1. 遇到的問題，我在用pip安裝三方工具的時候出現錯誤
pip is configured with locations that require TLS/SSL
1 ./configure --prefix=/usr/local/python3 --with-ssl 2 3 make 4 5 make install
需要重新編譯python
創建軟連接
ln -s /usr/local/python3/bin/python3 /usr/bin/python 這樣在根目錄輸入python直接可以進入python環境
ln -s /usr/local/python3/bin/pip3 /usr/local/pip 同上
2. centos8 安裝python3.9
1. 准備編譯環境
yum groupinstall 'development tools'
yum install bzip2-devel expat-devel gdbm-devel ncurses-devel openssl-devel readline-devel sqlite-devel tk-devel xz-devel zlib-devel wget
yum install libffi-devel -y
2. 下載python3.9
wget https://www.python.org/ftp/python/3.9.0/Python-3.9.0.tgz
3. 解壓下載后的文件
tar zxvf Python-3.9.0.tgz
4. 編譯安裝
./configure --prefix=/usr/local/python3.9 make && make altinstall
5. 建立軟連接
ln -s /usr/local/bin/python3.9 /usr/local/bin/python3 ln -s /usr/local/bin/pip3.9 /usr/local/bin/pip3
Centos8 下升級python3.6到3.9
1. 官網下載python3.9源碼文件
wget source_code_url
2. 解壓文件
tar -zxvf Python3.9.x.tgz
3. 安裝必要的包(根據提示，有就不用安裝了)
dnf -y install gcc zlib* libffi-devel
4. 進入解壓目錄，進行編譯和安裝(根據需要自定義目錄)
cd python3.9_folder ./configure --prefix=/usr/local/bin/python3 make&&make install
5. 刪除原先的命令，並建立新的軟連接
rm -rf /usr/bin/python3
ln -s /usr/local/bin/python3/bin/python3 /usr/bin/python3
6. 檢查並驗證
python3 -V