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It seems a simple apt-get remove apache2 does not completely remove apache2 as I can still see it on one of the processes when running top. How does one remove apache2 completely on his ubuntu server?

It's not removed indeed:

~# which apache2
/usr/sbin/apache2
~# whereis apache2
apache2: /usr/sbin/apache2 /etc/apache2 /usr/lib/apache2 /usr/share/apache2 /usr/share/man/man8/apache2.8.gz

But when I do apt-get remove apache2 again:

# apt-get remove apache2
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package apache2 is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
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1  
run apt-get purge apache2. It will remove the all config files. –  Manula Waidyanatha Aug 17 '12 at 10:06

5 Answers 5

up vote 33 down vote accepted

apache2 is a metapackage that just selects other packages. If you installed apache by installing that package, you just need to run this to clean up the automatically selected packages:

sudo apt-get autoremove

If that doesn't work, you might have installed one of the dependents manually. You can target all the apache2- packages from space and nuke the lot:

sudo apt-get remove apache2*

For future reference, to find out which package a binary is from, you can run this:

dpkg -S `which apache2`

I'd expect that to come back with apache2.2-bin

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also, use --purge if you want the configuration files to be deleted as well: apt-get --purge remove apache2 –  xyious Aug 17 '12 at 10:03
    
The last command outputs apache2-mpm-prefork: /usr/sbin/apache2 –  Pineapple Under the Sea Aug 17 '12 at 10:03
    
@Severus fair enough -- I was just guessing but that makes sense. Yeah I'd just use the wildcard but keen an eye on what it's going to delete. apache2-common is used by some tools that aren't the apache2 httpd so you might need to reinstall some thing after. –  Oli Aug 17 '12 at 10:06
    
@Oli Removing things with a regex 'apache2*' is dangerous, loads of things end up getting removed –  jasdeepkhalsa Dec 8 '13 at 7:57
    
@jasdeepkhalsa It's not "dangerous". apt-get (unlike apt-cache) limits its searches to names-only so it's not that far-reaching. Everything it captures is Apache or Apache dependent. Check it yourself with apt-get -s remove apache2* –  Oli Dec 9 '13 at 8:53

Follow these steps to remove the apache2 service using Terminal:

  1. First stop the apache2 service if it is running with: sudo service apache2 stop
  2. Now remove and cleanup all the apache2 packages with:

    sudo apt-get purge apache2 apache2-utils apache2.2-bin apache2-common
    
  3. Finally, run sudo apt-get autoremove just in case any other cleanup in needed

You can do the following two tests to confirm apache has been removed:

  1. which apache2 - should return a blank line
  2. sudo service apache2 start - should return apache2: unrecognized service
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First check if you are using right package name, IMO correct package name is : apache2.x-common

If you want to completely remove the package including config files then try:

    dpkg --purge apache2.2-common
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You can do the following two tests to confirm apache has been removed:

which apache2 - should return a blank line sudo service apache2 start- should return apache2: unrecognized service

Not return apache2: unrecognized service but No apache MPM package install . Is it completely removed or not yet?

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simply delete file apache2 under /etc/init.d/apache2 .. but first you'll need to do this :

sudo service apache2 stop

sudo chown user /etc/init.d/apache2
sudo chmod 755 /etc/init.d/apache2
sudo rm /etc/init.d/apache2 

it's worth for me :)

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2  
Nope, this wont remove apache. –  Braiam Feb 21 at 4:42
1  
Yeah don't do this, don't do this at all! –  Urda May 9 at 21:02

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