{"id":14698,"date":"2025-12-27T11:02:52","date_gmt":"2025-12-27T05:32:52","guid":{"rendered":"https:\/\/www.youstable.com\/blog\/?p=14698"},"modified":"2025-12-27T11:03:21","modified_gmt":"2025-12-27T05:33:21","slug":"upgrade-your-vps-without-downtime","status":"publish","type":"post","link":"https:\/\/www.youstable.com\/blog\/upgrade-your-vps-without-downtime","title":{"rendered":"How to Upgrade Your VPS Without Downtime in 2026 &#8211; (Step-by-Step Guide)"},"content":{"rendered":"\n<p><strong>To upgrade a VPS without downtime<\/strong>, prepare a parallel environment, sync data continuously, lower DNS TTL, and shift traffic via a floating IP, load balancer, or reverse proxy. <\/p>\n\n\n\n<p>If your host supports live migration or hot add scaling, use it. Always snapshot, test the new setup, perform a controlled cutover, monitor, and keep a rollback ready.<\/p>\n\n\n\n<p>Upgrades usually mean brief interruptions but not if you plan well. In this guide, I\u2019ll show you how to upgrade VPS without downtime using safe, repeatable methods (blue green cutovers, live migration, or hot\u2011add scaling).<\/p>\n\n\n\n<p>I\u2019ll also share real world steps, commands, and checklists I use when moving production workloads.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"what-no-downtime-really-means\"><strong>What \u201cno downtime\u201d really means<\/strong>?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/image-129.png\" alt=\"Upgrade Your VPS Without Downtime\" class=\"wp-image-15088\" srcset=\"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/image-129.png 800w, https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/image-129-150x100.png 150w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>No downtime means your users never see errors or slow pages during the change. In practice, it targets near\u2011zero impact: sub\u2011second failover, uninterrupted TLS sessions, and intact database consistency. You\u2019ll optimize for <strong>RTO<\/strong> (time to recover) and RPO (data loss). Achieving this requires redundancy, traffic control, and careful sequencing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"pre-upgrade-checklist-dont-skip\"><strong>Pre\u2011upgrade checklist (don\u2019t skip)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Define scope:<\/strong> CPU\/RAM increase, disk expansion, OS upgrade, or host migration.<\/li>\n\n\n\n<li><strong>Check provider capabilities:<\/strong> snapshots, live migration, hot-add CPU\/RAM, <a href=\"https:\/\/www.youstable.com\/blog\/install-load-balancer-on-linux\/\">load balancer<\/a>, floating IPs, private networking.<\/li>\n\n\n\n<li><strong>Audit stack:<\/strong> web server, app runtime (PHP\/Node\/Java), DB engine and version, caches, queues, cron jobs, firewall rules.<\/li>\n\n\n\n<li><strong>Backups:<\/strong> enable automated backups and take a point-in-time snapshot. Test a restore.<\/li>\n\n\n\n<li><strong>Capacity plan:<\/strong> measure peak CPU, memory, disk I\/O, network throughput; size the new plan accordingly.<\/li>\n\n\n\n<li>Lower DNS TTL to 60\u2013300 seconds at least a few hours before cutover.<\/li>\n\n\n\n<li><strong>Inventory secrets and config:<\/strong> environment variables, .env files, SSL\/TLS certs, <a href=\"https:\/\/www.youstable.com\/blog\/how-to-add-ssh-keys-to-github-account\/\">SSH keys<\/a>.<\/li>\n\n\n\n<li><strong>Observability: <\/strong>set up logs, metrics, alerts, and <a href=\"https:\/\/www.youstable.com\/blog\/best-free-server-uptime-monitoring-tools\/\">uptime monitoring<\/a> on both old and new nodes.<\/li>\n\n\n\n<li><strong>Security parity:<\/strong> replicate firewall rules, security groups, fail2ban, and OS hardening on the target.<\/li>\n\n\n\n<li><strong>Rollback plan:<\/strong> document how to revert instantly (reassign IP, flip traffic, or restore snapshot).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"choose-your-path-to-zero-downtime\"><strong>Choose your path to zero downtime<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"path-a-in-place-scaling-hot-add-or-quick-reboot\"><strong>Path A: In\u2011place scaling (hot\u2011add or quick reboot)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>When to use:<\/strong> same server, just more CPU\/RAM\/disk; provider supports live resize or a brief reboot is acceptable.