X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2FINSTALL.mir;h=bdb61cdade05e51fba5ce926c4e151d00637aa79;hb=e94b3cbaf153a7fba637971e3d0d8d92becbf643;hp=4e255adcb3ad522f05000db70c0d40a9f894f9dc;hpb=baf56cc3d324ffa8715509e559bbe049739f32f3;p=mir.git diff --git a/doc/INSTALL.mir b/doc/INSTALL.mir index 4e255adc..bdb61cda 100755 --- a/doc/INSTALL.mir +++ b/doc/INSTALL.mir @@ -1,24 +1,40 @@ +MIR INSTALLATION HOWTO + +Last updated: $Date: 2002/07/08 16:20:32 $ +---------------------------------------------------------------- + Here is a short installation-howto of Mir. prerequisites: -- tomcat -- apache with mod_jk.so -- postgres 7.1.x +- tomcat 4.0.4 (4.0.3 and below have some bad bugs) or above (3.3 works too as + of 04.04.2002, but this could change) + tomcat is available from http://jakarta.apache.org/tomcat/ +- apache 1.3.x. with mod_jk.so. As far as I can tell the connector for 2.x is + still rather undocumented. http://httpd.apache.org +- postgres 7.1.x or 7.2.x. http://www.postgresql.org - ant (a java-based make) - jaxp-1.1 (a SAX 2.0 compliant XML parser, comes with ant >= 1.4) +- the JAI image framework (Java Advanced Imaging) versin 1.1.1 . get it from + java.sun.com. ** NOTE: because JAI uses a native acceration library (a .so) + it must be placed in tomcat's "lib" (i.e $TOMCAT_HOME/lib) directory and + not under the default webapps/Mir/WEB-INF/lib directory ** +- A good reading of Tomcat, Apache and Postgresql documentation if you are not + familiar with any of them. The documentation is available at: + http://jakarta.apache.org/tomcat/tomcat-4.0-doc/index.html, + http://httpd.apache.org/docs/ and http://www.postgresql.org respectively. 1. checkout the cvs CVS LOGIN: - cvs -d :pserver: cvsanon@brazil.indymedia.de:/var/cvs login - password: cvs + cvs -d :pserver:anonymous@mir.indymedia.org:/var/lib/cvs login + password: anonymous CVS CHECKOUT: - cvs -d :pserver: cvsanon@brazil.indymedia.de:/var/cvs co mir + cvs -d :pserver:anonymous@mir.indymedia.org:/var/lib/cvs co mir 2. customize the config: @@ -28,84 +44,202 @@ CVS CHECKOUT: now customize config.properties for your needs. - modify etc/web.xml to change the xml-config - parameter to point to where your server.xml file is - (in ../Mir i.e /path/to/Mir/server.xml) +3. configure the perms.sh file if neccessary -- IMPORTANT! READ THIS! +We provide a script that sets all files' and direcories' permissions to +a quite reasonable state. This script gets automagically called by +ant after compilationl. The most important thing you have to do after +compiling Mir is to ensure that the log files -- especially +dbentity.log -- are not readable by users that could compromise +system security, because all passwords and the like will be logged here. + + cp perms.sh-dist perms.sh + +Now, change the install directory and group in perms.sh -3. configure the build.sh file with java_home - cp build.sh-dist build.sh - chmod 755 build.sh + edit perms.sh 4. copy the mir/templates-dist-directory to mir/templates -5. compile - sh build.sh +5. compile. For this step, you have to make sure that the TOMCAT_HOME +environment variable is set to the root of your tomcat installation. +The build.xml compile target will give up if this is not set. + +Do this as root so the permissions script is able to set +the permissions and owners correctly. + + ant 6. Link in the webapps directory of tomcat to the install directory (the directory is called "Mir" and is located in the same directory in which -you installed the "mir" directory). - cd /usr/share/tomcat/webapps - ln -s Mir-install-dir Mir +you installed the "mir" directory). (Here and in the rest of this document, +we assume you called the link "Mir", but this could be named anything.) + cd /path/to/tomcat/webapps (tomcat-4.0.x/webapps) + ln -s /path/to/Mir Mir + +with tomcat 4.0.x, you could dynamically reload and stop the Mir webapp without +restarting tomcat by using the "Manager App" with the following url: + +http://localhost:8080/manager/stop?path=/Mir + +This is practical if you are running several installations of mir on one +tomcat or other webapps and can't afford to shutdown all of them. +See the tomcat documentation to learn how to enable and use the manager app. + +7. Copy any dynamic library files ending with ".so" (so far only the JAI native +acceleration library found in the JAI package tarball or zip from sun) to your +$JAVA_HOME/jre/lib/i386 directory (where the other ".so" files live). Or, you +can skip the whole thing and live without "native" acceleration for image +manupulation. + +8a. create a new database +The database name should be the same as in config.properties. Please look at +the section "Database.