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Oracle VM Server for x86
Document Oracle VM Overview Oracle VM: Support Matrix of Oracle VM Manager and Server
WireGuard
WireGuard Server wireguard-install WireGuard Client YT: WireGuard - How to Install and Configure WireGuard VPN Client on Ubuntu | Debian | LinuxMint - YouTube wireguird - wireguard gtk gui for linux How to configure WireGuard VPN client with Networ...
Learning
Network Forensics, Wireshark Basics, Part 1 10 Tips On How to Use Wireshark to Analyze Network Packets (tecmint.com)
VPS Data Backup
RClone RClone with Storj Rclone with Hosted Gateway HashBackup Backups with HashBackup
Multimedia Integration
Jellyfin Jellyfin - Storj Cloud Storage How to use Plex and Storj DCS as a private streaming service
Management UI
The RabbitMQ management plugin provides an HTTP-based API for management and monitoring of RabbitMQ nodes and clusters, along with a browser-based UI and a command line tool, rabbitmqadmin. https://www.rabbitmq.com/management.html Getting Started rabbi...
Plugins
https://www.rabbitmq.com/plugins.html A list of plugins available locally rabbitmq-plugins list Enable/Disable the plugin rabbitmq-plugins enable rabbitmq_management rabbitmq-plugins disable rabbitmq_management Different Ways to Enable Plugins NOTE: ...
算術
let #!/usr/bin/env bash let NUMBER1=10 let NUMBER2=3 # Addition => + operator let ADD=$NUMBER1+$NUMBER2 echo "Addition of two numbers : ${ADD}" # Subtraction => - operator let SUB=$NUMBER1-$NUMBER2 echo "Subtraction of two numbers : ${SUB}" #...
Build with Maven
Download Maven https://maven.apache.org/install.html wget https://dlcdn.apache.org/maven/maven-3/3.8.6/binaries/apache-maven-3.8.6-bin.tar.gz tar xzf apache-maven-3.8.6-bin.tar.gz cd apache-maven-3.8.6/bin mvn -v Install JDK (not JRE) RedHat 8: dnf in...
Installation
Introduction Oracle expands Oracle Linux KVM server virtualization solution with Oracle Linux 8 support Oracle Linux Virtualization Manager
AMQP Client
Terms & Concepts Queue prefetch: Consumer 的參數。當 consumer 接收訊息是採 PUSH 模式,且發送端會有大量訊息寫入,由於 consumer 的 PUSH 模式,會一次接收大量(一次幾百或幾千)的訊息,假使 consumer 未能及時處理所有訊息,那些待處理的訊息會處於 Unacked 狀態,一旦 Unacked 的訊息量過多,主機就會終止連線。要解決這個問題,consumer 必須使用 prefetch 限制主機每次推送至 consumer 的訊息量。 ...
ufw - Uncomplicated Firewall
Uncomplicated Firewall,簡稱 UFW,是 Ubuntu 系統上預設的防火牆組件。UFW 是為輕量化組態 iptables 而開發的一款工具。UFW 提供一個非常友好的介面用於建立基於 IPV4,IPV6的防火牆規則。UFW 在 Ubuntu 8.04 LTS 後的所有發行版中預設可用。 Tutorials Linux Firewalls: Uncomplicated Firewall (ufw) Using Firewall With UFW in Ubuntu Linux [Beg...
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 CLI rabbitmq-diagnostics Online Resource Utilization rabbitmq-diagnostics observer RabbitMQ Version [root@tpeeaprmq98 ~]# rabbitmq-diagnostics server_versi...
Example: IP Geolocation Tool
maxmind_db_ip_geolocator.py Original Post: Python Basics for Hackers, Part 4: How to Find the Exact Location of any IP Address #! /usr/bin/python #Hello fellow hackers! My name is Defalt #I built a very basic version of this tool a long time ago and re...
RabbitMQ Cluster
Clustering Guide — RabbitMQ RabbitMQ Learning III: RabbitMQ Clustering and Load Balancing How to Set Up the RabbitMQ Cluster on Ubuntu/Debian Linux Clustering Guide (vmware.com) RabbitMQ 集群搭建 (with HAProxy) RabbitMQ集群架构模式 | guaosi的博客 For Windows only...
dotNet
Tutorials [GitHub] AMQP.Net Lite RedHat AMQ .Net Client C# 連線至 RabbitMQ Cluster - 使用 RabbitMQ .Net Client 及 EasyNetQ [GitHub] EasyNetQ Case: Console RabbitMQ Client ConsoleRabbitMQ.zip Package Required: RabbitMQ.Client Target Framework: net...
FAQ
Q: 無法啟動 node 服務 Application rabbit exited with reason: {{could_not_write_file,"/var/lib/rabbitmq/mnesia/rabbit@tpeeaprmq982/cluster_nodes.config",enospc},{rabbit,start,[normal,[]]}} Solution: 可能是磁碟空間使用爆了,移除目錄 /var/lib/rabbitmq/mnesia 底下 node 資料子目錄。 [r...
Git 常用指令
Git 檔案狀態 狀態 2 與 3 的檔案已經由 Git 控管內容變更。 Modified/Untracked: 檔案已修改,尚未執行 git add Staged: 檔案已經 git add,尚未執行 git commit Commited: 檔案已經 git commit 全域設定檔 # Using git to edit the configuration git config global --edit # List the global configurations ...