<\/li>\n\n\n\n<li><strong>Pros:<\/strong> simplest, no data move, fastest.<\/li>\n\n\n\n<li><strong>Cons:<\/strong> may require a reboot; disk resizing often needs filesystem operations; risk if something breaks in place.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"path-b-blue-green-upgrade-new-vps-and-seamless-cutover\"><strong>Path B: Blue\u2011green upgrade (new VPS and seamless cutover)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>When to use:<\/strong> strict no-downtime, OS upgrades, new regions, or big plan jumps.<\/li>\n\n\n\n<li><strong>Pros:<\/strong> safest, full testing before switch, instant rollback.<\/li>\n\n\n\n<li><strong>Cons:<\/strong> temporary double cost; more steps (sync, replica, cutover).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"path-c-managed-live-migration\"><strong>Path C: Managed live migration<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>When to use:<\/strong> your provider supports live migration at the hypervisor level (KVM) or has a managed zero\u2011downtime migration service.<\/li>\n\n\n\n<li><strong>Pros:<\/strong> minimal interruption, provider handles heavy lifting.<\/li>\n\n\n\n<li><strong>Cons:<\/strong> availability varies; may not cover all workloads; schedule with support.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"zero-downtime-blue-green-vps-upgrade-step-by-step\"><strong>Zero downtime blue\u2011green VPS upgrade<\/strong> &#8211; (<strong>Step\u2011by\u2011step<\/strong>)<\/h2>\n\n\n\n<p>This is the most reliable approach to upgrade a VPS without downtime. You create a new, bigger VPS (green), sync traffic and data from the old VPS (blue), test thoroughly, then switch traffic in seconds.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Lower DNS TTL to 60\u2013300s for your apex\/root and subdomains. Do this a few hours before cutover.<\/li>\n\n\n\n<li><strong>Provision the new VPS:<\/strong> pick the larger plan (more vCPUs, RAM, NVMe SSD). Use the same OS and major app versions for compatibility.<\/li>\n\n\n\n<li><strong>Harden and mirror base config:<\/strong> users, SSH keys, firewall rules, swap, locales, time sync (chrony), packages, and kernel.<\/li>\n\n\n\n<li><strong>Install your stack:<\/strong> Nginx\/Apache, PHP-FPM or Node.js\/PM2, Java, Redis, message queues, and language runtimes matching the blue node.<\/li>\n\n\n\n<li>Copy application code and assets using rsync. Repeat later to catch deltas.<\/li>\n\n\n\n<li><strong>Seed the database to the new node:<\/strong> use native replication (MySQL\/PostgreSQL) for continuous sync, or a managed replica.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.youstable.com\/blog\/configure-load-balancer-on-linux\/\"><strong>Configure a load balancer<\/a> or reverse proxy. Options: <\/strong>provider load balancer, Nginx\/HAProxy, or a floating IP you can swing instantly.<\/li>\n\n\n\n<li>Point the load balancer to the blue node first; add the green node in \u201cdrain\u201d mode for testing (not receiving user traffic yet).<\/li>\n\n\n\n<li><strong>Run integration tests on the green node:<\/strong> health endpoints, login flows, checkout, <a href=\"https:\/\/www.youstable.com\/blog\/how-to-increase-file-upload-size-in-cpanel\/\">file uploads<\/a>, cron jobs, and background workers.<\/li>\n\n\n\n<li>Freeze writes briefly or use replication to avoid divergence. For write-heavy apps, keep replication running until cutover.<\/li>\n\n\n\n<li>Perform final rsync for web assets and any persistent storage (images, user uploads, media).<\/li>\n\n\n\n<li><strong>Switch traffic:<\/strong> remove the blue node from the backend pool and send 100% to green, or move the floating IP to green. If only DNS is available, update A\/AAAA records (low TTL makes it near\u2011instant).<\/li>\n\n\n\n<li>Monitor closely for 30\u201360 minutes: error rates, latency, 5xx logs, DB replication state, and system metrics.