Ubuntu12.04卸载apache2后再安装出现的问题解决

/etc/init.d/apache2: 51: .: Can't open /etc/apache2/envvars
root@msm:/etc# sudo dpkg --get-selections | grep apache
apache2 install
apache2-mpm-worker install
apache2-utils install
apache2.2-bin install
apache2.2-common install
root@msm:/etc# sudo dpkg --get-selections | grep apache
apache2 install
apache2-mpm-worker install
apache2-utils install
apache2.2-bin install
apache2.2-common install
root@msm:/etc# sudo apt-get remove --purge apache2 apache2-mpm-worker apache2.2-bin apache2.2-common apache2-utils
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
lynx-cur
The following packages will be REMOVED:
apache2* apache2-mpm-worker* apache2-utils* apache2.2-bin* apache2.2-common*
gitweb*
The following NEW packages will be installed:
lynx-cur
0 upgraded, 1 newly installed, 6 to remove and 308 not upgraded.
Need to get 1,060 kB of archives.
After this operation, 2,950 kB disk space will be freed.
Do you want to continue [Y/n]? y
Get:1 http://mirrors.163.com/ubuntu/ precise/main lynx-cur amd64 2.8.8dev.9-2 [1,060 kB]
Fetched 1,060 kB in 0s (1,785 kB/s)
(Reading database ... 155425 files and directories currently installed.)
Removing apache2 ...
Selecting previously unselected package lynx-cur.
(Reading database ... 155422 files and directories currently installed.)
Unpacking lynx-cur (from .../lynx-cur_2.8.8dev.9-2_amd64.deb) ...
Processing triggers for doc-base ...
Processing 1 added doc-base file...
Processing triggers for man-db ...
Setting up lynx-cur (2.8.8dev.9-2) ...
update-alternatives: using /usr/bin/lynx to provide /usr/bin/www-browser (www-browser) in auto mode.
(Reading database ... 155491 files and directories currently installed.)
Removing gitweb ...
Purging configuration files for gitweb ...
Removing apache2-mpm-worker ...
/etc/init.d/apache2: 51: .: Can't open /etc/apache2/envvars
invoke-rc.d: initscript apache2, action "stop" failed.
Removing apache2.2-common ...
Purging configuration files for apache2.2-common ...
Removing apache2-utils ...
Removing apache2.2-bin ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
ureadahead will be reprofiled on next reboot
Processing triggers for ufw ...
root@msm:/etc# sudo apt-get install apache2
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
apache2-mpm-worker apache2-utils apache2.2-bin apache2.2-common
Suggested packages:
apache2-doc apache2-suexec apache2-suexec-custom
The following NEW packages will be installed:
apache2 apache2-mpm-worker apache2-utils apache2.2-bin apache2.2-common
0 upgraded, 5 newly installed, 0 to remove and 308 not upgraded.
Need to get 0 B/1,659 kB of archives.
After this operation, 4,935 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Selecting previously unselected package apache2.2-bin.
(Reading database ... 154933 files and directories currently installed.)
Unpacking apache2.2-bin (from .../apache2.2-bin_2.2.22-1ubuntu1.1_amd64.deb) ...
Selecting previously unselected package apache2-utils.
Unpacking apache2-utils (from .../apache2-utils_2.2.22-1ubuntu1.1_amd64.deb) ...
Selecting previously unselected package apache2.2-common.
Unpacking apache2.2-common (from .../apache2.2-common_2.2.22-1ubuntu1.1_amd64.deb) ...
Selecting previously unselected package apache2-mpm-worker.
Unpacking apache2-mpm-worker (from .../apache2-mpm-worker_2.2.22-1ubuntu1.1_amd64.deb) ...
Selecting previously unselected package apache2.
Unpacking apache2 (from .../apache2_2.2.22-1ubuntu1.1_amd64.deb) ...
Processing triggers for man-db ...
Processing triggers for ufw ...
Processing triggers for ureadahead ...
Setting up apache2.2-bin (2.2.22-1ubuntu1.1) ...
Setting up apache2-utils (2.2.22-1ubuntu1.1) ...
Setting up apache2.2-common (2.2.22-1ubuntu1.1) ...



Enabling site default.
Enabling module alias.
Enabling module autoindex.
Enabling module dir.
Enabling module env.
Enabling module mime.
Enabling module negotiation.
Enabling module setenvif.
Enabling module status.
Enabling module auth_basic.
Enabling module deflate.
Enabling module authz_default.
Enabling module authz_user.
Enabling module authz_groupfile.
Enabling module authn_file.
Enabling module authz_host.
Enabling module reqtimeout.
Setting up apache2-mpm-worker (2.2.22-1ubuntu1.1) ...
* Starting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
[ OK ]
Setting up apache2 (2.2.22-1ubuntu1.1) ...
root@msm:/etc# ls /etc/ap
apache2/ apm/ apparmor.d/ apt/
apg.conf apparmor/ apport/
root@msm:/etc# ls /etc/ap
apache2/ apm/ apparmor.d/ apt/
apg.conf apparmor/ apport/
root@msm:/etc# ls /etc/apache2/
apache2.conf envvars magic mods-enabled sites-available
conf.d httpd.conf mods-available ports.conf sites-enabled
root@msm:/etc# service apache2 restart
* Restarting web server apache2 apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
... waiting .apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
[ OK ]
root@msm:/etc#