Cheatsheet: Difference between revisions

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=== Misc ===

*CURL

* CURL

curl -I http://domain.com Get HTTP header information

curl -i http://domain.com Get HTTP header + Body information

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curl https://www.booleanworld.com/ -sSo /dev/null -w 'namelookup:\t%{time_namelookup}\nconnect:\t%{time_connect}\nappconnect:\t%{time_appconnect}\npretransfer:\t%{time_pretransfer}\nredirect:\t%{time_redirect}\nstarttransfer:\t%{time_starttransfer}\ntotal:\t\t%{time_total}\n'

* MTR

*mtr

Provides the functionality of both the ping and traceroute commands.

Prints information about the entire route.

mtr google.com

*traceroute

mtr -g google.com Display Numeric IP addresses

mtr -b google.com Both hostnames and numeric IP addresses

mtr --tcp google.com Use TCP SYN packets

mtr --udp google.com UDP datagrams

* Traceroute

traceroute 4.2.2.2 ==> Uses UDP

traceroute -n 4.2.2.2 ==> Do not resolve hostnames

sudo traceroute -nI 4.2.2.2 ==> Use ICMP Packets

sudo traceroute -nT 4.2.2.2 ==> Use TCP Syn (Port 80)

*Netstat

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netstat -ant

*PS

* PS

ps -aux Display all processes in BSD format

ps -eo pid,ppid,user,cmd

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ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%cpu | head

⚫

* LS

⚫

*LS

Append a character to each file name indicating the file type:

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*Find Sym Links:

* Find Sym Links:

find . -type l -ls

ls -la | grep "\->"