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grep
教學網站 http://www.cyberciti.biz/faq/grep-regular-expressions/ https://www.ubuntupit.com/practic...
加密檔案 - OpenSSL
Create Example Reference File, let us create a 1GB large text file using the fallocate command: ...
Learning
教學文章 How to SSH into a Docker Container Monitoring Docker Containers With Grafana Using Dockp...
Rsyslog
Tutorials Remote Syslogging with rsyslog on Red Hat Enterprise Linux - Red Hat Customer Portal...
Post-Installation
Set root's password for MySQL mysql_secure_installation Log File Rotation If this is not done ...
Incredible PBX
Post-Installation Incredible PBX 2027 with Debian 11 Reset the hostname and password: # Set th...
nmap 常用指令集
掃描單一主機 ### Scan a single ip address ### nmap 192.168.1.1 ## Scan a host name ### nmap serv...
Learning nmap
線上教學 Top 32 Nmap Command Examples For Linux Sys/Network Admins [中文] https://www.lijyyh.com/20...
FAQ
ARP Cache 不會更新 (Send out Gratuitous ARP) 問題說明:兩部相同規格的 Linux 主機,平時互作備援,網路設定各有一個固定 IP 與共用一個 VIP,VI...
Yum/Dnf & Rpm
yum/dnf 套件庫管裡 # 已啟用的套件庫清單 dnf repolist enabled # 列出所有的套件庫包含 disabled 與 enabled dnf repolis...
DNS Server
Tutorials DNS over HTTPS (DoH) How to install dnscrypt proxy with adblocker on Linux Secur...
dig - DNS Lookup Utility
The dig is a powerful CLI to find out information about domains and IP addresses without using an...
nc - Netcat
Linux 系統中一個多用途的網路工具程式,雖然它只是一個小程式,但是能夠做的事情很多,就像瑞士刀一樣,幾乎任何使用 TCP 或 UDP 封包的動作都可以用它來達成,是許多系統管理者(包含我自己...
網路指令與技巧
Tutorials Linux See Bandwidth Usage Per Process With Nethogs Tool ip # 顯示所有網卡資訊 ip addr ...
vimrc
vimrc " " minimal vimrc with no (extra) plugins " "regular settings "---------------- " u...
OSI Model by layer
Diagram
每日金句
不多言、不生氣、不爭辯 善者不辨;辯者不善 做主管別想討人喜歡!張忠謀:成功的領導人都不可愛,他們是被尊敬的。 巴菲特選擇搭檔的忠告:比你聰明、比你謙虛、還不會馬後炮。
Learning
Top 10 Open Source Vulnerability Assessment Tools OSV-Scanner 5 Tools to Scan a Linux Server ...
Load Balancing Algorithms
This picture is Gif with animation, you can download it directly, alternatively being patient to ...
Subscription Usage
Viewing subscription NOTE: 這裡的版本號是指已訂閱的線上產品的版本,並非安裝在系統的版本。 # subscription-manager list --in...