https://blog.rishavs.in/tags/utilities/Recent content in Utilities on Rishav's Digital GardenHugoen-usTue, 20 May 2025 09:39:00 +0000https://blog.rishavs.in/posts/ssh-audit/Tue, 20 May 2025 09:39:00 +0000https://blog.rishavs.in/posts/ssh-audit/<h2 id="overview">Overview</h2> <p><strong>ssh-audit</strong> is a tool for ssh server &amp; client configuration auditing(banner, key exchange, encryption, mac, compression, compatibility, security, etc).</p> <h2 id="installation">Installation</h2> <ul> <li>On Arch</li> </ul> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>pacman -S ssh-audit </span></span></code></pre></div><ul> <li>pip</li> </ul> <pre tabindex="0"><code>pip3 install ssh-audit </code></pre><ul> <li>Generic - Download and extract tarball from release</li> </ul> <h2 id="usage">Usage</h2> <pre tabindex="0"><code>./ssh-audit.py 192.168.101.201 </code></pre><h2 id="references">References</h2> <ul> <li><a href="https://github.com/jtesta/ssh-audit">https://github.com/jtesta/ssh-audit</a></li> <li><a href="https://www.ssh-audit.com/hardening_guides.html">https://www.ssh-audit.com/hardening_guides.html</a></li> </ul>https://blog.rishavs.in/posts/nfs/Thu, 15 May 2025 17:37:00 +0000https://blog.rishavs.in/posts/nfs/<p>Install <code>nfs-kernel-server</code></p> <p><code>mkdir ~/Public</code></p> <p>Export the rootfs folder</p> <p>Add the following entry to <code>/etc/exports</code>:</p> <pre tabindex="0"><code>/home/rishav/Public *(rw,async,nohide,insecure,no_root_squash,no_subtree_check) </code></pre><p>Update the NFS server&rsquo;s exports</p> <pre tabindex="0"><code>sudo exportfs -arv </code></pre><p>Make the NFS server serve over UDP Add the following to <code>/etc/nfs.conf</code></p> <pre tabindex="0"><code>[nfsd] udp=y vers2=y </code></pre><p>Restart the NFS server</p> <pre tabindex="0"><code>systemctl restart nfs-server.service </code></pre>https://blog.rishavs.in/posts/cu-call-up-another-system/Tue, 18 Jun 2024 11:33:00 +0000https://blog.rishavs.in/posts/cu-call-up-another-system/<h2 id="official-description">Official Description</h2> <p>The  cu  command is used to call up another system and act as a dial-in terminal (mostly on a serial line ie. serial monitor). It can also do simple file transfers with no error checking.</p> <blockquote> <p>cu is part of the UUCP(Unix to Unix Copy Program) source but has been split into its own package because it can be useful even if you do not do uucp.</p></blockquote> <h2 id="usage">Usage</h2> <p>Start</p>