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Editorial Team
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Asked: 2026-05-26T13:51:04+00:00

I am making an Ubuntu package that depends on Tomcat7 through HTTPS. To make

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I am making an Ubuntu package that depends on Tomcat7 through HTTPS. To make it convenient for our customers, I would like the install script of the package enable HTTPS in Tomcat7. This is pretty easy to do manually; in the file /etc/tomcat7/server.xml, one needs to uncomment the following block:

<!--
<Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
           maxThreads="150" scheme="https" secure="true"
           clientAuth="false" sslProtocol="TLS" />
-->

How could I do this from a shellscript? Preferebly in a way that it still works for slight modifications of the exact pattern. I think the rule would be something along the lines of search for '<Connector port="8443"' and then remove <!-- and --> before and after the block.

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1 Answer

  1. Editorial Team

    Consider apply a patch on your server.xml.

    1. Generating a patch file:

      diff -ruN server.xml.old server.xml.new > mydiff.patch

      Where server.xml.old is the original file, and server.xml.new is the file as you want.

      The patch (mydiff.patch) will look like this:

      --- server.xml.old  2011-10-29 04:03:25.000000000 -0300
+++ server.xml.new 2011-10-29 04:04:03.000000000 -0300
@@ -1,10 +1,10 @@
 (...)

- <!--
  <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
            maxThreads="150" scheme="https" secure="true"
            clientAuth="false" sslProtocol="TLS" />
- --->

 (...)

    2. Then, just apply the patch:

       patch server.xml mydiff.patch

      You can run the patch command with the flag -N. Thus, it will skip files that seems already patched.

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