Build a mail server with docker-mailserver

docker-mailserver is a production-ready fullstack but simple mail server that runs inside a container. Building a mail server is quite complicated, and for a beginner, it may be unclear how to star...

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Enable TLS communication between frps and frpc

In this article I introduced how to use frp to establish an SSH connection to a local server. In fact, services running on a local server also can be exposed to the internet via frp's TCP forwardin...

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Use aria2+AriaNg as download service

Aria2 is a lightweight and powerful download utility. However, since aria2 is operated using command, it is slightly difficult for the normal user. Therefore, typically I use AriaNg as the web fron...

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Pylr - A simple audio/video plugin for Typecho

As Typecho does not support audio and video, playing them on Typecho pages requires a plugin. However, most plugins obtain audio resources from playlists on Netease Cloud or QQ Music, which means t...

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Issue a wildcard cert using acme.sh

In a previous article I introduced how to issue an SSL cert for a single subdomain using acme. If there are several services running on a server (e.g., cloud storage, blog, chatroom), and each serv...

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Enable swap partition on Linux

If a server has RAM less than 1 GB or uses resource heavy services, it would be a good idea to enable swap space as the RAM may be exhausted here. This article records how I enable Swap on Linux.

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Implement intranet penetration using frp

frp is a fast reverse proxy to expose a local server behind a network address translation (NAT) or firewall to the internet. This article introduces how to use frp to establish a SSH connection wit...

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Initial setup for Linux servers

Since buying the first server last year, I have bought several servers up to now. Because they are exposed to the internet, some necessary configurations in terms of firewall, ssh, etc., are requir...

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Issue an SSL/TLS certificate using acme.sh

From July 1, 2018, Chrome shows all sites that do not use SSL certificates as "not secure", while sites with SSL certificates receive a boost in weight ranking. In fact, it is easy to issue, instal...

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