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For Quick-Fix, Jump directly to the ip neigh replace section Diagnostic Process: First, check routing and neighbors with ip route and ip neigh 1 2 3 # ip neigh xx.xx.xx.2 dev eth0 FAILED xx.xx.xx.1 dev eth0 INCOMPLETE Resolution for the INCOMPLETE issue (ignore the FAILED one). Checking results with tcpdump shows: When replying, a large number of ARP, Request who-has xx.xx.xx.1 are sent. Conclusion: The gateway is “Playing Dead”: The key point is that no one is responding to this ARP request. Because your VPS cannot get the MAC address of the gateway xx.xx.xx.1, it doesn’t know who to throw the reply packet to, causing the packets to be dropped inside your network card. ...

Promotion Link [No AFF]: https://www.netcup.com/en/deals This article covers: Promotion Link, Vouchers, Tax-Exempt Registration Guide, Refund Tutorial, Domain Registration/Transfer, Domain DNS Modification, and WebHosting Deployment Tutorial for ThinkPHP/Laravel. Except for official voucher codes obtained via Newsletter, anyone giving them has AFF (affiliate links), including here! 💡 Key Reminders The promotional price is not a first-year discount; it is a permanent price! This flash sale includes the 1o box (1o-VServer), Source . 5o vouchers can be used for promotions (except the 1o box). We recommend binding a 5o voucher following the guide below before the event starts to secure your order faster. 💰 Vouchers (Continuously Updated) 5 Euro Vouchers (Not applicable to domains/1o VServer) ...

I recently noticed that Incudal launched an extremely cost-effective domain email service for just $1.71/year (roughly $1.70 USD/year). This service runs as an upstream affiliate/reseller of Namecrane, making the underlying architecture mature and highly reliable. For home lab enthusiasts or webmasters (MJJs) with multiple domains looking for cheap enterprise-grade vanity emails, this is an unrivaled budget-friendly pick. As usual, here is your 5% discount voucher: 💡 Exclusive 5% Recurring Discount Code: AFF-1219-NEEDOLPX 👉 Direct Purchase Link ...

I recently tried a little trick and found it quite useful: To make Codex / Claude code a bit more diligently, you can directly tell it: Another model is reviewing its code. For example, when using Codex, you say to it: Claude is reviewing your code. It really makes a difference. They clearly get more serious, consider more full-fledged points, and are less prone to slacking. In my understanding, fundamentally this adds a layer of “Peer Review” pressure. Once they know: ...

When shopping for servers, you will often find that NAT servers are significantly cheaper than servers with dedicated IPs. This is particularly noticeable with residential IP servers, where prices can be less than 1/10th of a dedicated IP node. However, for beginners, merely understanding dedicated IPs is already a headache, let alone NAT setups which leave many completely clueless. This article aims to clarify the nature of NAT servers and provide practical usage workflows, enabling any beginner to fully master NAT servers after one read. ...

When discussing VPSs, an inevitable topic is IP quality—a highly mystical and headache-inducing subject. What is IP quality? How to judge IP quality? Which websites are accurate, and which aren’t? What kind of IP do I need? These are complex topics; today, tying together common methods and my personal experience to summarize for beginners/MJJs. All recommendations here are subjective; evaluate fit independently. The article below is divided into sections; each section answers: ...

Hello MJJs! When purchasing machines, three focal targets prevail: IP quality, hardware performance, and network routes. IP quality has been covered thoroughly; today we outline routes. This article follows this order: Network route definitions -> ASN -> domestic routes -> dedicated lines > international interconnect -> common tools 1. Network Routes: Definitions & Impact What is a network route? Simply put, a network route is the “highway” your data traverses from a local PC to remote hosts. ...

Overview Docker has supported IPv6 for quite some time, yet it remains disabled by default. This article documents enabling container IPv6 outbound capacity via NAT ULA on Debian 13. This method avoids complex routing broadcasts and mirrors the IPv4 experience almost identically. Modifying Configuration Edit Docker daemon configuration file: 1 sudo vim /etc/docker/daemon.json Add the following configuration: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 { "log-driver": "json-file", "log-opts": { "max-size": "20m", "max-file": "3" }, // Globally enable IPv6 "ipv6": true, // Allocate ULA address block "fixed-cidr-v6": "fd00:dead:beef::/64", "experimental": true, // Enable NAT translation (ip6tables) "ip6tables": true, // Private address pools "default-address-pools": [ { "base": "172.17.0.0/16", "size": 24 }, { "base": "fd00:dead:beef:100::/80", "size": 112 } ] } Restart Docker for settings to take effect: ...

Preface I used to find Nginx configuration cumbersome, and after using Cloudflare Tunnel and enjoying the sweet automatic reverse proxy and HTTPS, I didn’t want to touch Nginx. However, Cloudflare Tunnel is not a silver bullet; its support for certain services can be finicky. Recently, for larger services, I tried combining traditional Nginx reverse proxy with Cloudflare CDN for access. Thanks to Cloudflare’s Origin Certificates, deploying fully-fledged HTTPS became simple without needing CertBot or acme.sh, while Cloudflare handles automatic issuance, deployment, and updating of Edge Certificates. ...

Preface AsmBB is a lightweight forum engine written entirely in assembly language, utilizing SQLite databases and communicating with web servers via the FastCGI interface. Official precompiled binary packages are available out of the box, making it perfect for self-hosting on personal VPS setups. This article documents deploying AsmBB on Debian 13 environment and configuring Nginx access. Environment Setup Install Nginx Refer to this guide for installing Nginx on Debian 13; details omitted here. ...