{"id":13338,"date":"2025-12-20T11:33:55","date_gmt":"2025-12-20T06:03:55","guid":{"rendered":"https:\/\/www.youstable.com\/blog\/?p=13338"},"modified":"2025-12-20T11:34:07","modified_gmt":"2025-12-20T06:04:07","slug":"how-to-setup-mongodb-on-linux-server","status":"publish","type":"post","link":"https:\/\/www.youstable.com\/blog\/how-to-setup-mongodb-on-linux-server","title":{"rendered":"How to Setup MongoDB on Linux Server &#8211; Easy Guide"},"content":{"rendered":"\n<p><strong>To set up MongoDB on a Linux server<\/strong>, add MongoDB\u2019s official repository to your distro, install the mongodb-org package, start and enable the mongod service, secure it with authentication, configure bindIp and firewall rules, and verify connections with mongosh. The steps below cover Ubuntu\/Debian and RHEL\/AlmaLinux\/Rocky\/Amazon Linux with production-ready settings.<\/p>\n\n\n\n<p>In this guide, you\u2019ll learn how to setup MongoDB on Linux server from scratch\u2014covering installation, configuration, security, performance tuning, backups, and troubleshooting. I\u2019ll share practical, battle\u2011tested advice based on 12+ years supporting databases on VPS, cloud, and bare-metal servers, so beginners can follow along confidently.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"what-youll-learn\"><strong>What You\u2019ll Learn<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.youstable.com\/blog\/install-mongodb-on-linux\/\">Install MongoDB<\/a> using the official repository on Ubuntu\/Debian and RHEL-based distros<\/li>\n\n\n\n<li>Start, enable, and verify the mongod service<\/li>\n\n\n\n<li>Configure bindIp, ports, TLS\/SSL, and authentication<\/li>\n\n\n\n<li>Secure the <a href=\"https:\/\/www.youstable.com\/blog\/install-csf-firewall-on-linux\/\">server firewall<\/a> (UFW\/firewalld) and handle SELinux<\/li>\n\n\n\n<li>Apply production best practices (THP, ulimits, file system)<\/li>\n\n\n\n<li>Back up and restore with mongodump\/mongorestore<\/li>\n\n\n\n<li>Monitor performance and <a href=\"https:\/\/www.youstable.com\/blog\/fix-error-establishing-database-connection\/\">fix common errors<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"prerequisites-and-planning\"><strong>Prerequisites and Planning<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Linux: Ubuntu 22.04 LTS (Jammy), Ubuntu 20.04 (Focal), Debian 11 (Bullseye), RHEL 8\/9, AlmaLinux\/Rocky 8\/9, or Amazon Linux 2<\/li>\n\n\n\n<li>Root or sudo access<\/li>\n\n\n\n<li>2+ CPU cores, 4\u20138 GB RAM minimum for small workloads (more for production)<\/li>\n\n\n\n<li>Disk: SSD recommended; file system XFS preferred for WiredTiger<\/li>\n\n\n\n<li>Open ports: 27017\/TCP (MongoDB) restricted to trusted IPs only<\/li>\n\n\n\n<li>Time synchronized (systemd-timesyncd or chrony)<\/li>\n<\/ul>\n\n\n\n<p>Note: MongoDB supports specific distro versions per release line. Check the official docs if your OS differs. This guide demonstrates commonly deployed, supported combinations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"quick-install-cheat-sheet-by-distro\"><strong>Quick Install Cheat\u2011Sheet by Distro<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"ubuntu-22-04-jammy-mongodb-8-0-example\"><strong>Ubuntu 22.04 (Jammy) \u2013 MongoDB 8.0 Example<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt-get update\nsudo apt-get install -y curl gnupg\n\n# Import MongoDB GPG key\ncurl -fsSL https:\/\/pgp.mongodb.com\/server-8.0.asc | \\\n  sudo gpg --dearmor -o \/usr\/share\/keyrings\/mongodb-server-8.0.gpg\n\n# Add official repo\necho \"deb &#91; arch=amd64,arm64 signed-by=\/usr\/share\/keyrings\/mongodb-server-8.0.gpg ] \\\nhttps:\/\/repo.mongodb.org\/apt\/ubuntu jammy\/mongodb-org\/8.0 multiverse\" | \\\n  sudo tee \/etc\/apt\/sources.list.d\/mongodb-org-8.0.list\n\n# Install\nsudo apt-get update\nsudo apt-get install -y mongodb-org\n\n# Start and enable\nsudo systemctl enable --now mongod\n\n# Check status and logs\nsystemctl status mongod --no-pager\nsudo journalctl -u mongod -e --no-pager<\/code><\/pre>\n\n\n\n<p>If you\u2019re on Ubuntu 20.04 (Focal) or a newer LTS, replace \u201cjammy\u201d with your codename and \u201c8.0\u201d with the latest stable line supported by MongoDB for your OS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"debian-11-bullseye-mongodb-7-0-example\"><strong>Debian 11 (Bullseye) \u2013 MongoDB 7.0 Example<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt-get update\nsudo apt-get install -y curl gnupg\n\ncurl -fsSL https:\/\/pgp.mongodb.com\/server-7.0.asc | \\\n  sudo gpg --dearmor -o \/usr\/share\/keyrings\/mongodb-server-7.0.gpg\n\necho \"deb &#91; arch=amd64,arm64 signed-by=\/usr\/share\/keyrings\/mongodb-server-7.0.gpg ] \\\nhttps:\/\/repo.mongodb.org\/apt\/debian bullseye\/mongodb-org\/7.0 main\" | \\\n  