python 安装: WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
系统CENTOS6.10,安装Python3时遇到了如下问题,在CENTOS7系统上安装时未遇到上述问题。
WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
感谢狐狸已妖化提供的解决方案
##解决方案如下
1、原因
系统版本centos6.10,其中openssl的版本为OpenSSL 1.0.1e-fips 11 Feb 2013,而python3.7需要的openssl的版本为1.0.2或者1.1.x,需要对openssl进行升级,并重新编译python3.7.0。yum 安装的openssl 版本都比较低。
2、升级openssl
2.1下载openssl
wget https://www.openssl.org/source/openssl-1.1.1a.tar.gz tar -zxvf openssl-1.1.1a.tar.gz cd openssl-1.1.1a
2.2 编译安装
./config –prefix=/usr/local/openssl no-zlib #不需要zlib make make install
2.3 备份原配置
mv /usr/bin/openssl /usr/bin/openssl.bak mv /usr/include/openssl/ /usr/include/openssl.bak
2.4 新版配置
ln -s /usr/local/openssl/include/openssl /usr/include/openssl ln -s /usr/local/openssl/lib/libssl.so.1.1 /usr/local/lib64/libssl.so ln -s /usr/local/openssl/bin/openssl /usr/bin/openssl
2.5 修改系统配置
## 写入openssl库文件的搜索路径 echo "/usr/local/openssl/lib" >> /etc/ld.so.conf ## 使修改后的/etc/ld.so.conf生效 ldconfig -v
6.查看openssl版本
openssl version
openssl version 提示:
/usr/local/openssl/bin/openssl: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory
假如你的libssl.so.1.1 文件在/usr/local/openssl/lib/下面,可以这样做
ln -s /usr/local/openssl/lib/libssl.so.1.1 /usr/lib64/libssl.so.1.1
ln -s /usr/local/openssl/lib/libcrypto.so.1.1 /usr/lib64/libcrypto.so.1.1
然后重新安装Python3
./configure –prefix=/usr/local/python3 –with-openssl=/usr/local/openssl make make install
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