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Category articles197 articles
Learn VPS tasks in the order you need them, from signing in and transferring files to configuring the system, deploying apps, restoring backups, and troubleshooting.
Native IP VPS and residential IP VPS are not a question of which is more advanced—they serve different scenarios. TikTok, e-commerce stores, streaming unblocking, and corporate website hosting have completely different IP requirements, and buying the wrong one turns into risk-control flags, refunds, and the hassle of changing IPs.
A residential IP VPS is not a get-out-of-jail-free card for TikTok accounts. Before buying, check the IP type, ASN, dynamic/static, DNS/WebRTC leaks, device environment, line stability, IP change and refund rules, or you may easily lose both the machine money and the account.
Logging into multiple accounts and regions on one VPS looks like a way to save money, but in practice it easily scrambles your account environments. Using cross-border business and TikTok scenarios, this article explains how to isolate IP, browser, time zone, DNS, SSH and automation scripts.
After buying a new VPS, don't rush to deploy a website, set up email, or log in to cross-border accounts. First check whether the IP has been blacklisted, has an abuse history, whether its geolocation is consistent, and whether the ASN looks normal. Otherwise, when emails land in spam, accounts trigger verification, or streaming services act up later, it will be hard to pinpoint the cause.
The service on your VPS is clearly running, local curl works fine, but the internet just can't reach it. Most problems come down to the listen address, the system firewall, the cloud provider's security group, port conflicts, or reverse proxy configuration. This article walks through the troubleshooting order step by step.
Many VPS incidents aren't caused by bad application code, but by MySQL, PostgreSQL, and Redis being opened directly to the public internet. This article explains why you shouldn't expose 3306/5432/6379, and covers safer remote access methods such as SSH tunnels, VPNs, private networks, and allowlists.
When your VPS has problems, don't just restart services. This article follows the order of systemctl, journalctl, Nginx access/error logs, Docker logs, and application logs to explain clearly how to pinpoint port, permission, configuration, memory, and startup failure issues from logs.
Your VPS reports No space left on device, but df -h clearly shows free space? It's likely not capacity that's full, but inodes that are used up. This article explains the difference between df -h and df -i, how to locate the source of small files, and how to safely clean up Docker, journal, cache and session files.
Let's Encrypt certificates are valid for only 90 days, and certbot.timer can look healthy while renewal still fails. This article lays out a troubleshooting checklist for VPS HTTPS certificate renewal failures in this order: certbot renew --dry-run, port 80, Nginx challenge, Cloudflare proxy, DNS-01, deploy hook, and expiry monitoring.