sudo tee \/etc\/apt\/sources.list.d\/mongodb-org-7.0.list\n\nsudo apt-get update\nsudo apt-get install -y mongodb-org\nsudo systemctl enable --now mongod<\/code><\/pre>\n\n\n\n<p>Debian support varies by MongoDB version. Use the latest supported server line for your Debian release from MongoDB\u2019s official docs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"rhel-8-9-almalinux-8-9-rocky-8-9-mongodb-8-0-example\"><strong>RHEL 8\/9, AlmaLinux 8\/9, Rocky 8\/9 \u2013 MongoDB 8.0 Example<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo tee \/etc\/yum.repos.d\/mongodb-org-8.0.repo &gt;\/dev\/null &lt;&lt;'EOF'\n&#91;mongodb-org-8.0]\nname=MongoDB Repository\nbaseurl=https:\/\/repo.mongodb.org\/yum\/redhat\/$releasever\/mongodb-org\/8.0\/$basearch\/\ngpgcheck=1\nenabled=1\ngpgkey=https:\/\/pgp.mongodb.com\/server-8.0.asc\nEOF\n\nsudo dnf clean all\nsudo dnf -y install mongodb-org\nsudo systemctl enable --now mongod\nsudo systemctl status mongod --no-pager<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"amazon-linux-2-mongodb-7-0-example\"><strong>Amazon Linux 2 \u2013 MongoDB 7.0 Example<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo tee \/etc\/yum.repos.d\/mongodb-org-7.0.repo &gt;\/dev\/null &lt;&lt;'EOF'\n&#91;mongodb-org-7.0]\nname=MongoDB Repository\nbaseurl=https:\/\/repo.mongodb.org\/yum\/amazon\/2\/mongodb-org\/7.0\/$basearch\/\ngpgcheck=1\nenabled=1\ngpgkey=https:\/\/pgp.mongodb.com\/server-7.0.asc\nEOF\n\nsudo yum clean all\nsudo <a href=\"https:\/\/www.youstable.com\/blog\/install-yum-on-linux\/\">yum -y install<\/a> mongodb-org\nsudo systemctl enable --now mongod<\/code><\/pre>\n\n\n\n<p>Why not use the distro\u2019s default mongodb package? It\u2019s often outdated. The official mongodb-org repository provides current, security-patched releases.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"initial-verification\"><strong>Initial Verification<\/strong><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code># Confirm mongod is running\nsudo systemctl status mongod --no-pager\n\n# Connect with MongoDB Shell (mongosh)\nmongosh --host 127.0.0.1 --port 27017\n\n# Check server build info\ndb.runCommand({ buildInfo: 1 })<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"secure-configuration-critical-for-production\"><strong>Secure Configuration (Critical for Production)<\/strong><\/h2>\n\n\n\n<p>Edit mongod.conf to restrict network exposure and enable authentication. On most distros, the file is at \/etc\/mongod.conf.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo nano \/etc\/mongod.conf<\/code><\/pre>\n\n\n\n<p>Recommended baseline:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \/etc\/mongod.conf\nstorage:\n  dbPath: \/var\/lib\/mongo\n  journal:\n    enabled: true\n\nnet:\n  port: 27017\n  bindIp: 127.0.0.1,10.0.0.5   # Replace 10.0.0.5 with your private server IP\n\nsecurity:\n  authorization: enabled\n\nprocessManagement:\n  timeZoneInfo: \/usr\/share\/zoneinfo\n\nsetParameter:\n  diagnosticDataCollectionEnabled: true<\/code><\/pre>\n\n\n\n<p>TLS\/SSL (strongly recommended for remote clients):<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>net:\n  tls:\n    mode: requireTLS\n    certificateKeyFile: \/etc\/ssl\/mongodb.pem   # PEM with cert + key\n    CAFile: \/etc\/ssl\/ca.pem<\/code><\/pre>\n\n\n\n<p>Restart to apply changes:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl restart mongod<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"create-the-first-admin-user\"><strong>Create the First Admin User<\/strong><\/h2>\n\n\n\n<p>If you just enabled authorization, first ensure you can still connect locally. Create an admin in the admin database, then use that account going forward.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mongosh --host 127.0.0.1 --port 27017\n\nuse admin\ndb.createUser({\n  user: \"siteAdmin\",\n  pwd: passwordPrompt(),\n  roles: &#91; { role: \"root\", db: \"admin\" } ]\n})\nexit<\/code><\/pre>\n\n\n\n<p>Create an app-specific user with limited privileges:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mongosh --host 127.0.0.1 --port 27017 -u siteAdmin -p --authenticationDatabase admin\n\nuse myapp\ndb.createUser({\n  user: \"myappUser\",\n  pwd: passwordPrompt(),\n  roles: &#91; { role: \"readWrite\", db: \"myapp\" } ]\n})\nexit<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"firewall-and-selinux\"><strong>Firewall and SELinux<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"ufw-ubuntu-debian\"><strong>UFW (Ubuntu\/Debian)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># Allow only your trusted IP(s)\nsudo ufw allow from 203.0.113.10 to any port 27017 proto tcp\n# Or allow internal VPC subnet\nsudo ufw allow from 10.0.0.0\/24 to any port 27017 proto tcp\nsudo ufw