centos安裝python3與python2共存
網上的教程一搜很多,質量參差不齊,好多都是直接轉發的,自己都沒試試(導致一個錯誤的方法傳的到處都是,無力吐槽),這裏我給出一個我自己安裝成功的例子。系統是centos6.8,python是3.6.5。
1、安裝依賴環境
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
2、新建目錄
mkdir -p /usr/local/Python3
3、進入到目錄中
cd /usr/local/Python3
4、下載安裝包解壓
wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
tar -zxvf Python-3.6.5.tgz
5、進入解壓後的目錄編譯安裝
cd Python-3.6.5
./configure --prefix=/usr/local/Python3
make
make install
6、安裝好了,建立軟連接
ln -s /usr/local/Python3/bin/python3 /usr/bin/python3
ln -s /usr/local/Python3/bin/pip3 /usr/bin/pip3
7、測試
python3
pip3 list