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Tiki Install FAQ

Questions that users and admins have asked about installing Tiki...
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Questions

  1. Can TikiWiki be installed on a windows box?
  2. How do I unzip the bz2 files on my linux box?
  3. I need to change the permissions to all of my directories to 777... how do I do that? (And yes, I know it's not safe!)
  4. I'm installing via the rpm... but it's giving me some problems saying another version exists. What should I do?
  5. How do I find which group I belong to under linux while installing under linux?
  6. How do you find out what you've been doing under ssh?
  7. I've installed Tiki but the Galaxia graphs aren't showing up. What am I missing?
  8. Can PostgreSQL be used as a database instead of MySQL?
  9. I'm not able to view thumbnails or graphs from GraphViz, what am I missing?
  10. I've installed GraphViz and the Galaxia graphs _still_ aren't showing up on my *nix system with TikiWiki 1.7. What do I do now?
  11. My web hosting server runs PHP with safe mode restriction and I got simmilar errors like this: Warning: Smarty error: problem writing 'templates_c//en/58/584454252/tiki.tpl.php.' in /home/user/www/tikiwiki_1.7/Smarty/Smarty.class.php on line 999 What can I do?
  12. Where are the install instructions for Tiki?
  13. Why does Tiki seem so slow when starting?
  14. Here's the error message I get when trying to install 1.7.2 on a fresh database (since I corrupted my older one playing with MySQL) --------- Warning: MYSQL error: DB Error: no such table in query: select value from tiki_preferences where name='rememberme' in d:\program files\easyphp\www\tiki\lib\tikilib.php on line 101
  15. I've changed the login settings (LDAP or SSL only), and now can't log in.

Answers

Question: Can TikiWiki be installed on a windows box?
Answer:  Yes!
Question: How do I unzip the bz2 files on my linux box?
Answer: 

$: tar xvjf
Since I'm in the directory I type the command and then the first letter of the file and then TAB for autocompletion.

Question: I need to change the permissions to all of my directories to 777... how do I do that? (And yes, I know it's not safe!)
Answer: 

root@localhost tiki]# chmod -R 777 *

Question: I'm installing via the rpm... but it's giving me some problems saying another version exists. What should I do?
Answer: 

try
rpm -e theoldtikversionname
to uninstall the old version and then rerun
or
rpm -qa | grep -i 'tiki*'
to find the version of tiki that is installed...

Question: How do I find which group I belong to under linux while installing under linux?
Answer:  You can find your group using the command 'id'.
Question: How do you find out what you've been doing under ssh?
Answer: 

You are still under ssh try 

scp ~/.bash_history /tmp/bash_hist.txt

Question: I've installed Tiki but the Galaxia graphs aren't showing up. What am I missing?
Answer: 

Check to see if GraphViz is installed. On Redhat
rpm -q graphviz
should have some output like
graphviz-1.9-fr0.rh73.1
Please see: http://tikiwiki.org/tiki-index.php?page=InstallGraphViz for more info.

Question: Can PostgreSQL be used as a database instead of MySQL?
Answer:  Since 1.8 it can be done although it is known to be causing a few problems compared to MySQL.
Question: I'm not able to view thumbnails or graphs from GraphViz, what am I missing?
Answer: 

Probably an image handler, thumbs and GraphViz both need a tiool like ImageMagick or GD. ImageMagick is reported as being more dependable. Your mileage may vary.
http://tikiwiki.org/tiki-index.php?page=InstallImageMagick

Question: I've installed GraphViz and the Galaxia graphs _still_ aren't showing up on my *nix system with TikiWiki 1.7. What do I do now?
Answer:  There are some case sensitivity problems with the initial 1.7 release. See and use the patch at http://sourceforge.net/tracker/index.php?func=detail&aid=784994&group_id=64258&atid=506848
Question: My web hosting server runs PHP with safe mode restriction and I got simmilar errors like this: Warning: Smarty error: problem writing 'templates_c//en/58/584454252/tiki.tpl.php.' in /home/user/www/tikiwiki_1.7/Smarty/Smarty.class.php on line 999 What can I do?
Answer: 
  1. Have a look into Smarty/Smarty.class.php and set $use_sub_dirs to false.
  2. Then in db/tiki-db.php change the line with ini_set to your paths.

E.g.: 

ini_set('include_path', '/home/user/www/tikiwiki_1.7/lib:/home/user/tikiwiki_1.7/lib/pear:'.$current_path);
Question: Where are the install instructions for Tiki?
Answer:  Right here http://tikiwiki.org/tiki-browse_categories.php?parentId=57 for your reading pleasure...
Question: Why does Tiki seem so slow when starting?
Answer:  The Smarty templates upon which Tiki is built are being compiled for the first time. Once compiled Tiki will run very smoothly.
Question: Here's the error message I get when trying to install 1.7.2 on a fresh database (since I corrupted my older one playing with MySQL) --------- Warning: MYSQL error: DB Error: no such table in query: select value from tiki_preferences where name='rememberme' in d:\program files\easyphp\www\tiki\lib\tikilib.php on line 101
Answer: 

Your db sounds like empty did you run tiki-install.php?
Fix= rerun tiki.sql, that drops and creates tables, clearing everything out.

Question: I've changed the login settings (LDAP or SSL only), and now can't log in.
Answer:  See InstallTikiTroubleShootingDoc for detailed instructions on how to fix this.