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--- start [2023/10/21 13:27] – abeverley
+++ start [2024/09/04 08:23] (current) – abeverley
@@ Line 24: / Line 24: @@
   debuild -uc -us
-References:
+==== Example: building openarc package from experimental ====
+Add experimental sources to ''/etc/apt/sources.list'':
+  deb-src http://httpredir.debian.org/debian/ experimental main contrib
+  apt-get build-dep openarc
+  apt-get source openarc
+  cd openarc-1.0.0~beta3+dfsg/
+  # Download additional patches
+  cd debian/patches
+  wget https://github.com/trusteddomainproject/OpenARC/pull/167.patch
+  wget https://github.com/trusteddomainproject/OpenARC/pull/168.patch
+  wget https://github.com/trusteddomainproject/OpenARC/pull/170.patch
+  wget https://github.com/trusteddomainproject/OpenARC/pull/173.patch
+  # Apply
+  cd ../..
+  patch -p1 < debian/patches/167.patch
+  patch -p1 < debian/patches/168.patch
+  patch -p1 < debian/patches/170.patch
+  patch -p1 < debian/patches/173.patch
+  dch --bpo # Add letter to suggested version
+  dpkg-source --commit
+  debuild -uc -us
+==== References ====
 https://ostechnix.com/how-to-build-debian-packages-from-source/
 https://unix.stackexchange.com/questions/112157/
+Versioning info: https://www.debian.org/doc/debian-policy/ch-controlfields.html#version
+===== Building Debian packages of Perl modules =====
+On production servers, I much prefer to use Perl modules from Debian repositories, rather than installing from CPAN or using some sort of pinning technique. The advantage is that they are maintained upstream, are more stable, faster to install and easier overall to manage.
+Sometimes a Perl module is either not available in the main Debian repositories, or the version is too old (or I need a patch that has not made it upstream yet). In these circumstances I build my own Debian packages of Perl modules. Normally building a package is easy, but sometimes it can be a bit of an art. Read more about [[building Debian packages of Perl modules]].
 ===== JSON Web Tokens with Perl =====
 Some examples of [[how to use JWTs with Perl]]
+===== Bulk resizing images =====
+  # Maximum width 400px and max height 700px
+  mogrify -resize '400x700>' *.png
+  # Maximum width 400px
+  mogrify -resize '400>' *.png
 ===== Using Overlay (OpenStreetMap) =====