reload<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"firewalld-rhel-alma-rocky-amazon\"><strong>firewalld (RHEL\/Alma\/Rocky\/Amazon)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo firewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" \\\nsource address=\"203.0.113.10\" port protocol=\"tcp\" port=\"27017\" accept'\nsudo firewall-cmd --reload<\/code><\/pre>\n\n\n\n<p>SELinux: default port 27017 works without changes. If you change the port, label it:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo semanage port -a -t mongod_port_t -p tcp 27018\nsudo systemctl restart mongod<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"performance-and-production-best-practices\"><strong>Performance and Production Best Practices<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>File system: Prefer XFS on SSD; avoid ext4 for heavy OLTP workloads.<\/li>\n\n\n\n<li>Disable Transparent Huge Pages (THP) and NUMA for predictable latency.<\/li>\n\n\n\n<li>Set ulimits: allow higher open files and processes.<\/li>\n\n\n\n<li>Memory: WiredTiger cache uses ~50% of RAM by default; ensure headroom.<\/li>\n\n\n\n<li>Swap: Keep minimal but not zero; set vm.swappiness=1\u201310.<\/li>\n\n\n\n<li>Backups and monitoring from day one (see sections below).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"disable-thp-temporary-until-reboot\"><strong>Disable THP (temporary, until reboot)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>echo never | sudo tee \/sys\/kernel\/mm\/transparent_hugepage\/enabled\necho never | sudo tee \/sys\/kernel\/mm\/transparent_hugepage\/defrag<\/code><\/pre>\n\n\n\n<p>Persist THP settings via systemd or rc.local according to your distro\u2019s best practice.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"ulimits-example\"><strong>ULimits (example)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"mongod soft nofile 64000\nmongod hard nofile 64000\" | sudo tee \/etc\/security\/limits.d\/99-mongodb.conf<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"backups-and-restores\"><strong>Backups and Restores<\/strong><\/h2>\n\n\n\n<p>Logical backups work everywhere; filesystem snapshots are faster for large datasets. Always test restores.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"mongodump-mongorestore\"><strong>mongodump \/ mongorestore<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># Backup all databases\nmongodump --username siteAdmin --password --authenticationDatabase admin \\\n  --out \/backups\/mongo-$(date +%F)\n\n# Restore a specific database\nmongorestore --username siteAdmin --password --authenticationDatabase admin \\\n  --db myapp \/backups\/mongo-2025-01-10\/myapp<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"lvm-cloud-snapshots-hot-backup-pattern\"><strong>LVM\/Cloud Snapshots (hot backup pattern)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ensure journaling is enabled (default).<\/li>\n\n\n\n<li>fsfreeze the volume, snapshot, then thaw; or use cloud volume snapshots.<\/li>\n\n\n\n<li>Keep oplog entries (in replica sets) to cover snapshot time.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"monitoring-and-observability\"><strong>Monitoring and Observability<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Logs: \/var\/log\/mongodb\/mongod.log (journalctl -u mongod -f)<\/li>\n\n\n\n<li>mongostat and mongotop for quick health checks<\/li>\n\n\n\n<li>Enable slow query profiling for tuning<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># Quick metrics\nmongostat --rowcount 5\nmongotop 5\n\n# Enable slow query profiling (level 1)\nmongosh -u siteAdmin -p --authenticationDatabase admin --eval \\\n  'db.setProfilingLevel(1, { slowms: 100 })'<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"optional-basic-replica-set-initialization\"><strong>Optional: Basic Replica Set Initialization<\/strong><\/h2>\n\n\n\n<p>For high availability, run three nodes and initiate a replica set. Use private networking and TLS with keyfiles or x.509 auth.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># In \/etc\/mongod.conf on each node\nreplication:\n  replSetName: rs0\n\n# Then on the primary candidate\nmongosh -u siteAdmin -p --authenticationDatabase admin --host 10.0.0.5\nrs.initiate({\n  _id: \"rs0\",\n  members: &#91;\n    { _id: 0, host: \"10.0.0.5:27017\" },\n    { _id: 1, host: \"10.0.0.6:27017\" },\n    { _id: 2, host: \"10.0.0.7:27017\" }\n  ]\n})\nrs.status()<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"troubleshooting-common-errors\"><strong>Troubleshooting Common Errors<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Port already in use: Another process bound to 27017. Run sudo lsof -i :27017 and stop\/disable the conflicting service or change MongoDB port consistently across config, firewall, and SELinux.