Linux

Useful tcsh and python commands

tcsh

• Find files

with defined stem pattern under multiple different folder

find */*/*anat+tlrc.*

• find files with a suffix recursively under subdirectories

find . -name \*.mgz -print

• delete or copy filenames from a "pattern" search

rm `find */*/*anat+tlrc.*`

• comment multiple lines

:<<LABEL
comment line #1
comment line #2
comment line #3
...
comment line #final
LABEL

• Extract a substring [1]

Translation between bash and tcsh [2]

file system

• Determine file creating and modification times [3]

stat *

Network Connection

• Blocking a port [4]

sudo ufw deny 80

other ufw usage [5]

• Scanning available ports

nmap -PS <IP address>

• Scanning all available IPs in subnet

nmap -sP 192.168.1.0/24

• restart network GUI (allow the top-left icon of network to show up)

sudo service network-manager restart

Install new packages

• pip [6]

sudo apt-get install python-pip python-dev build-essential 
sudo pip install --upgrade pip 
sudo pip install --upgrade virtualenv