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CentOS/RedHat Tips
停用不必要的服務 CentOS 7/8: secure-linux.sh #!/usr/bin/env bash # Author: A.Lang(alang.hsu[AT]gmail.c...
設定 postfix 為寄信主機
情境說明 需求：需要一部 SMTP 寄信主機可供論壇網站寄信，免費的 Gmail 或 ISP 提供的 SMTP 主機都會有寄送數量的限制，而其他提供可大量寄信的雲端服務商，例如 Mailchi...
Monitoring & Management
Web UI Overview Ready: 已經發佈到 Queue 的訊息量 Unacked: 消費端已接收但尚未 Ack 的訊息量 Total: Ready + Unacked ...
fwconsole
Tutorials CLI Commands Help fwconsole help # lists all commands php /usr/sbin/fwconsol...
Import Virtualbox ova Image
Export from Virtualbox 匯出 VM 至一個 *.ova image 格式選 OVF1.0。(非必要) 不要勾選網卡。(建議:在匯入 vmware 以後，再...
Git Installation
Git Client # CentOS/RedHat 5/6 # Install from source # Get the required version of GIT from ht...
vCenter Patch
官方連結 教學：VMware vCenter Server 6.7 Update 3n Release Notes 下載： Product Patches - VMware Custom...
ESXi Commands
Check whether the /tmp directory is full vdf | grep tmp System Module esxcli system module lis...
ESXi Bug Fix & Upgrade
升級或更新 ESX 主機步驟 用 SSH 方式 以 SSH Client 登入 vSphere 主機進行軟體修正程序。 NOTE: vSphere 主機必須事先手動啟用 SSH 服務。...
Dockerize Custom Application
Tutorials Dockerize a Python application - DEV Community DEV Community
System Management
Users and Groups # Add user # for Debian adduser -d /qortal_home -s /bin/bash -c "Qortal Node"...
校時與時區設定
Tutorials How to Sync Linux Time With NTP Server - Make Tech Easier Chrony Built-in on Cen...
Transfer/Move Docker
Sample: osslab-dekiwiki docker run -d -p 8880:80 \ -v /etc/localtime:/etc/localtime:ro \ -v $P...
Tips
Cheat Sheet Options in the integration with Shell CURL_CMD="curl" CURL_OPT="-qSfs -m 60" CU...
RabbitMQ Cluster
Clustering Guide — RabbitMQ RabbitMQ Learning III: RabbitMQ Clustering and Load Balancing How...
Contribute to Github
Steps to contribute your changes / patches in open source repository. Preparing your Fork 1. Hi...
SSL/TLS Web Server
Generate Certificates Method 1: 不需要 CA 的憑證 mkdir /etc/apache2/certs cd /etc/apache2/certs ope...
FreeSwitch Tips
Links FreeSwitch Documentation: https://developer.signalwire.com/freeswitch/FreeSWITCH-Explai...
外部轉信主機設定
Tutorials Exim4 Setup Exim to Send Email Using Gmail in Debian Sendinblue Home: https://w...
Installation sudo apt install mailutils # [On Debian, Ubuntu and Mint] sudo yum install ...