[MPlayer-cvslog] r18728 - trunk/DOCS/tech/mirrors/mirror_howto.txt

diego subversion at mplayerhq.hu
Fri Jun 16 13:17:04 CEST 2006 

Author: diego
Date: Fri Jun 16 13:17:04 2006
New Revision: 18728

Modified:
   trunk/DOCS/tech/mirrors/mirror_howto.txt

Log:
misc corrections


Modified: trunk/DOCS/tech/mirrors/mirror_howto.txt
==============================================================================
--- trunk/DOCS/tech/mirrors/mirror_howto.txt	(original)
+++ trunk/DOCS/tech/mirrors/mirror_howto.txt	Fri Jun 16 13:17:04 2006
@@ -3,10 +3,10 @@
 			  ------------------------------
 
 =======================================================================
-WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! 
+WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
 -----------------------------------------------------------------------
 This is a preliminary version. Do not rely on anything here.
-Please send feedback, corrections etc to mplayer-mirror.
+Please send feedback + corrections to the mplayer-mirror mailing list.
 =======================================================================
 
 About this document
@@ -23,59 +23,66 @@
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 A few of the commands used here will generate some load on our main server.
-Executed too often and by to many clients at once will overload our server
-and cause a performance degradation for all our users. Thus we kindly ask
-you to be considerate about what you do. We do not want to restrict mirroring
-to a few selected people, but this requires that everyone using the system 
-outlined here to behave.
+Too many clients executing them at once will overload our server and cause
+a performance degradation for all our users. Thus we kindly ask you to be
+considerate about what you do. We do not want to restrict mirroring to a
+few select people, but this requires everyone using the system described
+here to behave.
 
 
 Outline of the mirroring system
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The mirroring system uses rsync to transfere the data and to perform
-updates. A script is provided to call the rsync client with the right
-set of parameters. This script should be called periodicaly with cron.
-Additionaly, official mirrors should set up an ssh account so that
-updates can be triggered when important updates on the main server
+The mirroring system uses rsync to transfer the data and to perform
+updates. A script (update_mplayer_rsync) is provided to call the rsync
+client with the right set of parameters. This script should be run
+periodically via cron.
+Additionally, official mirrors should set up an ssh account so that
+updates can be triggered when important changes on the main server
 are performed.
-Mirrors should provide their data over http or ftp or both. Each official
-mirror will be assigned a mirror number. This mirror number determines
-the hostname over which it will be reached.
+Mirrors should provide their data over HTTP or FTP or both. Each official
+mirror will be assigned a mirror number (wwwXXX.mplayerhq.hu or
+ftpXXX.mplayerhq.hu where XXX is the mirror number). This mirror
+number determines the hostname over which it will be reached.
 
 
 Getting the data, mirroring script and cron setup
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The mirroring script to be used is provided over the svn repo at
-svn://svn.mplayerhq.hu/mplayer/trunk/DOCS/tech/mirrors/update_mplayer_rsync .
+The mirroring script is located in our Subversion repository at
+
+  svn://svn.mplayerhq.hu/mplayer/trunk/DOCS/tech/mirrors/update_mplayer_rsync
+
+or on the web at
+
+  http://svn.mplayerhq.hu/*checkout*/mplayer/trunk/DOCS/tech/mirrors/update_mplayer_rsync
 
 This script requires a working `rsync` client. The handling of the
 lock file is done by using `lockfile` from the procmail package.
 Using a lock file is recommended but not necessary. The temporary file
-generation is handled by `mktemp` which is available on from 
-http://www.mktemp.org/mktemp/ . 
+generation is handled by `mktemp` which is available from
+http://www.mktemp.org/mktemp/ .
 
