CentOS7 安装Python3.6.4

yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel

mkdir /usr/download

wget https://www.python.org/ftp/python/3.6.4/Python-3.6.4.tgz

tar -xvf Python-3.6.4.tgz

mkdir /usr/local/python3

./configure --prefix=/usr/local/python3

make
make install

mv /usr/bin/python /usr/bin/python_bak

ln -s /usr/local/python3/bin/python3 /usr/bin/python

python -V

vim ~/.bash_profile

# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

# User specific environment and startup programs

PATH=$PATH:$HOME/bin:/usr/local/python3/bin

export PATH

source ~/.bash_profile