mrhjkim

# shortform git commands
alias g='git'

# get a list of all commit messages for a repo
git log --pretty=format:'%s'

# find the nearest parent branch of the current git branch
git show-branch -a | grep '\*' | grep -v `git rev-parse --abbrev-ref HEAD` | head -n1 | sed 's/.*\[\(.*\)\].*/\1/' | sed 's/[\^~].*//'

# push changes to an empty git repository for the first time

mrhjkim

network name space in linux.
create two network name spaces each having ip of 10.0.0.1 and 10.0.0.2 and ping test
configuration
host:s1-eth <-----> ns1:h1-eth
host:s2-eth <-----> ns2:h2-eth

1. create network name space
ip netns add ns1
ip netns add ns2