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UNIX for Dummies Questions & Answers
managing users
Post 21 by Neo on Wednesday 20th of September 2000 02:17:19 PM
09-20-2000
Administrator
OK. The actual commands and flags depend on the flavor of UNIX you are playing on (YMMV):
In Linux you add users with the 'adduser' command.
After adding users, you create a group by editing the
/etc/group file and add users to the group. I use the
VI editor.
Now you have users and groups
.
The permissions are based on your different requirements.
Lets say you want the new users to write in the directory
but no modify it.
mkdir /tmp/newdirectory
chown root.newgroup /tmp/newdirectory
chmod 770 /tmp/newdirectory
This means that root will be able to read, write, and search; members of the newgroup will be able to do the
same. Other users and groups will have no permissions
to write, search or read the directory.
It is best, IMHO, for you to read the man pages on chown()
and chmod() and then experiment by changing to different
users (to get a flavor for how it actually works.)
In Linux you add users with the 'adduser' command.
After adding users, you create a group by editing the
/etc/group file and add users to the group. I use the
VI editor.
Now you have users and groups
.The permissions are based on your different requirements.
Lets say you want the new users to write in the directory
but no modify it.
mkdir /tmp/newdirectory
chown root.newgroup /tmp/newdirectory
chmod 770 /tmp/newdirectory
This means that root will be able to read, write, and search; members of the newgroup will be able to do the
same. Other users and groups will have no permissions
to write, search or read the directory.
It is best, IMHO, for you to read the man pages on chown()
and chmod() and then experiment by changing to different
users (to get a flavor for how it actually works.)
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LEARN ABOUT DEBIAN
sbuild-adduser
SBUILD-ADDUSER(8) Debian sbuild SBUILD-ADDUSER(8) NAME
sbuild-adduser - add an sbuild user SYNOPSIS
sbuild-adduser [-h|--help | -V|--version] USER1 [USER2 [USERn...]] DESCRIPTION
sbuild-adduser adds the specified users to the sbuild group, granting them the privelege to build packages with sbuild(1). The schroot(1) configuration must permit the user to obtain root permissions in the chroot via the root-users and root-groups options in schroot.conf, because this is required to install and remove build-dependencies inside the chroot. This is normally done using the sbuild group, but additional users or groups may be added in order to grant finer-grained permissions, for example to restrict individual users to particular chroots. OPTIONS
Actions -h, --help Display this manual. -V, --version Print version information. User selection USER The user to be granted sbuild access. EXAMPLES
To allow user rleigh sbuild access: % sudo sbuild-adduser rleigh AUTHORS
Roger Leigh. COPYRIGHT
Copyright (C) 2006-2008 Roger Leigh <rleigh@debian.org>. SEE ALSO
sbuild(1), sbuild-setup(7), schroot.conf(5). Version 0.63.2 18 Aug 2012 SBUILD-ADDUSER(8)