file in place; any editor that unlinks the file and recreates it cannot be used. After you exit from the editor, the modified
crontab will be installed automatically.
FILES
/var/cron/allow List of users allowed to use crontab
/var/cron/deny List of users prohibited from using crontab
/var/cron/tabs Directory for personal crontab files
DIAGNOSTICS
A fairly informative usage message appears if you run it with a bad command line.
SEE ALSO
crontab(5), cron(8)
STANDARDS
The crontab command conforms to IEEE Std 1003.2 (``POSIX.2'') with the exception that the dangerous variant of calling crontab without a file
name in the first form of the command is not allowed by this implementation. The pseudo-filename '-' must be specified to read from standard
input. The new command syntax differs from previous versions of Vixie Cron, as well as from the classic SVR3 syntax.
AUTHORS
Paul Vixie <paul@vix.com>
BSD
May 13, 2010 BSD