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<html xmlns="http://www.w3.org/1999/xhtml"> |
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<head> |
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<title>trashcan under GNU/Linux with 'libtrash' mini-HowTo</title> |
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<link rev="made" href="mailto:root@localhost" /> |
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</head> |
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<body style="background-color: white"> |
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<p><a name="__index__"></a></p> |
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<!-- INDEX BEGIN --> |
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<ul> |
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<ul> |
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<li><a href="#implements_a_trash_can_under_gnu/linux_with_'libtrash'">Implements a ``trash can'' under GNU/Linux with 'libtrash'</a></li> |
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<ul> |
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<li><a href="#description">Description</a></li> |
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<ul> |
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<li><a href="#install_libtrash">install libtrash</a></li> |
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<li><a href="#test">test</a></li> |
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<li><a href="#enable_libtrash_at_login">enable libtrash at login</a></li> |
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<li><a href="#create_user_specify_config">create user specify config</a></li> |
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<li><a href="#use_'cleantrash'_for_cleaning_trash_via_cronjob">use 'cleanTrash' for cleaning Trash via cronjob</a></li> |
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<ul> |
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<li><a href="#insert_cronjob_for_root">insert cronjob for root</a></li> |
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</ul> |
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</ul> |
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<li><a href="#important_notes">Important Notes</a></li> |
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<li><a href="#resources">Resources</a></li> |
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<li><a href="#authors">Authors</a></li> |
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<li><a href="#last_changes">Last changes</a></li> |
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</ul> |
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</ul> |
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</ul> |
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<!-- INDEX END --> |
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<hr /> |
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<p> |
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</p> |
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<h2><a name="implements_a_trash_can_under_gnu/linux_with_'libtrash'">Implements a ``trash can'' under GNU/Linux with 'libtrash'</a></h2> |
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<p> |
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</p> |
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<h3><a name="description">Description</a></h3> |
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<pre> |
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All stuff here is mainly copied from the libtrash doc.</pre> |
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<pre> |
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libtrash is a shared library which, when preloaded, implements a trash can under GNU/Linux. |
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This way, your mistakes (at least those of the "rm -rf dir /" class :-)) will no longer cause |
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the loss of a week's work or your system's binaries.</pre> |
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<p> |
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</p> |
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<h4><a name="install_libtrash">install libtrash</a></h4> |
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<pre> |
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apt-get install libtrash</pre> |
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<pre> |
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or for those of you that aren't running Debian GNU/Linux: |
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wget <a href="http://www.m-arriaga.net/software/libtrash/libtrash-latest.tgz">http://www.m-arriaga.net/software/libtrash/libtrash-latest.tgz</a> |
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tar xzf libtrash-latest.tgz |
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cd libtrash-1.7/ |
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edit Makefile for common settings |
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make install (as root)</pre> |
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<p> |
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</p> |
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<h4><a name="test">test</a></h4> |
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<pre> |
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export LD_PRELOAD=/usr/lib/libtrash/libtrash.so |
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rm -r <some_test_file></pre> |
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<p> |
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</p> |
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<h4><a name="enable_libtrash_at_login">enable libtrash at login</a></h4> |
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<pre> |
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Include this in your ~/.bash_profile(or for system-wide usage in /etc/profile) |
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to enable libtrash every time you log in (or otherwise start a login shell)</pre> |
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<pre> |
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#-------------- snip --------------------------- |
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LIBTRASH=/usr/lib/libtrash/libtrash.so</pre> |
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<pre> |
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LIBTRASH_dest=$LIBTRASH |
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if test -L $LIBTRASH ; then |
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LIBTRASH_dest="$(dirname $LIBTRASH)/$(ls -l "$LIBTRASH" | \ |
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sed -e 's/^.\+ -> //')" |
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fi</pre> |
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<pre> |
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if test x${LD_PRELOAD+set} = x -a -f "$LIBTRASH_dest" ; then |
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LD_PRELOAD="$LIBTRASH" |
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export LD_PRELOAD |
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if test x$0 = x-bash ; then |
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exec bash ${1+"$@"} |
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else |
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exec $0 ${1+"$@"} |
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fi |
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fi |
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#-------------- end snip ---------------------------</pre> |
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<p> |
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</p> |
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<h4><a name="create_user_specify_config">create user specify config</a></h4> |
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<pre> |
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- READ /etc/libtrash.conf !! |
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- overwrite default values by setting up a ~/.libtrash for each user:</pre> |
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<pre> |
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# sample ~/.libtrash: |
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#-------------- snip --------------------------- |
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GLOBAL_PROTECTION = YES |
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INTERCEPT_FOPEN = YES |
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INTERCEPT_FREOPEN = YES |
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INTERCEPT_OPEN = YES |
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IGNORE_HIDDEN = NO |
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IGNORE_EXTENSIONS= o;exe |
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#-------------- end snip ---------------------------</pre> |
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<p> |
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</p> |
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<h4><a name="use_'cleantrash'_for_cleaning_trash_via_cronjob">use 'cleanTrash' for cleaning Trash via cronjob</a></h4> |
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<pre> |
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- gunzip & copy '/usr/share/doc/libtrash/examples/cleanTrash/ct2.pl.gz' |
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to '/usr/local/bin/cleanTrash' e.g: |
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'zcat /usr/share/doc/libtrash/examples/cleanTrash/ct2.pl.gz > /usr/local/bin/cleanTrash'</pre> |
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<pre> |
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- edit '/usr/local/bin/cleanTrash' for local configuration</pre> |
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<p> |
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</p> |
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<h5><a name="insert_cronjob_for_root">insert cronjob for root</a></h5> |
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<pre> |
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- crontab -e (as root) |
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- insert: 3,13,23,33,43,53 * * * * root /usr/local/bin/cleanTrash</pre> |
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<p> |
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</p> |
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<h3><a name="important_notes">Important Notes</a></h3> |
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<dl> |
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<dt><strong><a name="item_gerneral">Gerneral</a></strong><br /> |
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</dt> |
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<dd> |
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<pre> |
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READ /etc/libtrash.conf !! |
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If libtrash.so is global enabled via /etc/profile, a DEFAULT or WRONG ~/.libtrash configuration would |
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causes gdm, root writes(if root writes are also protected by lintrash), kde etc. stops working !! |
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solution to disable libtrash in enviroment immediately: |
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- export LD_PRELOAD=""</pre> |
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</dd> |
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<dt><strong><a name="item_xterm">XTerm</a></strong><br /> |
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</dt> |
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<dd> |
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<pre> |
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to get a login shell, start XTerm with '-ls' (~/.profile will not be executed if not)</pre> |
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jonen |
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</dd> |
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</dl> |
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<p> |
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</p> |
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<h3><a name="resources">Resources</a></h3> |
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<dl> |
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<dt><strong><a name="item_libtrash_%2d_implements_a_%22trash_can%22_under_gn">Libtrash - Implements a ``trash can'' under GNU/Linux</a></strong><br /> |
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</dt> |
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<dd> |
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<pre> |
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<a href="http://www.m-arriaga.net/software/libtrash/">http://www.m-arriaga.net/software/libtrash/</a></pre> |
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</dd> |
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</dl> |
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<p> |
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</p> |
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<h3><a name="authors">Authors</a></h3> |
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<pre> |
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Sebastian Utz seut@tunemedia.de</pre> |
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<p> |
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</p> |
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<h3><a name="last_changes">Last changes</a></h3> |
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<pre> |
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Revision 1.1 2003/01/24 17:47:49: |
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+ create new</pre> |
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</body> |
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