*" to look up the names or change them to your needs. + +It is wise in terms of system seurity to use an unprivileged user for this +task instead of the superuser. This is because if Mir uses the superuser to +connect to the database and anybody manages to find out the password Mir +uses to connect, the attacker can take over the complete database. So, in +the following examples, we assume that the database name is "Mir", the +database user will be "mir" and the password is "joshua". Please note that +this particular password is far from being a good one. Watch "Wargames" for +details. =B) + +To access the database as the database superuser, you either have to log in +as postgres on Unix level (which we don't recommend because you will need +another user to have a login shell and a password which makes system +penetration more likely) or you have to tell PostgreSQL with each +application call that you want to connect as a specific user. If you access +the database from any other user's account, use the -U flag to connect to +PostgreSQL as the database superuser ("postgres"): + + createdb -U postgres --encoding=unicode Mir + +Please note that if you create the database from inside the psql application, +the database name will likely be converted to lowercase letters. + + +8b. create an unprivileged database user for Mir +First, connect to the database as the database's superuser. + + psql -U postgres Mir + +Now we create the actual user. Please choose a password that is hard to +guess instead of "joshua". Good passwords have characters and numerals in +it, have no link to its owner (like being her birthday, age, name of her +husband, dog, child, car, favourite beer brand). A good password looks like +this: "8ncx4un". + + CREATE USER Mir WITH PASSWORD 'joshua' NOCREATEDB NOCREATEUSER; + +8c. create base table +Please note that we use the superuser "postgres" to connect to the "Mir" +database, /not/ the user "mir". + + psql -Upostgres -f dbscripts/create_pg.sql Mir + for i in dbscripts/help*.sql ; do psql -Upostgres -f $i Mir ; done + for i in dbscripts/populate*.sql ; do psql -Upostgres -f $i Mir ; done + +8d. Grant the required permissions to the new user + +-- The following should be executed as the "postgres" DB user. +-- Note that ID_FROM_PG_USER and DATABASENAME should be replace with the + appropriate field values from the 2 prior selects. +-- set owner of datbase +select * from pg_database; +select * from pg_user; +update pg_database set datdba=ID_FROM_PG_USER where datname=DATABASENAME + +-- find all tables to grant privs / select is just building sql +-- to be exectued + +select 'grant all on '||relname||' to "de_indy";' +from pg_class +where relname not like 'pg%' +order by relname; + +8e. Apply neccessary changes to config.properties + +Please open config.properties and look for the lines that begin with +"Database.". The interesting properties are "Username", "Password", "Host" +and "Name". Change these properties so that they reflect the settings you +used to create the database and the user. + +You should make sure that no copy of config.properties (neither in mir nor +in Mir/src nor in Mir/WEB-INF/classes nor in the directory tree you compiled +Mir from) is world-readable. Else you wouldn't have to install a password, +anyway. + +8f. Setup PostgreSQL so that all connections have to pass a password -7. Modify your tomcat startup script and add an LD_LIBRARY_PATH variable -that points to the WEB-INF/lib directory of your Mir install dir. (called -"Mir"). Add something like the following at the top of tomcat.sh (tomcat.sh -is found in the "bin/" dir. under $TOMCAT_HOME): - LD_LIBRARY_PATH=/path/to/Mir-install-dir/WEB-INF/lib +In /etc/postgresql/pg_hba.conf you should make sure that nobody can +use the database without a password: -An alternaive way to avoid this is to copy any dynamic library files -ending with ".so" in WEB-INF/lib to your jre/jdk lib directory (where the -other ".so" files live). Or, you can skip the whole thing and live without -"native" acceleration for image manipulation +local all password +host all 127.0.0.1 255.0.0.0 password +host all 0.0.0.0 0.0.0.0 reject +This means: All local connections (i.e. psql without "-h hostname" option) +have to authenticate themselves with a password. All connections from +localhost (127.0.0.1) have to supply a password, too. All other connections +are rejected. This line doen't have to be there if you have a properly +configured firewall but even if you do have one, it adds to the security in +case an attacker penetrates the firewall by some hack. -8. create a new database -the database name should be the same as in config.properties -as user postgres: - createdb dbname +If you can't access PostgreSQL after this for any reason, try and change +"password" in /etc/postgresql/pg_hba.conf to "trust". This should disable +any authentication method and make the database accessible again. Please use +this setting only temporarily because anybody who can access the PostgreSQL +server could take over the database completely this way. After you fixed +your password setting, switch the setting back to "password". +You may want to change your PostgreSQL password from time to time to make +database takeover harder. Rememer: Security is a process. -9. create base table - psql -Upostgres dbname < dbscripts/create_pg.sql - cat dbscripts/help*.sql | psql -Upostgres dbname - cat dbscripts/populate*.sql | psql -Upostgres dbname -10. Add the dupe prevention trigger to the database: +9. Add the dupe prevention trigger to the database: cd dbscripts/dupetrigger There, read INSTALL and follow the instructions. -11. Set permissions - We provide a script that sets all files' and direcories' permissions to - a quite reasonable state. The most important thing you have to do after - the invokation of this script is to ensure that the log files -- - especially dbentity.log -- are not readable by users that could - compromise system security, because all passwords and the like will - be logged here. - - cp perms.sh-dist perms.sh - # Now, change the install directory and group in perms.sh - edit perms.sh - ./perms.sh +10. Tweak mime-type extensions mappings in etc/web.xml file. + +*** Note the defaults should be o.k for most installations *** + +Add or remove any mime types you wish to support. This is used to figure +out the mime-type when (broken browsers?) browsers don't send the mime-type +in the content-type header field when uploading a media file. Note add the +moment you still have to add these to the media_type SQL table as well which +maps the mime-types to the correct mediaHandler class. See the comments in +the MirMedia class in javadoc for more details. +11. restart tomcat +12. configure mod_jk +There are 2 ways to do this. auto-generation of mod_jk.conf or manula JKMount +lines. (rumour has it that Tomcat 4.0.x doesn't support auto-generation, but +this is unconfirmed). -12. restart tomcat +In both examples please note that the JkWorkersFile line only needs to appear +once per Apache config. -13. configure mod_jk +Also this assumes that your tomcat installation has it's ajp13 conenctor +turned on. See tomcat's server.xml file and documentation for this. Chances +are that it is turned on. + +Method a). The automatic mod_jk.conf method: insert the following patch into /etc/apache/httpd.conf. Edit the directories to suit your needs. -JkWorkersFile /usr/share/tomcat/conf/workers.properties -Include /usr/share/tomcat/conf/mod_jk.conf-auto +JkWorkersFile /path/to/tomcat/conf/workers.properties +Include /path/to/tomcat/conf/mod_jk.conf-auto Do not put any JkMount lines into your httpd.conf! @@ -113,59 +247,78 @@ Do not put any JkMount lines into