<\/li>\n\n\n\n<li>Failed to connect: Check bindIp (must include your client\u2019s IP or 0.0.0.0 for testing only), firewall rules, and TLS settings.<\/li>\n\n\n\n<li>Permission denied on dbPath: Ensure mongod owns \/var\/lib\/mongo and \/var\/log\/mongodb; run sudo chown -R mongod:mongod &lt;path&gt;.<\/li>\n\n\n\n<li>Authentication failed: Confirm the correct auth database (usually admin) and user role. Try mongosh -u user -p &#8211;authenticationDatabase admin.<\/li>\n\n\n\n<li>High I\/O or slow queries: Review indexes (db.collection.getIndexes()), enable slow-query profiling, and confirm THP is disabled.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"real-world-tips-from-hosting-experience\"><strong>Real-World Tips from Hosting Experience<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keep MongoDB and OS security patches current via the official repo.<\/li>\n\n\n\n<li>Separate data volume (e.g., \/var\/lib\/mongo on <a href=\"https:\/\/www.youstable.com\/blog\/ssd-dedicated-server-vs-hdd-dedicated\/\">dedicated SSD<\/a>) to simplify snapshotting and scaling.<\/li>\n\n\n\n<li>Use private networking between app and DB; never expose 27017 to the public internet.<\/li>\n\n\n\n<li>Test restores quarterly; a backup you haven\u2019t restored is a hope, not a plan.<\/li>\n\n\n\n<li>For steady growth, schedule compactions\/maintenance during low-traffic windows.<\/li>\n<\/ul>\n\n\n\n<p>Don\u2019t want to manage all this yourself? YouStable\u2019s managed VPS and cloud servers can provision MongoDB with hardened defaults, offsite backups, and 24\u00d77 monitoring\u2014so you focus on shipping features, not tuning THP and firewall rules.<\/p>\n\n\n\n<p>With these steps, you now know how to setup MongoDB on Linux server the right way\u2014from installation and security to performance and maintenance. If you prefer a managed path, YouStable can deploy and maintain a production-grade MongoDB stack tailored to your workload.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"faqs-how-to-setup-mongodb-on-linux-server\"><strong>FAQs: How to Setup MongoDB on Linux Server<\/strong><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1765797115780\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"whats-the-safest-way-to-install-mongodb-on-linux\"><strong>What\u2019s the safest way to install MongoDB on Linux?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Use MongoDB\u2019s official repository (mongodb-org) for your distro, install with your native <a href=\"https:\/\/www.youstable.com\/blog\/what-is-yum-on-linux-server\/\">package manager<\/a>, and avoid community packages that lag behind. This ensures current features, security patches, and a proper systemd service.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765797125449\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"how-do-i-secure-mongodb-after-installation\"><strong>How do I secure MongoDB after installation?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Enable authorization in mongod.conf, create an admin user, restrict bindIp to private addresses, enforce TLS\/SSL, and allow port 27017 only from trusted IPs. Keep the OS and MongoDB updated and audit logs regularly.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765797134765\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"which-port-does-mongodb-use-and-should-i-change-it\"><strong>Which port does MongoDB use and should I change it?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Default is 27017\/TCP. You can change it, but the real security comes from firewalling, TLS, and auth. If you do change the port, update firewall and (if applicable) SELinux labels accordingly.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765797144032\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"how-can-i-back-up-mongodb-on-a-live-server\"><strong>How can I back up MongoDB on a live server?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Use mongodump for logical backups or take filesystem\/LVM\/cloud snapshots with journaling enabled. For large datasets, snapshots are faster; ensure oplog coverage in replica sets and always validate restores.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765797156315\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"do-i-need-a-replica-set-for-production\"><strong>Do I need a replica set for production?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>For high availability and point-in-time recovery with the oplog, yes. A three-node replica set is the standard approach. Start single-node in development; move to replica sets before production traffic scales.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>To set up MongoDB on a Linux server, add MongoDB\u2019s official repository to your distro, install the mongodb-org package, start 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