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Operating Systems HP-UX Best Practice to avoid dump core to fill-up root disk Post 302360364 by jim mcnamara on Thursday 8th of October 2009 05:15:04 PM
Old 10-08-2009
Ordinary users should never be able to write /usr/bin, etc. Also, the root filesystem - var, etc, usr, opt and friends - should all be on a filesystem unto itself with no application data at all. Therefore /var/spool, /var/tmp, and so on belong on another physical filesystem.

Consider -
Code:
ulimit -c <max blocks you want to allow>

in /etc/profile.

For ksh and sh (Bourne) on HP-UX; for batch systems. Interactive users can unset the
soft limit. But -- they should not have write access to the root filesystem
 

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COPYFS-MOUNT(1) 						   User Commands						   COPYFS-MOUNT(1)

NAME
copyfs-mount - mounts a versioned file system SYNOPSIS
copyfs-mount version-directory mount-point DESCRIPTION
This script lets you mount a CopyFS file system. version-directory is the directory where the files and version information will be stored by CopyFS. When using CopyFS for the first time, copyfs-mount will create the required files in the version-directory before running copyfs-daemon. mount-point is the directory where the copyfs file system will be mounted. This is where the users will have access to the files. If you want to mount a CopyFS at '/mnt/fs', whose version directory is at /var/versions, you would use: root@host# copyfs-mount /var/versions /mnt/fs To unmount it, simply do: root@host# umount /mnt/fs As you would do for any other filesystem. You can also allow an ordinary non-root users to mount and unmount CopyFS filesystems provided that the user is added to the 'fuse' group. Ordinary users will be able unmount the filesystem, using the fusermount command: $ fusermount -u mount-point AUTHORS
CopyFS was created by Thomas Joubert and Nicolas Vigier <boklm@mars-attacks.org> LINKS
<http://n0x.org/copyfs/> CopyFS web site. <http://fuse.sourceforge.net/> FUSE - Filesystem in USErspace SEE ALSO
copyfs(1), copyfs-fversion(1), copyfs-daemon(1), fusermount(1) copyfs-mount May 2008 COPYFS-MOUNT(1)
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