Update cheatsheets

tlmgr

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tlmgr
+
+> Manages packages and configuration options of an existing TeX Live installation.
+> Some subcommands such as `tlmgr paper` have their own usage documentation.
+> More information: <https://www.tug.org/texlive/tlmgr.html>.
+
+- Install a package and its dependencies:
+
+`tlmgr install {{package}}`
+
+- Remove a package and its dependencies:
+
+`tlmgr remove {{package}}`
+
+- Display information about a package:
+
+`tlmgr info {{package}}`
+
+- Update all packages:
+
+`tlmgr update --all`
+
+- Show possible updates without updating anything:
+
+`tlmgr update --list`
+
+- Start a GUI version of tlmgr:
+
+`tlmgr gui`
+
+- List all TeX Live configurations:
+
+`tlmgr conf`