<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Dzubayyan Ahmad</title><link>https://masdzub.com/</link><atom:link href="https://masdzub.com/rss.xml" rel="self" type="application/rss+xml"/><description>Notes on Linux, web hosting, automation, and the tooling that keeps servers running.</description><language>en</language><item><title>Certbot: Setup Let's Encrypt SSL Certificates with Automatic Renewal</title><link>https://masdzub.com/articles/certbot-setup-lets-encrypt-automatically.aspx</link><guid>https://masdzub.com/articles/certbot-setup-lets-encrypt-automatically.aspx</guid><pubDate>Fri, 13 Nov 2026 00:00:00 GMT</pubDate><description>Install Certbot, obtain free Let's Encrypt certificates, and configure automatic renewal on Linux servers.</description></item><item><title>How to Set Up Automated Backups with Restic and Backblaze B2 on Ubuntu</title><link>https://masdzub.com/articles/how-to-set-up-automated-backups-with-restic-and-backblaze-b2-on-ubuntu.aspx</link><guid>https://masdzub.com/articles/how-to-set-up-automated-backups-with-restic-and-backblaze-b2-on-ubuntu.aspx</guid><pubDate>Fri, 13 Nov 2026 00:00:00 GMT</pubDate><description>A practical guide to configuring encrypted, incremental backups using Restic and Backblaze B2 on Ubuntu with systemd timers.</description></item><item><title>Architectural Comparison: Jenkins vs. GitLab CI vs. GitHub Actions</title><link>https://masdzub.com/articles/jenkins-gitlab-ci-and-github-actions-architectural-analysis.aspx</link><guid>https://masdzub.com/articles/jenkins-gitlab-ci-and-github-actions-architectural-analysis.aspx</guid><pubDate>Fri, 13 Nov 2026 00:00:00 GMT</pubDate><description>Compare agent-based vs. serverless CI architectures. Technical trade-offs, deployment patterns, and agent management.</description></item><item><title>ZRAM di VPS 1GB: Menambah Kapasitas RAM Tanpa Upgrade Paket</title><link>https://masdzub.com/articles/zram-vps-1gb-tambah-ram-tanpa-upgrade.aspx</link><guid>https://masdzub.com/articles/zram-vps-1gb-tambah-ram-tanpa-upgrade.aspx</guid><pubDate>Fri, 13 Nov 2026 00:00:00 GMT</pubDate><description>Cara mengaktifkan ZRAM di VPS 1GB dengan systemd-zram-generator, zram-tools, atau zramctl manual, plus tuning swappiness dan page-cluster.</description></item><item><title>How to Resolve SSH: REMOTE HOST IDENTIFICATION HAS CHANGED!</title><link>https://masdzub.com/articles/how-to-resolve-ssh-remote-host-identification-has-changed.aspx</link><guid>https://masdzub.com/articles/how-to-resolve-ssh-remote-host-identification-has-changed.aspx</guid><pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate><description>Fix the SSH remote host identification warning by removing stale host keys and verifying the new fingerprint safely.</description></item><item><title>10 Reasons to Update WordPress Core, Plugins, and Themes</title><link>https://masdzub.com/articles/10-reason-why-we-need-to-update-ours-wordpress-core-plugin-and-theme.aspx</link><guid>https://masdzub.com/articles/10-reason-why-we-need-to-update-ours-wordpress-core-plugin-and-theme.aspx</guid><pubDate>Thu, 22 Oct 2026 00:00:00 GMT</pubDate><description>Outdated WordPress components cause security breaches, PHP fatal errors, and slow queries. Review technical risks and WP-CLI update workflows.</description></item><item><title>Cara Cepat Mengatasi Port Conflict pada Docker di macOS</title><link>https://masdzub.com/articles/mengatasi-port-conflict-pada-docker-di-macos.aspx</link><guid>https://masdzub.com/articles/mengatasi-port-conflict-pada-docker-di-macos.aspx</guid><pubDate>Thu, 22 Oct 2026 00:00:00 GMT</pubDate><description>Identifikasi penyebab port conflict di Docker macOS dan perbaiki dengan cepat menggunakan lsof, netstat, dan Docker CLI.</description></item><item><title>9Router: Review, Kelebihan, dan Kekurangan</title><link>https://masdzub.com/articles/prons-and-cons-using-9router-and-for-what.aspx</link><guid>https://masdzub.com/articles/prons-and-cons-using-9router-and-for-what.aspx</guid><pubDate>Thu, 22 Oct 2026 00:00:00 GMT</pubDate><description>Evaluate 9Router for multi-accounting and scraping. Learn the trade-offs between residential IP quality and cost before scaling your operations.