Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.
How to disable a service from startup in Ubuntu?
Answer:
For example, to turn off apache2 from startup, use
sudo update-rc.d -f apache2 remove
When the system restart, apache2 will not be running anymore.
But, if you want to add them back later, you can use
sudo update-rc.d -f apache2 defaults
How to hide images request in my Apache's log?
Answer:
Open the Apache config, e.g. vi httpd.conf
Add the following lines around the log configurations, e.g.
...
SetEnvIfNoCase Request_URI "\.gif$|\.png$|\.jpg$" DONT_LOG
CustomLog access.log common env=!DONT_LOG
...
Set default charset in Apache
Answer:
E.g. set the default charset to UTF-8
Add the following lines to the Apache configuration (httpd.conf)
AddDefaultCharset utf-8Restart Apache to take effect
apachectl -k graceful
How to enable / disable service during startup in Fedora?
Answer:
Firstly, check if the service can be managed by chkconfig, e.g. Apache httpd
# chkconfig --list httpd
httpd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
To disable the service during normal startup, use
# chkconfig httpd off
To re-enable it, use
# chkconfig httpd on --level 3,4,5
Install APC for PHP on Ubuntu
Answer:
APC is a very fast byte-code caching module for PHP. (It will become part of PHP6 in the future). By installing it, the performance of your PHP codes can be speed up by 200-300%.
To install it under Ubuntu,
# sudo apt-get install php-apc
Then restart Apache,
# sudo /etc/init.d/apache2 restart