your httpd.conf! If mod_jk.conf-auto doesn't get written or is 0 bytes in size, check your system for file ownership/permissions problems. +Method b). Manual JKMount lines -14. Add a password to your PostgreSQL user and link it to Mir (optional) +insert the following patch into /etc/apache/httpd.conf. Edit the directories +to suit your needs. -Add a hard to guess password to the PostgreSQL user database: + +JkWorkersFile /path/to/tomcat/conf/workers.properties +JkMount /Mir ajp13 +JkMount /Mir/* ajp13 + -# psql -U postgres Mir -alter user postgres with password 'yourpassword'; +13. configure apache + +edit http.conf: +* set the document root to the same directory as in the mir config file +* enable shtml includes: + - add LoadModule includes_module /usr/lib/apache/1.3/mod_include.so + - make sure your directory contains "Options Includes" +* Determine if you need to modify any apache mime-mappings + - The web-server host must recognize the .m3u, .pls and other file extensions + and send the proper "audio/x-mpegurl" and "audio/x-scpls" mime-types + respectively. If the web server is apache, it's easy, just + add: + + audio/x-mpegurl m3u + audio/x-scpl pls + + to the file pointed to by the "TypesConfig" command in your apache config + file. Or add and equivalent AddType command to your httpd.conf. Of course + this assumes that the mod_mime is loaded. -Then, in /etc/postgresql/pg_hba.conf you should make sure that nobody can -use the database without a password: +that's it :) -local all password -host all 127.0.0.1 255.0.0.0 password -host all 0.0.0.0 0.0.0.0 reject +now the admin-application is accesable via: + http://host/Mir/servlet/Mir -Then, change the database password line in config.properties: +and the openposting-servlet via + + http://host/Mir/servlet/OpenMir -Database.Username=postgres -Database.Password=yourpassword +standard login is admin/indymedia. See the webdb_users SQL table to change/add +users or passwords. -You should make sure that no copy of config.properties (neither in mir nor -in Mir/src nor in Mir/WEB-INF/classes) is world-readable. Else you wouldn't -have to install a password, anyway. - -If you can't access PostgreSQL after this for any reason, try to change -"password" in /etc/postgresql/pg_hba.conf into "trust". This should disable -any authentication method and make the database accessible again. - -15. configure apache's mod_mime to recognize .m3u and .pls files: - -The web server (of the media host) must recognize the .m3u and .pls file -extensions and send the proper "audio/x-mpegurl" and "audio/x-scpls" mime-types -respectively. If the web server is apache, it's easy, just add: - * -audio/x-mpegurl m3u -audio/x-scpl pls - * -to the file pointed to by the "TypesConfig" command in your apache config file. -Or add and equivalent AddType command to your httpd.conf. Of course this -assumes that the mod_mime is loaded. - * -If the web server is not apache, then your on your own. -that's it :) +SEARCHING -now the admin-application is accesable via: +The Mir code offers no internal search facilities, rather, the design +expects the use of an external program to crawl and index the static +site. One (recommended) tool for doing this is htdig +(http://htdig.org), which generates static databases of the site +content and then accesses those databases through a very fast CGI +program written in C. In the scripts directory, a perl CGI script +which wraps calls to htsearch is provided (scripts/search.pl) which +will allow searching based off of media type. (This is possible +because the standard templates will include META keywords like +hasAudio, hasVideo, etc.) - http://host/Mir +UPGRADING -and the openposting-servlet via - - http://host/OpenMir +see the UPGRADING.mir file. + +TROUBLESHOOTING + +You can give these a try if anything goes wrong: + ++ Restart Tomcat. Especially after compiling the sources Tomcat has to be + restarted. + ++ Check file permissions and ownership. Try and run perms.sh. + +---------------------------------------------------------------- -standard login is redaktion/indymedia +$Date: 2002/07/08 16:20:32 $ - the Mir coders