<\/li>\n\n\n\n<li>Keep the old node on standby until you\u2019re confident. If issues appear, roll back by flipping traffic back to blue.<\/li>\n\n\n\n<li>Decommission the old node only after backups and a final verification.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"useful-commands-for-the-cutover\"><strong>Useful commands for the cutover<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># Check DNS TTL and current IP\ndig +nocmd example.com A +noall +answer\ndig +nocmd www.example.com A +noall +answer\n\n# One-time rsync (repeat just before cutover)\nrsync -azP --delete -e \"ssh -i ~\/.ssh\/id_rsa\" \/var\/www\/ user@NEW_VPS:\/var\/www\/\n\n# MySQL initial dump (if not using replica)\nmysqldump --single-transaction --routines --triggers --events -u root -p dbname | \\\n  ssh user@NEW_VPS \"mysql -u root -p dbname\"\n\n# Simple Nginx reverse proxy (temporary)\n# \/etc\/nginx\/conf.d\/upgrade-proxy.conf\nupstream app_backend {\n  server OLD_VPS_IP max_fails=3 fail_timeout=10s;\n  server NEW_VPS_IP backup;  # add\/remove when ready\n}\nserver {\n  listen 80;\n  server_name example.com;\n  location \/ {\n    proxy_pass http:\/\/app_backend;\n    proxy_set_header Host $host;\n    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n  }\n}<\/code><\/pre>\n\n\n\n<p><strong>Tip:<\/strong> If your provider offers a floating IP or anycast load balancer, use it to switch traffic instantly without waiting for <a href=\"https:\/\/www.youstable.com\/blog\/dns-propagation\/\">DNS propagation<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"setting-up-live-db-sync-mysql-example\"><strong>Setting up live DB sync (MySQL example)<\/strong><\/h2>\n\n\n\n<p>For true zero downtime, avoid a write freeze by streaming changes to the new node before the cutover. Here\u2019s a minimal MySQL approach.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># On source (blue), get a consistent dump and binlog position\nmysqldump --single-transaction --master-data=2 -u root -p dbname &gt; dump.sql\n\n# Transfer and import on target (green)\nscp dump.sql user@GREEN:\/tmp\/\nssh user@GREEN \"mysql -u root -p dbname &lt; \/tmp\/dump.sql\"\n\n# On target, configure replication\n# Replace SOURCE_HOST, LOG_FILE, LOG_POS with values from dump.sql's MASTER DATA\nmysql -u root -p -e \"\nCHANGE REPLICATION SOURCE TO\n  SOURCE_HOST='SOURCE_HOST',\n  SOURCE_USER='repl',\n  SOURCE_PASSWORD='strongpass',\n  SOURCE_LOG_FILE='mysql-bin.000123',\n  SOURCE_LOG_POS=456789;\nSTART REPLICA;\nSHOW REPLICA STATUS\\G\"\n<\/code><\/pre>\n\n\n\n<p>At cutover, stop writes on blue, let replica catch up (Seconds_Behind_Source = 0), point traffic to green, then promote green to primary.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"safest-in-place-vps-upgrade-with-near-zero-impact\"><strong>Safest in\u2011place VPS upgrade (with near\u2011zero impact)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. Snapshot the VM and ensure recent off\u2011site backups.<\/li>\n\n\n\n<li>2. Drain traffic using a load balancer, or enable a temporary proxy to shift users away.<\/li>\n\n\n\n<li>3. Perform the plan upgrade in your <a href=\"https:\/\/www.youstable.com\/blog\/control-panel\/\">control panel<\/a> (CPU\/RAM\/disk). For KVM, CPU\/RAM hot add may apply; disk expansion usually requires OS steps.<\/li>\n\n\n\n<li>4. Expand the partition and filesystem (ext4\/xfs) online if supported; otherwise schedule a brief maintenance window.<\/li>\n\n\n\n<li>5. Re-enable traffic and monitor. If anything breaks, restore snapshot or roll back the plan.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># Identify the new disk\/partition and resize (examples)\nlsblk\n\n# For ext4 on LVM\nlvextend -r -l +100%FREE \/dev\/vg0\/root\n# or if partitioned and already extended:\nresize2fs \/dev\/vg0\/root\n\n# For XFS\nxfs_growfs \/<\/code><\/pre>\n\n\n\n<p><strong>Note:<\/strong> Kernel upgrades and some hypervisor changes can require a reboot. Use connection draining to keep user impact near zero.