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tutorial - apache2 setup proxy and error for xml lib

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PICCORO Lenz McKAY 2022-08-27 01:56:50 -04:00
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tutorials/professional-way/server-alpine-apache2-professional.md
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@ -150,6 +150,38 @@ rc-service lighttpd restart
If you change the user dir , then you must change the directory definition at the last block.
#### Apache2 alpine proxy modules setup
The error of the XML file in the proxy modules are due the incomplete right made package:
```
httpd: Syntax error on line 481 of /etc/apache2/httpd.conf: Syntax error on line 13 of /etc/apache2/conf.d/proxy-html.conf: Cannot load /usr/lib/libxml2.so into server: Error loading shared library /usr/lib/libxml2.so: No such file or directory
```
The right setup of any proxy module or redirection is:
1. install the proxy apache2 packages
2. fix the configuration of the modules
3. setup a conf file for your redirection
4. restart the service
```
apk add apache2-proxy-html apache2-proxy
sed -i -r 's#/usr/lib/libxml2.so#/usr/lib/libxml2.so.2#g' /etc/apache2/conf.d/proxy-html.conf
cat >> /etc/apache2/conf.d/myproxy.conf << EOF
ProxyPreserveHost On
ProxyRequests off
AllowEncodedSlashes NoDecode
ProxyPass / http://127.0.0.1:3002/ nocanon
EOF
service apache2 restart
```
**WARNING** of course, the `myproxy.conf` is hypothetical, for didactic purposes, here it is only exemplified that the error is corrected in the step of the sed command to work.
#### Apache2 SSL support
The package as we said is made in a limited way, and only has a unique config file at `/etc/apache2/conf.d/ssl.conf`.