Update cheatsheets

linux/autopkgtest

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# autopkgtest
+
+> Run tests on Debian packages.
+> More information: <https://wiki.debian.org/ContinuousIntegration/autopkgtest>.
+
+- Build the package in the current directory and run all tests directly on the system:
+
+`autopkgtest -- {{null}}`
+
+- Run a specific test for the package in the current directory:
+
+`autopkgtest --test-name={{test_name}} -- {{null}}`
+
+- Download and build a specific package with `apt-get`, then run all tests:
+
+`autopkgtest {{package}} -- {{null}}`
+
+- Test the package in the current directory using a new root directory:
+
+`autopkgtest -- {{chroot}} {{path/to/new/root}}`
+
+- Test the package in the current directory without rebuilding it:
+
+`autopkgtest --no-built-binaries -- {{null}}`