linux.md

Use parted to partion a disk(in script)

# install parted of course
yum -y install parted

# initialize disk(have to run this and only need run once on a disk)
parted /dev/vdc --script -- mklabel msdos

# part all size as a swap partion
parted /dev/vdc --script -- mkpartfs primary linux-swap 0 -1

# mkswap(format)
mkswap /dev/vdc1

# initialize(`vdb` this time)
parted /dev/vdb --script -- mklabel msdos

# first partion 30G, second partion all left
parted /dev/vdb --script -- mkpart primary 0 30G
parted /dev/vdb --script -- mkpart primary 30G 100%

# mkfs(format)
mkfs.ext3 /dev/vdb1
mkfs.ext4 /dev/vdb2

Bash Completion

cp contrib/completion/git-completion.bash /etc/bash_completion.d/
. /etc/bash_completion

Generate ssl key for nginx or apache

openssl genrsa -out privkey.pem 2048
openssl req -new -x509 -key privkey.pem -out cacert.pem -days 1095