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<html lang="en">
+ <head>
+ <title>Extra Extra</title>
+ <link rel="stylesheet" href="style.css">
+ <style>
+ code {
+ border: 1px solid grey;
+ border-radius: 3px;
+ color: #434C5E;
+ padding: 1.5px;
+ }
+ pre {
+ background: #f4f4f4;
+ border: 1px solid #grey;
+ color: #434C5E;
+ padding-top: 20px;
+ padding-left: 20px;
+ overflow: auto;
+ }
+ </style>
+ </head>
<body>
+ <h2>Some bits & bobs</h2>
+ Here lives some miscellaneous things I reference one or one hundred
+ times and figure they should be gathered somewhere.
+ <h3>wpa_supplicant</h3>
+ Frequently forgotten usage of the <code>wpa_cli</code> tool
+ <pre>
+> scan
+...
+<3>CTRL-EVENT-SCAN-RESULTS
+> scan_results # run once above event appears
+bssid / freq / sig lvl / flags / ssid
+...
+> add_network
+#
+> set_network # ssid "my network"
+> set_network # psk "my psswd"
+# or if no password:
+> set_network # key_mgmt NONE
+> enable_network #
+> save_config
+ </pre>
+ <h3>GPG key signing with Git</h3>
+ Sometime ago I spent hours on a new system on this. When signing a
+ commit, this error would appear
+ <pre>
+gpg: skipped "Foo Bar <Foo_Bar@baz>": No secret key[GNUPG:] INV_SGNR 9 Foo Bar <Foo_Bar@baz>[GNUPG:] FAILURE sign 17
+gpg: signing failed: No secret key
+ </pre>
+ After much searching I came up empty handed. Finally, one thing
+ stood out. The name and email in <code>~/.gitconfig</code> must
+ match exactly to the name and email associated with the GPG key
+ <pre>
+$ gpg --list-secret-keys --keyid-format=long
+/home/foo/.gnupg/pubring.kbx
+-----------------------------
+sec rsa4096/FC53C827D09C7050 2019-03-24 [SC]
+ ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890
+uid [ultimate] Foo Bar <Foo_Bar@baz>
+ssb rsa4096/2EE67124D597BB00 2019-03-24 [E]
+
+$ head -n 4 .gitconfig
+[user]
+ name = Foo Bar
+ email = Foo_Bar@baz
+ signingkey = FC53C827D09C7050
+ </pre>
</body>
</html>