https://teezhiyao.com/tags/raspberry-pi/Recent content in Raspberry-Pi on Tee Zhi YaoHugo -- gohugo.ioenSun, 24 May 2026 00:00:00 +0000https://teezhiyao.com/posts/multi-profile-telegram-bot-setup-with-hermes-agent-and-obsidian/Sun, 24 May 2026 00:00:00 +0000https://teezhiyao.com/posts/multi-profile-telegram-bot-setup-with-hermes-agent-and-obsidian/<p>This post documents my setup: a Hermes Agent running on a Raspberry Pi with multiple Telegram bot profiles, each assigned to its own topic within a single supergroup. The entire system integrates with an Obsidian vault for persistent note storage and git-backed sync.</p> <h2 id="hardware-foundation">Hardware Foundation</h2> <p><strong>Raspberry Pi 4</strong> running Raspberry Pi OS Lite (no desktop):</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#6272a4"># After flashing Pi OS Lite to SD card, enable SSH before first boot</span> </span></span><span style="display:flex;"><span>touch /bootfs/ssh </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#6272a4"># First login</span> </span></span><span style="display:flex;"><span>ssh pi@&lt;ip-address&gt; </span></span><span style="display:flex;"><span>sudo raspi-config </span></span><span style="display:flex;"><span><span style="color:#6272a4"># → Interface Options → SSH: Enable</span> </span></span><span style="display:flex;"><span><span style="color:#6272a4"># → Localisation → Timezone: Asia/Singapore</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#6272a4"># Static IP via router DHCP reservation recommended for reliable access</span> </span></span></code></pre></div><p>Essential packages:</p>