Terminal commands cheat list

Unix command cheats

# 
# ZSH, Mac OS X or Ubuntu
#

# Decode base 64 and convert into hex string
echo 'aGI32ansgxzKWh3RV4EjRwQsW1v1la+7NBTdjx8zYq0=' | base64 -D | hexdump -ve '1/1 %.2x' | pbcopy

# Get dirs sizes in one level and sort them
du --max-depth=1 -h | sort -n 

# Find files contains string
grep -rl "string" path

# Find only *.m files
grep -irl --include=\*.m "string" path

# Rename all files into 1.txt, 2.txt, ...
n=0; for f in *; { n=$((n+1)); mv $f $n.txt }

# Rename files to lowercase
for f in *; do mv "$f" "`echo $f | tr "[:upper:]" "[:lower:]"`"; done

# Sum of last columns
awk '{s+=$NF} END {print s}' /tmp/c.txt

# Create new user with home dir
useradd -m %user%

# Setup password for user
passwd %user%

# Add user to sudo group
usermod -a -G sudo %user%

# Install uswgi
apt-get install python-pip python-dev
apt-get install libpcre3 libpcre3-dev
pip install uwsgi
apt-get install zsh nginx nginx-full nginx-extras uwgsi uwsgi-plugin-python

# Install flask
pip install Flask Flask-SQLAlchemy

# Git

# Show file history
git show --color $(git log --oneline filename | cut -f 1 -d ' ') filename

# Diff file in different branches
git diff branch1:filename branch2:filename

# Reset all local changes
git reset --hard HEAD

# Push tags
git push --follow-tags

# Delete local banches
git branch -D `git branch --list grigory\*`

# Find files contains substring
find . -type f -name \*.ext -exec grep 'subsctring' {} \;