X-Git-Url: http://git.tuebingen.mpg.de/?p=dss.git;a=blobdiff_plain;f=INSTALL;h=f48784b5ea74f2d26b94e6e7618f80c52aeb6cd9;hp=58a03fbae85a5e73962d53b2fa3364c6e9c47bf8;hb=3025388040c1521121255e5ae7ceabdcb1b1e421;hpb=6e42820324ffb57f3d1fc1e58e1ec5bbdf97c820 diff --git a/INSTALL b/INSTALL index 58a03fb..f48784b 100644 --- a/INSTALL +++ b/INSTALL @@ -1,56 +1,82 @@ -Type +dss is known to compile on Linux, FreeBSD and NetBSD. However, it is +run-tested only on Linux. + +Note that [lopsub](http://people.tuebingen.mpg.de/maan/lopsub) +is required to compile dss. - make +Type -in the dss source directory to build the dss executable. You -likely need a recent version of gnu gengetopt, -ftp://ftp.gnu.org/pub/gnu/gengetopt/, to compile dss. + make -dss is known to compile on Linux, MacOS, Solaris, FreeBSD and -NetBSD. However, it is run-tested on Linux only. +in the dss source directory to build the dss executable and copy it +to some directory that is included in your PATH, e.g. to `$HOME/bin` +or to `/usr/local/bin`. -Also make sure that rsync, http://rsync.samba.org/, is installed on +Also make sure that [rsync](http://rsync.samba.org/) is installed on your system. Version 2.6.1 or newer is required. -Example: --------- +Examples: +--------- Suppose you'd like to create snapshots of the existing directory - /foo/bar + /foo/bar in the directory - /baz/qux. + /baz/qux. Create the config file - ~/.dssrc + ~/.dssrc that contains the values for the source and the destination directories as follows: - echo 'source-dir "/foo/bar"' > ~/.dssrc - echo 'dest-dir "/baz/qux"' >> ~/.dssrc + echo 'source-dir "/foo/bar"' > ~/.dssrc + echo 'dest-dir "/baz/qux"' >> ~/.dssrc Then execute the commands - mkdir /baz/qux - ./dss --run + mkdir /baz/qux + dss run In order to print the list of all snapshots created so far, use - ./dss --list + dss ls + +Yes, it's really that easy. + +The second example involves a slightly more sophisticated config file. +It instructs dss to exclude everything which matches at least one +pattern of the given exclude file, prevents rsync from crossing file +system boundaries and increases the number of snapshots. + + source-dir "/foo/bar" + dest-dir "/baz/qux" + # exclude files matching patterns in /etc/dss.exclude + rsync-option "--exclude-from=/etc/dss.exclude" + # don't cross filesystem boundaries + rsync-option "--one-file-system" + # maintain 2^6 - 1 = 63 snaphots + num-intervals "6" + +The /etc/dss.exclude file could look like this (see rsync(1) for +more examples) + + + - /proc + - /**/tmp/ -Yes, it's really that easy. Of course, dss supports many more -features and config options such as taking snapshots from remote -hosts and several hooks that are executed whenever on certain events, -for example whenever a snapshot was created successfully. Try +Note that dss supports many more features and config options such +as taking snapshots from remote hosts and several hooks that are +executed on certain events, for example whenever a snapshot was +created successfully. Try - ./dss -h + dss -h for an overview of all supported command line options or - ./dss --detailed-help + dss --detailed-help for the full help text.