Update cheatsheets

tldr/linux/update-ca-certificates

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# update-ca-certificates
+
+> Update the CA certificates bundle and regenerate `/etc/ssl/certs`.
+> More information: <https://manned.org/update-ca-certificates>.
+
+- Update certificates:
+
+`sudo update-ca-certificates`
+
+- Update certificates in verbose mode:
+
+`sudo update-ca-certificates {{[-v|--verbose]}}`
+
+- Perform a fresh update (remove all symlinks and regenerate):
+
+`sudo update-ca-certificates {{[-f|--fresh]}}`
+
+- Add a custom certificate (copy it first, then update):
+
+`sudo cp {{path/to/certificate.crt}} /usr/local/share/ca-certificates/ && sudo update-ca-certificates`