</description></item><item><title>5 Best Clipboard Managers for macOS</title><link>https://masdzub.com/articles/5-application-clipboard-for-mac-os.aspx</link><guid>https://masdzub.com/articles/5-application-clipboard-for-mac-os.aspx</guid><pubDate>Mon, 12 Oct 2026 00:00:00 GMT</pubDate><description>Compare the top 5 macOS clipboard managers to save your copy history. Learn features of Maccy, Paste, and Raycast to boost your productivity.</description></item><item><title>Automation Pipeline dengan n8n dan Cloudflare Tunnel</title><link>https://masdzub.com/articles/building-an-efficient-automation-pipeline-with-n8n-and-cloudflare-tunnels</link><guid>https://masdzub.com/articles/building-an-efficient-automation-pipeline-with-n8n-and-cloudflare-tunnels</guid><pubDate>Sun, 11 Oct 2026 00:00:00 GMT</pubDate><description>Secure self-hosted n8n without port forwarding: Cloudflare Tunnel for encrypted webhook ingress on CGNAT links.</description></item><item><title>Cara Membuat Kopi Enak</title><link>https://masdzub.com/articles/cara-membuat-kopi-enak.aspx</link><guid>https://masdzub.com/articles/cara-membuat-kopi-enak.aspx</guid><pubDate>Sun, 11 Oct 2026 00:00:00 GMT</pubDate><description>Panduan praktis menyeduh kopi manual dengan konsistensi tinggi. Fokus pada rasio, suhu, dan teknik ekstraksi yang tepat untuk hasil optimal.</description></item><item><title>Ubuntu Touch vs Desktop vs Server</title><link>https://masdzub.com/articles/different-ubuntu-phone-with-ubuntu-desktop-and-ubuntuk-server.aspx</link><guid>https://masdzub.com/articles/different-ubuntu-phone-with-ubuntu-desktop-and-ubuntuk-server.aspx</guid><pubDate>Sun, 11 Oct 2026 00:00:00 GMT</pubDate><description>Compare Ubuntu Touch (Phone), Ubuntu Desktop, and Ubuntu Server across hardware architectures, display servers, package management, and target workloads.</description></item><item><title>PC Lama Jadi Home Server: Panduan Setup</title><link>https://masdzub.com/articles/how-to-make-your-old-pc-as-home-server.aspx</link><guid>https://masdzub.com/articles/how-to-make-your-old-pc-as-home-server.aspx</guid><pubDate>Sat, 10 Oct 2026 00:00:00 GMT</pubDate><description>Repurpose your old desktop or laptop into a powerful home server. Learn how to install Linux, deploy Docker, and configure remote access step by step.</description></item><item><title>Why Every IT Professional Needs Linux (and How to Start)</title><link>https://masdzub.com/articles/why-it-guy-need-linux-in-herhis-life.aspx</link><guid>https://masdzub.com/articles/why-it-guy-need-linux-in-herhis-life.aspx</guid><pubDate>Fri, 09 Oct 2026 00:00:00 GMT</pubDate><description>From troubleshooting to automation, Linux is the backbone of modern IT. Here's why every IT pro, male or female, should master it.</description></item><item><title>Fokus Kerja di Rumah: Rutinitas WFH</title><link>https://masdzub.com/articles/staying-focused-at-home</link><guid>https://masdzub.com/articles/staying-focused-at-home</guid><pubDate>Thu, 24 Sep 2026 00:00:00 GMT</pubDate><description>Discover simple daily routines to minimize home distractions, stay focused, and boost your remote work productivity every day.</description></item><item><title>How to Reinstall SSL in CyberPanel (GUI &amp; CLI)</title><link>https://masdzub.com/articles/how-to-reinstall-ssl-cyberpanel.aspx</link><guid>https://masdzub.com/articles/how-to-reinstall-ssl-cyberpanel.aspx</guid><pubDate>Tue, 01 Sep 2026 00:00:00 GMT</pubDate><description>A step-by-step guide to reinstalling and renewing Let's Encrypt SSL certificates in CyberPanel using both the Web GUI and the SSH Command Line Interface.</description></item><item><title>Best Terminal Apps for macOS</title><link>https://masdzub.com/articles/best-terminal-apps-macos.aspx</link><guid>https://masdzub.com/articles/best-terminal-apps-macos.aspx</guid><pubDate>Sat, 29 Aug 2026 00:00:00 GMT</pubDate><description>Compare Terminal, iTerm2, Termius, Ghostty, and Tabby to pick the right terminal app for how you work on macOS.