Blender, jupyter, TLS, ls, java

how_to

@@ -1143,6 +1143,7 @@ Mounting .bin/.cue image files:
 Manual IMAP connection:
     # https://www.atmail.com/blog/imap-101-manual-imap-sessions/
     # https://stackoverflow.com/questions/14959461/how-to-talk-to-imap-server-in-shell-via-openssl
+    # https://gist.github.com/fedir/1d8f8fb8a5f80090705ef7793936216a²
 
     $ openssl s_client -connect <imap server>:993 -crlf [-quiet]
     $ openssl s_client -connect <imap server>:143 -crlf -starttls imap [-quiet]
@@ -1332,3 +1333,33 @@ Fix chromium microphone autogain (qutebrowser):
 
     # https://github.com/qutebrowser/qutebrowser/discussions/6628
     # https://bugs.chromium.org/p/chromium/issues/detail?id=435112
+
+Blender:
+    Display vertex indices (blender >= 2.8):
+        # https://blender.stackexchange.com/a/158495
+        # https://devtalk.blender.org/t/how-to-enable-the-vertex-indices-overlay-over-each-vertex/15491/4
+        - Edit > Preferences > Interface > Developer Extras (enable)
+        - Edit Mode
+        - Overlays (dropdown, top-right) > Indices (enable) (under: "Developer")
+
+Jupyter:
+    Clear notebook of output data for publishing:
+        # https://stackoverflow.com/a/47774393/5309963
+        # In-place version
+        jupyter nbconvert --clear-output --inplace my_notebook.ipynb
+        # Or to write to a new file
+        jupyter nbconvert --clear-output \
+            --to notebook --output=my_notebook_no_out my_notebook.ipynb
+
+Check SSL/TLS certificate expiration date:
+    echo | openssl s_client -servername <name.example.tld> -connect <example.tld>:443 2>/dev/null | openssl x509 -noout -dates
+
+List files in chronological order with ls:
+    # https://shkspr.mobi/blog/2020/12/anatomy-of-an-ls-command/
+    ls -trhgGN --color=always | cut -d" " -f3-
+
+Change default java environment (archlinux):
+    # https://wiki.archlinux.org/title/Java#List_compatible_Java_environments_installed
+    archlinux-java status
+    # Example
+    archlinux set java-18-openjdk