How do I get apache to startup at bootime on Linux

I have installed apache2 from source on my Linux box. apachectl -k start works just fine, but how do I get apache to start at boot time?

This is on a redhat distribution:

Linux <hostname> 2.6.9-55.ELsmp #1 SMP Fri Apr 20 17:03:35 EDT 2007 i686 i686 i386 GNU/Linux

From serverfault grieve

• chkconfig --levels 345 httpd

  will start httpd in runlevels 3,4,5.

  chkconfig --list will show all services and their current startup runlevels. 345 is typical for a network service.

  From elint

• It depends on your flavour of linux. Assuming the file /etc/init.d/apache2 has been created, try:

  chkconfig -a apache2
  

  or

  update-rc.d apache2 defaults
  

  One of them should work.

  Kyle Brandt : The chkconfig answer is for Red-Hat like systems (ie CentOS) and update-rc.d is for Debian like systems (ie Ubuntu)
  From Neobyte

• you want to add its init script to the approriate run level. The init script is typically /etc/init.d/apache2 where you could manually run /etc/init.d/apache2 start to start it.

  on Gentoo you would write:

  rc-update add apache2 default
  

  On Ubuntu/Debian this works:

  sudo update-rc.d apache2 defaults
  

  on Redhat/Fedora a little googling shows this:

  chkconfig --add apache2
  

  It varies a little bit from distro to distro, but the idea is usually the same. Basically what all these commands do is make a symbolic link from /etc/init.d/ to the appropriate run-level folder in /etc/.

  grieve : Thanks for the answer it got me pointed in the right direction. I summarized what I did below.
  From Evan Teran

• As you have installed by source there will not be an init script installed in the /etc/init.d/ directory. The apachectl binary is designed to be compatible with standard init script options so you may well be able to simply symlink to it rather than creating a wrapper script (e.g ln -s /usr/local/sbin/apachectl /etc/init.d/apache)

  You can then follow the procedures outlined in the other posts for adding links to invoke the init script at the correct runlevels.

  Citation: Apache Documentation http://httpd.apache.org/docs/2.2/invoking.html

  Starting at Boot-Time

  If you want your server to continue running after a system reboot, you should add a call to apachectl to your system startup files (typically rc.local or a file in an rc.N directory). This will start Apache as root. Before doing this ensure that your server is properly configured for security and access restrictions.

  The apachectl script is designed to act like a standard SysV init script; it can take the arguments start, restart, and stop and translate them into the appropriate signals to httpd. So you can often simply link apachectl into the appropriate init directory. But be sure to check the exact requirements of your system.

  grieve : Thanks for the answer it got me pointed in the right direction. I summarized what I did below.
  From Russell Heilling

• Here is what finally worked for me. This assumes you are the root user.

  1. touch /etc/init.d/apache2
  2. chmod 755 /etc/init.d/apache2
  3. vi /etc/init.d/apache2 (edit it as shown below)
  4. chkconfig --add apache2
  5. chkconfig --list apache2 (to verify that it worked)

  Contents of /etc/init.d/apache2:

  #!/bin/bash
  #
  # apache2        Startup script for the Apache HTTP Server
  #
  # chkconfig: 3 85 15
  # description: Apache is a World Wide Web server.  It is used to serve \
  #              HTML files and CGI.
  
  /usr/local/apache2/bin/apachectl $@
  

  You can get the runlevel by running /sbin/runlevel, which in my case was 3. And of course you need to call your version of apachectl, which in my case was /usr/local/apache2/bin/apachectl

  Thanks to the following:

  • The answer from Evan Teran +1 for the help
  • The answer from Russell Heilling + 1 for the help
  • man chkconfig
  • This link from sysdigg which contained the information on the runlevel.
  grieve : I really hate to accept my own answer, but it is the one that worked.
  From grieve

• Check if you have httpd init script in rc.d directory. If yes then you can just run following command which enables http service to start at boot time.

  chkconfig -levels 345 httpd on

  If you dont have init script then just append /etc/rc.local file with "apachectl -k start" ( command to start apache )

  Hope it helps.

  From viky

• On Redhat there is a useful utility called ntsysv which lets you select which services you want to start in your current run level. You call also specify which run level you want to edit when you start the utility using --level.

  Scroll down to httpd and press so a star appears in the left hand box. Then to OK. Press to save and return to the shell.

  I've found that it installs pretty much by default. I've never been in a position where it wasn't installed.

  You would need to install the service first though by copying the service script into /etc/init.d then running:

  chkconfig --add <script name>
  

  From Garry Harthill