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scallacs/bash-cheatsheet.md

Last active April 22, 2018 18:15
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Bash cheatsheet
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bash-cheatsheet.md

File editing

print only a specific line number

sed -n 5p file

To delete

sed -n 5d file

Search

  • Find word 'mydata' inside multiple files recursively grep 'mydata' myfolder -R

  • Find filename

find -name "query"

View all open ports

sudo lsof -i
sudo netstat -lptu
sudo netstat -tulpn

Flush dns cache

sudo /etc/init.d/nscd restart
service nscd restart
service nscd reload

Disk space

df -h /dev/sdc1
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