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"testing-and-verification-checklist\"><strong>Testing and verification checklist<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Application health:<\/strong> curl \/health, load homepage, login, checkout, uploads.<\/li>\n\n\n\n<li><strong>Performance:<\/strong> compare P95 latency, CPU steal time, I\/O wait, and network throughput.<\/li>\n\n\n\n<li><strong>Logs:<\/strong> watch Nginx\/Apache, app logs, and kernel messages (dmesg) for errors.<\/li>\n\n\n\n<li><strong>DB state:<\/strong> verify replication stopped\/removed correctly; read\/write on the new primary only.<\/li>\n\n\n\n<li><strong>Background jobs:<\/strong> confirm cron, queues, and workers run once (avoid double processing).<\/li>\n\n\n\n<li><strong>SSL\/TLS:<\/strong> confirm certificates and HSTS are intact; test HTTP\/2\/3.<\/li>\n\n\n\n<li><strong>Monitoring:<\/strong> ensure alerts, dashboards, and uptime checks point to the new node.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"rollback-plan-you-can-execute-in-seconds\"><strong>Rollback plan you can execute in seconds<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"blue-green-rollback\"><strong>Blue\u2011green rollback<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Flip the load balancer or floating IP back to blue.<\/li>\n\n\n\n<li>If using DNS, restore the previous A\/AAAA records (low TTL speeds recovery).<\/li>\n\n\n\n<li>Investigate on green while production remains stable on blue.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"in-place-rollback\"><strong>In\u2011place rollback<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Revert to snapshot in the control panel.<\/li>\n\n\n\n<li>Restore off\u2011site backups if snapshot isn\u2019t viable.<\/li>\n\n\n\n<li>Document the failure point to prevent recurrence.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"tips-to-avoid-hidden-downtime\"><strong>Tips to avoid hidden downtime<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Shorten connection lifetimes: <\/strong>lower keepalive and cache TTLs before cutover.<\/li>\n\n\n\n<li>Use health checks with fail-fast behavior on load balancers.<\/li>\n\n\n\n<li><strong>Graceful reloads:<\/strong> systemctl reload nginx; zero-downtime Node.js with PM2 cluster mode.<\/li>\n\n\n\n<li><strong>Session strategy:<\/strong> use sticky sessions or centralized session stores (Redis) to avoid logouts during cutover.<\/li>\n\n\n\n<li><strong>File consistency: <\/strong>store user uploads on shared storage or sync frequently; avoid writes during final rsync.<\/li>\n\n\n\n<li><strong>Staging rehearsal: <\/strong>dry run the exact steps on a staging domain to validate commands and timing.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"how-youstable-can-help-soft-recommendation\"><strong>How YouStable can help (soft recommendation)<\/strong><\/h2>\n\n\n\n<p>If you want a guided path, YouStable\u2019s cloud VPS plans are designed for smooth scaling. You get snapshot backups, high\u2011performance NVMe storage, and options like load balancers and floating IPs that make blue\u2011green cutovers fast. Our migration team can assist with replicas, DNS, and testing so your upgrade feels invisible to users.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"common-pitfalls-during-a-vps-upgrade\"><strong>Common pitfalls during a VPS upgrade<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Forgetting to lower DNS TTL, causing a long propagation delay.<\/li>\n\n\n\n<li>Expanding disk but not the filesystem, leaving space unused.<\/li>\n\n\n\n<li>Double-running <a href=\"https:\/\/www.youstable.com\/blog\/install-cron-jobs-on-linux\/\">cron jobs on both servers<\/a> after cutover.<\/li>\n\n\n\n<li>Mismatched PHP extensions or Node versions breaking builds.<\/li>\n\n\n\n<li>Ignoring DB replication lag and promoting a stale replica.<\/li>\n\n\n\n<li>No clear rollback; minutes matter when something misbehaves.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"faqs\"><strong>FAQ&#8217;s<\/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-1766051688891\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"can-i-upgrade-cpu-and-ram-on-a-vps-without-rebooting\"><strong>Can I upgrade CPU and RAM on a VPS without rebooting?