</description></item><item><title>Caddy vs Nginx: Pros and Cons</title><link>https://masdzub.com/articles/caddy-vs-nginx.aspx</link><guid>https://masdzub.com/articles/caddy-vs-nginx.aspx</guid><pubDate>Fri, 28 Aug 2026 00:00:00 GMT</pubDate><description>A comparative overview of Caddy and Nginx web servers, highlighting the strengths and weaknesses of each.</description></item><item><title>Vaultwarden + Caddy di VPS 1GB RAM</title><link>https://masdzub.com/articles/self-hosted-vaultwarden-caddy-vps-guide.aspx</link><guid>https://masdzub.com/articles/self-hosted-vaultwarden-caddy-vps-guide.aspx</guid><pubDate>Fri, 28 Aug 2026 00:00:00 GMT</pubDate><description>Deploy Vaultwarden behind Caddy with automatic HTTPS on a 1GB RAM VPS: Docker Compose, hardening, and backups.</description></item><item><title>Tailscale Exit Node di Alpine Linux</title><link>https://masdzub.com/articles/tailscale-exit-node-alpine-linux.aspx</link><guid>https://masdzub.com/articles/tailscale-exit-node-alpine-linux.aspx</guid><pubDate>Fri, 28 Aug 2026 00:00:00 GMT</pubDate><description>Install Tailscale on Alpine Linux, advertise an exit node, and route traffic from your devices through a remote VPS.</description></item><item><title>LEMP Stack: Nginx, WordPress, MariaDB 11</title><link>https://masdzub.com/articles/install-lemp-stack-and-wordpress.aspx</link><guid>https://masdzub.com/articles/install-lemp-stack-and-wordpress.aspx</guid><pubDate>Tue, 29 Jul 2025 00:00:00 GMT</pubDate><description>Install a LEMP stack (Nginx, MariaDB 11, PHP 8.1) and deploy WordPress with TLS, PHP-FPM tuning, and a hardened database.</description></item><item><title>WordPress: Membersihkan Tabel wp_options</title><link>https://masdzub.com/articles/how-to-optimize-wp-options-wordpress.aspx</link><guid>https://masdzub.com/articles/how-to-optimize-wp-options-wordpress.aspx</guid><pubDate>Tue, 24 Jun 2025 00:00:00 GMT</pubDate><description>Learn to optimize your WordPress wp_options table for faster website performance. This guide covers identifying large autoloaded data, cleaning expired transients, removing orphaned plugin settings, and boosting your WordPress site's speed through effective database cleanup</description></item><item><title>Guide to Using Command Line for Docker Management</title><link>https://masdzub.com/articles/guide-to-using-docker-cli.aspx</link><guid>https://masdzub.com/articles/guide-to-using-docker-cli.aspx</guid><pubDate>Sat, 11 Jan 2025 00:00:00 GMT</pubDate><description>Installation, Running, and Using Docker for a Website with Separate Webserver and MariaDB</description></item><item><title>Optimizing MySQL Performance: Managing Query Cache</title><link>https://masdzub.com/articles/optimizing-mysql-performance-managing-query-cache.aspx</link><guid>https://masdzub.com/articles/optimizing-mysql-performance-managing-query-cache.aspx</guid><pubDate>Tue, 22 Oct 2024 00:00:00 GMT</pubDate><description>Learn how to check and disable query cache in MySQL to enhance database performance.</description></item><item><title>Fix libfftw3.so.3 di PHP Imagick cPanel</title><link>https://masdzub.com/articles/resolving-the-libfftw3-error-in-php-imagick-module-cpanel.aspx</link><guid>https://masdzub.com/articles/resolving-the-libfftw3-error-in-php-imagick-module-cpanel.aspx</guid><pubDate>Mon, 21 Oct 2024 00:00:00 GMT</pubDate><description>To resolve the libfftw3.so.3 error in PHP Imagick on cPanel with CloudLinux, reinstall the fftw-libs-double package to replace the corrupted library file..</description></item><item><title>How to Easily Set the Timezone in AlmaLinux</title><link>https://masdzub.com/articles/how-to-set-the-timezone-in-almalinux.aspx</link><guid>https://masdzub.com/articles/how-to-set-the-timezone-in-almalinux.aspx</guid><pubDate>Tue, 08 Oct 2024 00:00:00 GMT</pubDate><description>Learn how to easily set the correct timezone in AlmaLinux using timedatectl with this step by step guide. Ensure accurate system time for logging, backups, and scheduled tasks.