Explore the limitless possibilities of Linux, the open-source operating system that powers everything from smartphones and smart homes to data centers and supercomputers. From beginner-friendly tutorials to advanced system administration tips, our Linux category has everything you need to unleash your inner geek and take your tech skills to the next level. Join us on this exciting journey and discover the power of Linux today!
9 篇文章
Linux前言：城門守衛的覺悟 天下伺服器之道，知架設者多，知防守者少。 曾幾何時，你的網站在深夜三點被不明流量灌爆，error log 像瀑布一樣往下滾，你只能抱著筆電對螢幕唸經。那一刻你才體悟到：架站只是入門，防守才是修行。 本文基於實戰經驗，分享如何用 Nginx 打造七層防禦工事，讓你的伺服器在 DDoS 洪流中屹立不搖。所有配置皆經過生產環境驗證，拿去直接用。 架構概覽：反向代理是第一道城牆 我們的架構很單純：Nginx 做反向代理，前面接網際網路，後面接多台應用伺服器。 Internet ──▶ Nginx (反向代理) ──▶ 後端服務群 App-Server-A:8443 (ERP 系統) App-Server-B:443 (官網、API、CMS...) App-Server-C:8443...
iDempiere運行像 iDempiere 這樣的強大 ERP 系統，不僅需要成功安裝，還需要一套機制來確保服務全天候 24/7 在線。在本指南中，我們將逐步說明如何配置 systemd 服務（通常稱為「看門狗」設置）來自動管理您的 iDempiere 實例。 為什麼要使用 Systemd 來管理 iDempiere？ 預設情況下，在終端機中手動執行腳本是有風險的。如果終端關閉或應用程式崩潰，ERP 系統就會停機。透過使用 systemd，您可以獲得： 自動啟動：伺服器開機時，iDempiere 會自動啟動。 自動重啟：如果服務崩潰，Linux 會自動嘗試重新啟動。 依賴管理：確保 iDempiere 僅在資料庫（PostgreSQL）準備就緒後才啟動。...
LinuxForgetting your Ubuntu Linux password can be frustrating, but don't panic! There are a few ways to regain access to your system. This guide will...
LinuxAs a mail server administrator, you might encounter situations where spam emails pass through even when they have valid SPF records. One effective way to...
IoTTo determine whether your Raspberry Pi is running a 32-bit or 64-bit operating system, you can use various methods. Here are some steps: 1. Using...
iDempiereIntroduction PostgreSQL is a powerful, open-source relational database management system that continues to evolve with each new release. Upgrading to a newer version of PostgreSQL...
LinuxTo change the default Java version in Ubuntu, you can follow these steps: Check the installed Java versions on your system using the command: 1....
iDempiereIt is possible to install iDempiere ERP on a Raspberry Pi 4. However, it is important to note that the performance of iDempiere on a...
ufw and iptables are closely related. In Ubuntu, ufw is a front-end interface to iptables that provides simpler commands and options for setting iptables rules...