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Sometimes. On KVM-based VPS, many providers support hot-add CPU and RAM, but not always. Disk changes usually require filesystem actions and may need a reboot. To guarantee zero downtime, use a blue\u2011green approach with a quick cutover instead of in\u2011place resizing.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1766051698677\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"whats-the-fastest-way-to-switch-traffic-during-an-upgrade\"><strong>What\u2019s the fastest way to switch traffic during an upgrade?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>A floating IP or provider load balancer is fastest\u2014traffic moves instantly. If those aren\u2019t available, reduce DNS TTL to 60\u2013300 seconds before the upgrade and swap A\/AAAA records at cutover time. A reverse proxy (Nginx\/HAProxy) can also route traffic to the new node immediately.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1766051718965\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"how-do-i-keep-my-database-synced-with-zero-downtime\"><strong>How do I keep my database synced with zero downtime?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Use native replication: MySQL asynchronous or semi-sync, or PostgreSQL streaming replication. Seed the new node, start replication, then at cutover stop writes briefly, allow it to catch up, promote the replica, and flip traffic. Managed databases with read replicas make this even easier.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1766051727019\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"do-i-need-a-load-balancer-for-a-zero-downtime-vps-upgrade\"><strong>Do I need a load balancer for a zero\u2011downtime VPS upgrade?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>It\u2019s not mandatory but highly recommended. A load balancer or floating IP enables instant failover and controlled shifts (blue\u2011green or canary). Without it, you rely on DNS only, which works with short TTLs but offers less control during the transition.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1766051736549\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"whats-the-safest-upgrade-path-for-wordpress-sites\"><strong>What\u2019s the safest upgrade path for WordPress sites?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Use a new VPS (green), sync files and the database, enable object caching (Redis), and test on a staging domain. Lower TTL, switch traffic via a load balancer or floating IP, then purge caches\/CDN. For high-traffic stores, set up database replication to avoid write freezes during cutover.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>To upgrade a VPS without downtime, prepare a parallel environment, sync data continuously, lower DNS TTL, and shift traffic via [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":16253,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[350],"tags":[],"class_list":["post-14698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledgebase"],"acf":[],"featured_image_src":"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/How-to-Upgrade-Your-VPS-Without-Downtime.jpg","author_info":{"display_name":"Sanjeet Chauhan","author_link":"https:\/\/www.youstable.com\/blog\/author\/sanjeet"},"_links":{"self":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/14698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/comments?post=14698"}],"version-history":[{"count":6,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/14698\/revisions"}],"predecessor-version":[{"id":15194,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/14698\/revisions\/15194"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/media\/16253"}],"wp:attachment":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/media?parent=14698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/categories?post=14698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/tags?post=14698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}