</description></item><item><title>Install Web Server, MySQL, PHP di openSUSE</title><link>https://masdzub.com/articles/how-to-install-web-server-on-opensuse.aspx</link><guid>https://masdzub.com/articles/how-to-install-web-server-on-opensuse.aspx</guid><pubDate>Wed, 14 Aug 2024 00:00:00 GMT</pubDate><description>This guide walks you through the steps to install and configure a LAMP stack on openSUSE Tumbleweed.</description></item><item><title>PowerDNS Cluster di openSUSE</title><link>https://masdzub.com/articles/how-to-setup-powerdns-on-opensuse.aspx</link><guid>https://masdzub.com/articles/how-to-setup-powerdns-on-opensuse.aspx</guid><pubDate>Wed, 14 Aug 2024 00:00:00 GMT</pubDate><description>I'll walk you through the steps to install and configure PowerDNS on the latest version of OpenSUSE.</description></item><item><title>How to Set Up a PowerDNS Cluster with Poweradmin</title><link>https://masdzub.com/articles/how-to-setup-powerdns-cluster-poweradmin.aspx</link><guid>https://masdzub.com/articles/how-to-setup-powerdns-cluster-poweradmin.aspx</guid><pubDate>Sun, 11 Aug 2024 00:00:00 GMT</pubDate><description>Set up a PowerDNS cluster with Poweradmin in minutes: install, configure MySQL, set up replication, and manage DNS records easily.</description></item><item><title>Understanding tune2fs: Guidelines and Step-by-Step Tutorial</title><link>https://masdzub.com/articles/tune2fs-step-by-step-tutorial.aspx</link><guid>https://masdzub.com/articles/tune2fs-step-by-step-tutorial.aspx</guid><pubDate>Fri, 09 Aug 2024 00:00:00 GMT</pubDate><description>tune2fs is a command-line utility for modifying and managing ext2, ext3, and ext4 filesystems in Linux. It is used to adjust filesystem parameters, which helps in optimizing performance and ensuring the filesystem’s health and reliability.</description></item><item><title>Sysadmin vs System Engineer vs SRE: Apa Bedanya</title><link>https://masdzub.com/articles/key-difference-between-system-administrator-engineer-site-reliability.aspx</link><guid>https://masdzub.com/articles/key-difference-between-system-administrator-engineer-site-reliability.aspx</guid><pubDate>Tue, 25 Jun 2024 00:00:00 GMT</pubDate><description>In the dynamic world of IT, comprehending the various roles and responsibilities is crucial for anyone pursuing or advancing in an IT career. Among the many specialized positions, System Administrators (SysAdmins), System Engineers, and Site Reliability Engineers (SREs) stand out due to their critical roles in managing and optimizing IT infrastructure. This article aims to elucidate the key differences between these three professions, helping you determine which path aligns best with your skills and career aspirations.</description></item><item><title>Monitoring tools for System Administrator</title><link>https://masdzub.com/articles/monitoring-tools-for-sysadmin.aspx</link><guid>https://masdzub.com/articles/monitoring-tools-for-sysadmin.aspx</guid><pubDate>Mon, 24 Jun 2024 00:00:00 GMT</pubDate><description>System Administrator is a critical aspect of managing IT infrastructure, involving the upkeep, configuration, and reliable operation of computer systems. An essential component of system administration is the utilization of monitoring tools, which play a pivotal role in maintaining system health and performance. These tools help administrators identify and resolve issues proactively, ensuring optimal functionality and minimizing downtime. This article aims to introduce and provide insights into various popular monitoring tools used by system administrators, highlighting their features, use cases, and benefits.</description></item><item><title>Rebuild MySQL dengan InnoDB Tablespace Rusak</title><link>https://masdzub.com/articles/how-to-rebuild-a-mysql-corrupted-innodb.aspx</link><guid>https://masdzub.com/articles/how-to-rebuild-a-mysql-corrupted-innodb.aspx</guid><pubDate>Mon, 03 Jun 2024 00:00:00 GMT</pubDate><description>When a MySQL instance becomes corrupted due to an issue with the InnoDB tablespace, it can cause significant disruptions. This guide provides a step-by-step process to rebuild your MySQL instance, ensuring minimal data loss and downtime.