Difference between revisions of "A2enmod"
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If you've never looked at a shell script before, and tutorials seem too basic, then here is an example of a more complete shell script: | If you've never looked at a shell script before, and tutorials seem too basic, then here is an example of a more complete shell script: | ||
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Revision as of 12:03, 30 October 2008
a2enmod[edit | edit source]
is a shell script provided on Debian, and Debian-based Linux systems for quickly enabling extension modules of the Apache web server.
From the manual:
a2enmod is a script that enables the specified module within the apache2 configuration. It does this by creating symlinks within /etc/apache2/mods-enabled
. Likewise, a2dismod disables a module by removing those symlinks. It is not an error to enable a module which is already enabled, or to disable one which is already disabled.
If you've never looked at a shell script before, and tutorials seem too basic, then here is an example of a more complete shell script:
/usr/sbin/a2enmod
#!/bin/sh -e
SYSCONFDIR='/etc/apache2'
if [ -z $1 ]; then
echo "Which module would you like to enable?"
echo -n "Your choices are: "
ls /etc/apache2/mods-available/*.load | \
sed -e "s,$SYSCONFDIR/mods-available/,,g" | sed -e 's/\.load$//g;' | xargs echo
echo -n "Module name? "
read MODNAME
else
MODNAME=$1
fi
#figure out if we are on a prefork or threaded mpm
if [ -x /usr/sbin/apache2 ]; then
PREFORK=`/usr/sbin/apache2 -l | grep -E 'prefork|itk' || true`
fi
if [ "$MODNAME" = "cgi" ] && [ -z $PREFORK ]; then
MODNAME="cgid"
echo "Your MPM seems to be threaded. Selecting cgid instead of cgi."
fi
if [ -e $SYSCONFDIR/mods-enabled/$MODNAME.load ]; then
echo "This module is already enabled!"
exit 0
fi
if ! [ -e $SYSCONFDIR/mods-available/$MODNAME.load ]; then
echo "This module does not exist!" >&2
exit 1
fi
DEPENDS=`grep "# Depends:" $SYSCONFDIR/mods-available/$MODNAME.load|cut -f2 -d:`
if [ ! -z "$DEPENDS" ]; then
for i in $DEPENDS; do
echo "Enabling $i as a dependency"
/usr/sbin/a2enmod "$i";
done
fi