https://blog.rishavs.in/tags/service/Recent content in Service on Rishav's Digital GardenHugoen-usThu, 15 May 2025 17:37:00 +0000https://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/format-comparison/Wed, 07 Aug 2024 09:37:00 +0000https://blog.rishavs.in/posts/format-comparison/<h2 id="compression-format-comparison">Compression Format Comparison</h2> <table> <thead> <tr> <th>Format</th> <th>Compression Ratio</th> <th>Speed (Compression/<br>Decompression)</th> <th>Encryption</th> <th>Speciality/Uniqueness</th> <th>Open Source/ License</th> </tr> </thead> <tbody> <tr> <td>gz (<code>.gz</code>)</td> <td>Moderate</td> <td>Fast / Fast</td> <td>No native (use <code>gpg</code>)</td> <td>Widely supported and fast for most general uses.</td> <td>Yes<br>GNU GPL</td> </tr> <tr> <td>bzip2 (<code>.bz2</code>)</td> <td>Better than gzip</td> <td>Slow / Moderate</td> <td>No native (use <code>gpg</code>)</td> <td>Higher compression ratio and robust error detection.</td> <td>Yes<br>BSD</td> </tr> <tr> <td>xz (<code>.xz</code>)</td> <td>Best</td> <td>Very slow / Fast</td> <td>No native (use <code>gpg</code>)</td> <td>Highest compression ratio; slow compression speed.</td> <td>Yes<br>GNU GPL</td> </tr> <tr> <td>zip (<code>.zip</code>)</td> <td>Moderate</td> <td>Fast / Fast</td> <td>Built-in encryption</td> <td>Commonly used with built-in encryption and wide software support.</td> <td>Yes<br>Various (Info-ZIP)</td> </tr> <tr> <td>tar (<code>.tar</code>)</td> <td>Depends on method</td> <td>Fast (archive only) / Fast (archive only)</td> <td>No native (use <code>gpg</code>)</td> <td>Primarily used for archiving; compression depends on additional tools.</td> <td>Yes<br>GNU GPL</td> </tr> <tr> <td>7z (<code>.7z</code>)</td> <td>Excellent</td> <td>Moderate / Slow at high settings</td> <td>AES-256 encryption</td> <td>Excellent compression with advanced encryption options.</td> <td>Yes<br>LGPL</td> </tr> <tr> <td>rar (<code>.rar</code>)</td> <td>Good</td> <td>Moderate / Moderate</td> <td>AES-256 encryption</td> <td>Includes error recovery and strong encryption; proprietary format.</td> <td>No<br>Proprietary</td> </tr> <tr> <td>lzma (<code>.lzma</code>)</td> <td>Very high</td> <td>Very slow / Moderate</td> <td>No native (use <code>gpg</code>)</td> <td>High compression ratio with reliable decompression; requires separate decompressor.</td> <td>Yes<br>GNU GPL</td> </tr> </tbody> </table> <h2 id="key-points">Key Points</h2> <ul> <li><code>gz (.gz)</code>: Well-rounded for speed and compatibility, commonly used for general purposes.</li> <li><code>bzip2 (.bz2)</code>: Provides a higher compression ratio compared to gzip, though slower.</li> <li><code>xz (.xz)</code>: Offers the best compression ratio but at the cost of slower compression speed.</li> <li><code>zip (.zip)</code>: Convenient with built-in encryption and broad compatibility.</li> <li><code>tar (.tar)</code>: Primarily an archiving format; often used in combination with other compression methods.</li> <li><code>7z (.7z)</code>: Excellent compression and strong encryption; requires specific software for full support.</li> <li><code>rar (.rar)</code>: Known for robust recovery features and encryption, but is proprietary.</li> <li><code>lzma (.lzma)</code>: Delivers a high compression ratio and reliable decompression, though it’s slow.</li> </ul>