</description></item><item><title>Using MTR on macOS Without sudo</title><link>https://masdzub.com/articles/how-to-use-mtr-without-sudo-macos.aspx</link><guid>https://masdzub.com/articles/how-to-use-mtr-without-sudo-macos.aspx</guid><pubDate>Tue, 23 Apr 2024 00:00:00 GMT</pubDate><description>MTR (Matt's traceroute) is a powerful network diagnostic tool that combines traceroute and ping functionality to provide detailed insights into network routes and potential bottlenecks. However, a recent update to MTR via Homebrew introduced a requirement for using `sudo` for non-administrator users. This can be inconvenient, especially when working on systems with limited user accounts.</description></item><item><title>Menggunakan MTR pada macOS Tanpa sudo</title><link>https://masdzub.com/articles/cara-menggunakan-mtr-tanpa-sudo-macos.aspx</link><guid>https://masdzub.com/articles/cara-menggunakan-mtr-tanpa-sudo-macos.aspx</guid><pubDate>Sun, 31 Mar 2024 00:00:00 GMT</pubDate><description>MTR (Matt's traceroute) adalah alat diagnostik jaringan yang kuat yang menggabungkan fungsionalitas traceroute dan ping untuk memberikan wawasan detail tentang rute jaringan dan potensi bottleneck. Namun, pembaruan terbaru untuk MTR melalui Homebrew memperkenalkan persyaratan untuk menggunakan `sudo` bagi pengguna non-administrator.</description></item><item><title>Lupa Password Root di CentOS/RHEL</title><link>https://masdzub.com/articles/lupa-password-root-centos-rhell.aspx</link><guid>https://masdzub.com/articles/lupa-password-root-centos-rhell.aspx</guid><pubDate>Sun, 31 Mar 2024 00:00:00 GMT</pubDate><description>Lupa password adalah hal yang wajar terjadi. Untungnya, mereset password root atau user lain di CentOS/EL cukup mudah dilakukan. Pada artikel ini, kita akan membahas langkah-langkah untuk mereset password di EL versi 7, 8, dan 9.</description></item><item><title>Apa Itu Sysadmin dan Jobdesk-nya</title><link>https://masdzub.com/articles/apa-itu-sysadmin-dan-jobdesknya.aspx</link><guid>https://masdzub.com/articles/apa-itu-sysadmin-dan-jobdesknya.aspx</guid><pubDate>Sat, 30 Mar 2024 00:00:00 GMT</pubDate><description>Sysadmin, singkatannya dari System Administrator, adalah seseorang yang bertanggung jawab atas mengelola, memelihara, dan mengamankan semua infrastruktur IT di suatu organisasi. Mereka adalah pahlawan tak terlihat di balik layar yang memastikan bahwa semua sistem berjalan lancar.</description></item><item><title>How to Install Node.js with NVM</title><link>https://masdzub.com/articles/install-nodejs-with-NVM.aspx</link><guid>https://masdzub.com/articles/install-nodejs-with-NVM.aspx</guid><pubDate>Mon, 25 Mar 2024 00:00:00 GMT</pubDate><description>Node.js is a powerful JavaScript runtime built on Chrome's V8 JavaScript engine. It allows developers to run JavaScript code outside of a web browser, making it ideal for server-side applications. NVM, short for Node Version Manager, is a tool that allows you to easily install and manage multiple versions of Node.js on your system. In this guide, we'll walk you through the process of installing Node.js with NVM.</description></item><item><title>How to setup permission file and folder in Linux</title><link>https://masdzub.com/articles/how-to-setup-permission-file-folder-in-linux.aspx</link><guid>https://masdzub.com/articles/how-to-setup-permission-file-folder-in-linux.aspx</guid><pubDate>Sat, 03 Feb 2024 00:00:00 GMT</pubDate><description>How to setup permission file and folder in Linux</description></item><item><title>How to Screenshot in Mac: No More Apps Needed</title><link>https://masdzub.com/articles/how-to-screenshoot-in-mac-no-more-apps.aspx</link><guid>https://masdzub.com/articles/how-to-screenshoot-in-mac-no-more-apps.aspx</guid><pubDate>Thu, 01 Feb 2024 00:00:00 GMT</pubDate><description>How to Screenshot in Mac: No More Apps Needed</description></item></channel></rss>