AI researcher and product designer building at the edge of computer science and mental health. Zola 2026-02-10T00:00:00+00:00 https://brennercruvinel.blog/tags/mvp/atom.xml 2026-02-10T00:00:00+00:00 2026-02-10T00:00:00+00:00 Brenner Cruvinel https://brennercruvinel.blog/blog/hoff-mvp-bloqueio-hosts/ <p>tava fazendo uma faxina no momnorep do hoff, achei essa primeira “POC” que tinha como objetivos bloquear os sites de pornografias e afins de um grande amigos que estava sofrendo com esse vicio que é silecioso, marginalizado, foi a inspiração inicial de tudo, emocionante…</p> <p>primeiro corte do lado pratico do anti-vicio: bloquear sites no nivel do <code>/etc/hosts</code>, apontando o dominio pra loopback. e o MVP mais cru possivel, sem app, so o arquivo de hosts. o que importa aqui e ter o caminho de volta guardado, restaurar o hosts pro padrao quando precisar tirar o bloqueio.</p> <h2 id="restaurar-o-hosts-no-mac">restaurar o hosts no mac</h2> <p>sobrescreve <code>/etc/hosts</code> com o conteudo padrao do macOS.</p> <pre class="giallo" style="color-scheme: light dark; color: light-dark(#657B83, #839496); background-color: light-dark(#FDF6E3, #002B36);"><code data-lang="shellscript"><span class="giallo-l"><span style="color: light-dark(#268BD2, #268BD2);">sudo</span><span style="color: light-dark(#2AA198, #2AA198);"> sh</span><span style="color: light-dark(#CB4B16, #CB4B16);"> -</span><span style="color: light-dark(#CB4B16, #CB4B16);">c</span><span style="color: light-dark(#2AA198, #2AA198);"> &#39;</span><span style="color: light-dark(#2AA198, #2AA198);">echo &quot;##</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);"># Host Database</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);">#</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);"># localhost is used to configure the loopback interface</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);"># when the system is booting. Do not change this entry.</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);">##</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);">127.0.0.1 localhost</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);">255.255.255.255 broadcasthost</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);">::1 localhost</span></span> <span class="giallo-l"><span style="color: light-dark(#2AA198, #2AA198);">&quot; &gt; /etc/hosts</span><span style="color: light-dark(#2AA198, #2AA198);">&#39;</span></span></code></pre><h2 id="restaurar-o-hosts-no-windows">restaurar o hosts no windows</h2> <p>abre o PowerShell como administrador e adiciona as entradas padrao ao final do hosts.</p> <pre class="giallo" style="color-scheme: light dark; color: light-dark(#657B83, #839496); background-color: light-dark(#FDF6E3, #002B36);"><code data-lang="powershell"><span class="giallo-l"><span style="color: light-dark(#268BD2, #268BD2);">Start-Process</span><span> powershell </span><span style="color: light-dark(#859900, #859900);">-</span><span>Verb runAs </span><span style="color: light-dark(#859900, #859900);">-</span><span>ArgumentList </span><span style="color: light-dark(#2AA198, #2AA198);">&quot;</span><span style="color: light-dark(#2AA198, #2AA198);">Add-Content -Path C:\Windows\System32\drivers\etc\hosts -Value &#39;127.0.0.1 localhost&#39;, &#39;::1 localhost&#39;</span><span style="color: light-dark(#2AA198, #2AA198);">&quot;</span></span></code></pre> <p>se a ideia for sobrescrever o arquivo inteiro com as entradas padrao em vez de so anexar:</p> <pre class="giallo" style="color-scheme: light dark; color: light-dark(#657B83, #839496); background-color: light-dark(#FDF6E3, #002B36);"><code data-lang="powershell"><span class="giallo-l"><span style="color: light-dark(#268BD2, #268BD2);">Start-Process</span><span> powershell </span><span style="color: light-dark(#859900, #859900);">-</span><span>Verb runAs </span><span style="color: light-dark(#859900, #859900);">-</span><span>ArgumentList </span><span style="color: light-dark(#2AA198, #2AA198);">&quot;</span><span style="color: light-dark(#2AA198, #2AA198);">Set-Content -Path C:\Windows\System32\drivers\etc\hosts -Value &#39;127.0.0.1 localhost</span><span style="color: light-dark(#CB4B16, #CB4B16);">`n</span><span style="color: light-dark(#2AA198, #2AA198);">::1 localhost&#39;</span><span style="color: light-dark(#2AA198, #2AA198);">&quot;</span></span></code></pre>