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Linux-Bash-Commands
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Update README.md

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@ -3684,26 +3684,33 @@ wget -O|--output-document foo.txt https://example.com/file.txt # Output to a fil
## Network Troubleshooting ## Network Troubleshooting
```bash ```bash
ping example.com # Send multiple ping requests using the ICMP protocol ifconfig # Display all network card and interface information
ping -c 10 -i 5 example.com # Make 10 attempts, 5 seconds apart ifconfig -a # Display information of all network cards (including those that are not started at boot)
ifconfig eth0 # Display specific device information
ifconfig eth0 up # Turn on the network card
ifconfig eth0 down # Turn off the network card
ifconfig eth0 192.168.120.56 # Configure IP address for network card
ip addr # List IP addresses on the system curl ifconfig.me # Obtain external IP address
ip route show # Show IP addresses to router
curl ifconfig.me # Obtain external IP address ping example.com # Send multiple ping requests using the ICMP protocol
ping -c 10 -i 5 example.com # Make 10 attempts, 5 seconds apart
netstat -i|--interfaces # List all network interfaces and in/out usage ip addr # List IP addresses on the system
netstat -l|--listening # List all open ports ip route show # Show IP addresses to router
netstat -i|--interfaces # List all network interfaces and in/out usage
netstat -l|--listening # List all open ports
traceroute example.com # List all servers the network traffic goes through traceroute example.com # List all servers the network traffic goes through
mtr -w|--report-wide example.com # Continually list all servers the network traffic goes through mtr -w|--report-wide example.com # Continually list all servers the network traffic goes through
mtr -r|--report -w|--report-wide -c|--report-cycles 100 example.com # Output a report that lists network traffic 100 times mtr -r|--report -w|--report-wide -c|--report-cycles 100 example.com # Output a report that lists network traffic 100 times
nmap 0.0.0.0 # Scan for the 1000 most common open ports on localhost nmap 0.0.0.0 # Scan for the 1000 most common open ports on localhost
nmap 0.0.0.0 -p1-65535 # Scan for open ports on localhost between 1 and 65535 nmap 0.0.0.0 -p1-65535 # Scan for open ports on localhost between 1 and 65535
nmap 192.168.4.3 # Scan for the 1000 most common open ports on a remote IP address nmap 192.168.4.3 # Scan for the 1000 most common open ports on a remote IP address
nmap -sP 192.168.1.1/24 # Discover all machines on the network by ping'ing them nmap -sP 192.168.1.1/24 # Discover all machines on the network by ping'ing them
``` ```
[⬆ ʀᴇᴛᴜʀɴ ᴛᴏ ᴄᴏɴᴛᴇɴᴛꜱ](#contents) [⬆ ʀᴇᴛᴜʀɴ ᴛᴏ ᴄᴏɴᴛᴇɴᴛꜱ](#contents)
@ -4002,7 +4009,7 @@ Inspired by <a href="https://github.com/RehanSaeed/Bash-Cheat-Sheet">RehanSaeed/
</tr> </tr>
<tr> <tr>
<td class="tg-yw4l">└─></td> <td class="tg-yw4l">└─></td>
<td class="tg-yw4l">Option flag for a command or filter. Prefix for an operator.</td> <td class="tg-yw4l">Option flag for a command or filter.</td>
</tr> </tr>
<tr> <tr>
<td class="tg-yw4l">└─></td> <td class="tg-yw4l">└─></td>
@ -4300,7 +4307,7 @@ _**Browser**_:
# #
#### Offline usage [Install](https://github.com/chubin/cheat.sh#installation) cheat script manually<br> ### Offline usage [Install](https://github.com/chubin/cheat.sh#installation) cheat script manually<br>
_**Install globally(all users)**_: _**Install globally(all users)**_:
```bash ```bash
curl -s https://cht.sh/:cht.sh | sudo tee /usr/local/bin/cht.sh && sudo chmod +x /usr/local/bin/cht.sh curl -s https://cht.sh/:cht.sh | sudo tee /usr/local/bin/cht.sh && sudo chmod +x /usr/local/bin/cht.sh