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+# `m365`
+
+CLI tool for Microsoft 365.
+
+## Table of contents <!-- omit in toc -->
+
+1. [TL:DR](#tldr)
+1. [Further readings](#further-readings)
+1. [Sources](#sources)
+
+## TL:DR
+
+```sh
+# Installation.
+npm install -g '@pnp/cli-microsoft365'
+yarn global add '@pnp/cli-microsoft365'
+docker run --rm -it 'm365pnp/cli-microsoft365':'latest'
+
+# Disable telemetry.
+m365 cli config set -k 'disableTelemetry' -v 'true'
+
+# Login to Microsoft 365.
+m365 login -t 'browser'
+m365 login --authType 'password' \
+  --userName 'user@contoso.com' --password 'pass@word1'
+m365 login --authType 'certificate' \
+  --certificateFile 'path/to/cert.pfx' --password 'pass@word1'
+
+# Check the current login status.
+m365 status
+
+# Send messages to a chat in Teams.
+# Specify *only one* of 'chatId', 'chatName' or 'userEmails'.
+m365 teams chat message send --chatId 'chat-uuid' -m 'hello world'
+m365 teams chat message send --chatName 'chat-display-name' -m 'hello world'
+m365 teams chat message send -e 'user-email-1,…,user-email-N' -m 'hello world'
+m365 teams chat message send … -m 'hello <b>world</b>'
+
+# Send messages to a channel in Teams.
+m365 teams message send -t 'team-uuid' -c 'channel-uuid' -m 'hello world'
+m365 teams message send … -m 'hello <b>world</b>'
+
+# Logout.
+m365 logout
+```
+
+## Further readings
+
+- [Website]
+- [Github]
+- [node.js]
+- [`npm`][npm]
+
+## Sources
+
+All the references in the [further readings] section, plus the following:
+
+<!-- project's references -->
+[github]: https://github.com/pnp/cli-microsoft365
+[website]: https://pnp.github.io/cli-microsoft365/
+
+<!-- internal references -->
+[further readings]: #further-readings
+[node.js]: node.js.md
+[npm]: npm.md
+
+<!-- external references -->
diff --git a/knowledge base/node.js.md b/knowledge base/node.js.md
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+# Node.js
+
+Open-source, cross-platform JavaScript runtime environment.
+
+## Table of contents <!-- omit in toc -->
+
+1. [TL:DR](#tldr)
+1. [Further readings](#further-readings)
+1. [Sources](#sources)
+
+## TL:DR
+
+```sh
+# Use a custom CA certificate.
+export NODE_EXTRA_CA_CERTS='path/to/trusted/ca/cert.pem'
+```
+
+## Further readings
+
+- [Website]
+- [`npm`][npm]
+
+## Sources
+
+All the references in the [further readings] section, plus the following:
+
+<!-- project's references -->
+[website]: https://nodejs.org/en
+
+<!-- internal references -->
+[further readings]: #further-readings
+[npm]: npm.md
+
+<!-- external references -->
diff --git a/knowledge base/npm.md b/knowledge base/npm.md
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+# Node Package Manager CLI
+
+## Table of contents <!-- omit in toc -->
+
+1. [TL:DR](#tldr)
+1. [Further readings](#further-readings)
+1. [Sources](#sources)
+
+## TL:DR
+
+```sh
+# Disable SSL verification.
+npm config set 'strict-ssl'='false'
+
+# Use a custom CA certificate.
+npm config set 'cafile'='path/to/ca/cert.pem'
+
+# Install packages.
+npm install '@pnp/cli-microsoft365'
+npm install -g '@pnp/cli-microsoft365@latest'
+
+# Remove packages.
+npm uninstall '@pnp/cli-microsoft365'
+```
+
+## Further readings
+
+- Official [documentation]
+- [node.js]
+
+## Sources
+
+All the references in the [further readings] section, plus the following:
+
+<!-- project's references -->
+[documentation]: https://docs.npmjs.com/cli/
+
+<!-- internal references -->
+[further readings]: #further-readings
+[node.js]: node.js.md
+
+<!-- external references -->