centos7安裝Python2.7

安裝gcc

gcc -v 提示未找到命令則需要安裝gcc
執行以下命令進行gcc安裝：

yum install gcc openssl-devel bzip2-devel

驗證

gcc -v

#輸出爲 
使用內建 specs。
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.8.5/lto-wrapper
目標：x86_64-redhat-linux
配置爲：../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-initfini-array --disable-libgcj --with-isl=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/isl-install --with-cloog=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/cloog-install --enable-gnu-indirect-function --with-tune=generic --with-arch_32=x86-64 --build=x86_64-redhat-linux
線程模型：posix
gcc 版本 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC)

安裝python2.7

#下載python
wget https://www.python.org/ftp/python/2.7.15/Python-2.7.15.tgz
#解壓
tar -zxvf Python-2.7.15.tgz
cd Python-2.7.15
./configure --enable-optimizations
make altinstall

驗證

python -V

#輸出爲
Python 2.7.5

安裝完成！