 The script contains a few configuration variables at the begining that
 can and should be set:
 PATH: The $PATH to be used within the script (recommended).
-LOCK: The full path to the lock file to be used 
-	(/var/lock/mplayer-mirror-lock or something similar, recommended).
+LOCK: The full path to the lock file to be used (/var/lock/mplayer-mirror-lock
+      or something similar, recommended).
 MIRROR_ROOT: The root of the mirror. This is the directory where all files
-	are downloaded to (required).
-MAILADR: The mail address where reports should be send to (required).
-TMPDIR: The directory where the temporary should be created.
-	If you set this explicitly, you have to uncomment the export below too.
-	(defaults to /tmp if not set)
+             are downloaded to (required).
+MAILADR: The mail address where reports should be sent to (required).
+TMPDIR: The directory where temporary files should be created.
+        If you set this explicitly, you have to uncomment the export below
+        (defaults to /tmp if not set).
 
 Install this script and set the variables according to your setup. Then run
-it once to get the first checkout of the mirror. This will require at the
-time of this writing (2006-06-10) about 500MB of disk space.
+it once to get the first checkout of the mirror. This will require (at the
+time of this writing - 2006-06) about 500MB of disk space.
 You should get two directories in your $MIRROR_ROOT: homepage and MPlayer.
-The former containing the html pages for the mirror and the later the
-files for download. 
+The former containing the HTML pages for the mirror and the latter the
+downloadable files.
 
-If this worked out ok, you should set up a cron job that periodicaly updates
+If this worked out OK, you should set up a cron job that periodically updates
 the files. If you run an official mirror you should run the script every
 6h to 12h (6h recommended). If you do not run an official mirror, you should
 not run the script more often than once a day. Please use an "odd" time
@@ -93,34 +100,33 @@
 checksums on the server side which are very expensive.
 
 
-Setting up an ssh account for update triggers
+Setting up an SSH account for update triggers
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Official mirrors should also provide an ssh based trigger to run the
-update script on request. This makes it possible to distribute releases
-and other important files imediatly to all mirrors.
-
-The way it is set up does not need a special user other than the one
-with which the update script is run already and does not allow to run
-any other command.
+Official mirrors should provide an ssh-based trigger to run the update script
+on request. This makes it possible to distribute releases and other important
+files immediately to all mirrors.
+
+The setup does not need a special user other than the one as which the update
+script is run and does not allow running any other command.
 
-First you need to create an ssh key pair by running the following command:
+First you need to create an ssh key pair by running:
 ---
 ssh-keygen -t dsa -C MPHQ_rsync_trigger -f www#_sshkey
 ---
 (replace the '#' by your mirror number)
 
 You should send the private key to us by mail and specify the host and
-user to be used. Please do use a private mail of one of us and DO NOT
-send the private key onto the mirror mailinglist.
+user to be used. Please use a private mail of one of the admins and
+DO NOT send the private key to the mirror mailing list.
 
-The public key should be placed into the ~/.ssh/authorized_keys file of the 
-user. To restrict the sshkey to one command only please place the follwoing
-directives at the begining of the line with the key:
-from="*.mplayerhq.hu",command="<path_to_update_mplayer_rsync"
+The public key should be placed in the ~/.ssh/authorized_keys file of the
+user running the updates. To restrict the ssh key to only one command place
+the following directives at the begining of the line with the key:
+from="*.mplayerhq.hu",command="<path_to_update_mplayer_rsync>"
 e.g.:
 ---
-from="*.mplayerhq.hu",command="/path/to/update_mplayer_all" ssh-dss AAAA
+from="*.mplayerhq.hu",command="/path/to/update_mplayer_rsync" ssh-dss AAAA
 B3NzaC1kc3MAAAEBAI20yhE3/bRjzojUhhMz4DHnGhcJUiPWOfoP9CygnFOYOxJTFlxgqM3iJiHWRxgK
 FJ/Uw40eV9K4Ww4fp2pe1guXJzKna8+6vBXaPPVEVxSyaxgtt4Xt3zpUuCnNljgArcEhwcNyOyH2RVln
 yhyxsrKhuq5ZoNHD3caBGjZu3eOR2atPGS1NOdeN/hytIoh8T8DicPqPI29yWX9yAjnHv6wdPutwMLu6

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