Curl

Curl URL Request Library

Installation

• Debian-basierte Systeme
• apt install curl
• Arch-basierte Systeme
• pacman -S curl

nützliche Webseiten

öffentliche IP-Adresse herausfinden

• curl -6 ifconfig.co

*xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx*

• curl -4 ipinfo.io

{
  "ip": "xxx.xxx.xxx.xxx.xxx",
  "city": "Frankfurt am Main",
  "region": "Hesse",
  "country": "DE",
  "loc": "Breitengrad, Längengrad",
  "org": "Organisation",
  "postal": "60306",
  "timezone": "Europe/Berlin",
  "readme": "https://ipinfo.io/missingauth"
}

Cheat Sheet für Kommandozeilenbefehle

• curl cheat.sh/find

find . -iname '*.jpg'

# Find directories.
find . -type d

# Find files. Specifically files; not directories, links, FIFOs, etc.
find . -type f

# Find files set to the provided octal mode (permissions).
find . -type f -perm 777
...

• curl cheat.sh/nmap

# Single target scan:
nmap [target]

# Scan from a list of targets:
nmap -iL [list.txt]

# Scan port for all available A records
# (useful when multiple A records are returned by the DNS server)
nmap --script resolveall --script-args newtargets,resolveall.hosts=[target] -p [port]

# iPv6:
nmap -6 [target]

# OS detection:
nmap -O --osscan_guess [target]

# Save output to text file:
nmap -oN [output.txt] [target]
...

• curl cheat.sh/tcpdump

# Intercepts all packets on eth0
tcpdump -i eth0

# Intercepts all packets from/to 173.194.40.120
tcpdump host 173.194.40.120

# Intercepts all packets on all interfaces from / to 173.194.40.120 port 80
# -nn => Disables name resolution for IP addresses and port numbers.
tcpdump -nn -i any host 173.194.40.120 and port 80

Das Wetter

• curl wttr.in/Zweibrücken

Weather report: Zweibrücken

      \   /     Sunny
       .-.      +2(-2) °C      
    ― (   ) ―   ↓ 4 km/h       
       `-’      10 km          
      /   \     0.0 mm         
                                                       ┌─────────────┐                                                       
┌──────────────────────────────┬───────────────────────┤  Fri 03 Mar ├───────────────────────┬──────────────────────────────┐
│            Morning           │             Noon      └──────┬──────┘     Evening           │             Night            │
├──────────────────────────────┼──────────────────────────────┼──────────────────────────────┼──────────────────────────────┤
│     \   /     Sunny          │     \   /     Sunny          │     \   /     Sunny          │     \   /     Clear          │
│      .-.      +1(-2) °C      │      .-.      +7(5) °C       │      .-.      +6(5) °C       │      .-.      +2(0) °C       │
│   ― (   ) ―   ↙ 9-15 km/h    │   ― (   ) ―   ↙ 13-14 km/h  │   ― (   ) ―   ↙ 9-13 km/h    │   ― (   ) ―   ↓ 7-15 km/h    │
│      `-’      10 km          │      `-’      10 km          │      `-’      10 km          │      `-’      10 km          │
│     /   \     0.0 mm | 0%    │     /   \     0.0 mm | 0%    │     /   \     0.0 mm | 0%    │     /   \     0.0 mm | 0%    │
└──────────────────────────────┴──────────────────────────────┴──────────────────────────────┴──────────────────────────────┘
                                                       ┌─────────────┐                                                       
┌──────────────────────────────┬───────────────────────┤  Sat 04 Mar ├───────────────────────┬──────────────────────────────┐
│            Morning           │             Noon      └──────┬──────┘     Evening           │             Night            │
├──────────────────────────────┼──────────────────────────────┼──────────────────────────────┼──────────────────────────────┤
│     \   /     Sunny          │     \   /     Sunny          │    \  /       Partly cloudy  │               Cloudy         │
│      .-.      +2(0) °C       │      .-.      +6(4) °C       │  _ /"".-.     +4(1) °C       │      .--.     +3(0) °C       │
│   ― (   ) ―   ↓ 5-8 km/h     │   ― (   ) ―   ↓ 12-15 km/h   │    \_(   ).   ↓ 11-17 km/h   │   .-(    ).   ↓ 9-15 km/h    │
│      `-’      10 km          │      `-’      10 km          │    /(___(__)  10 km          │  (___.__)__)  10 km          │
│     /   \     0.0 mm | 0%    │     /   \     0.0 mm | 0%    │               0.0 mm | 0%    │               0.0 mm | 0%    │
└──────────────────────────────┴──────────────────────────────┴──────────────────────────────┴──────────────────────────────┘
                                                       ┌─────────────┐                                                       
┌──────────────────────────────┬───────────────────────┤  Sun 05 Mar ├───────────────────────┬──────────────────────────────┐
│            Morning           │             Noon      └──────┬──────┘     Evening           │             Night            │
├──────────────────────────────┼──────────────────────────────┼──────────────────────────────┼──────────────────────────────┤
│               Overcast       │               Overcast       │               Overcast       │               Cloudy         │
│      .--.     +2(0) °C       │      .--.     +3(2) °C       │      .--.     +4(1) °C       │      .--.     +1(0) °C       │
│   .-(    ).   ↓ 5-8 km/h     │   .-(    ).   ↘ 5-7 km/h     │   .-(    ).   → 8-12 km/h   │   .-(    ).   → 4-7 km/h    │
│  (___.__)__)  10 km          │  (___.__)__)  10 km          │  (___.__)__)  10 km          │  (___.__)__)  10 km          │
│               0.0 mm | 0%    │               0.0 mm | 0%    │               0.0 mm | 0%    │               0.0 mm | 0%    │
└──────────────────────────────┴──────────────────────────────┴──────────────────────────────┴──────────────────────────────┘
Location: Zweibrücken, Rheinland-Pfalz, 66482, Deutschland [49.248655,7.3641981]

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Links

• https://www.ostechnix.com/a-list-of-useful-console-services-for-linux-users/?fbclid=IwAR3m94pZ5MAApsozvsYRP8utXROhb0tdFpLWqJuzLjdlUO8XlWxqAHOYkCQ