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Linux系統centos7安裝Python3和Postman

Python3的安裝:
1.開啟WEB瀏覽器訪問 https://www.python.org/downloads/source/
2.選擇適用於 Unix/Linux 的原始碼壓縮包。
3.下載及解壓壓縮包 Python-3.x.x.tgz,3.x.x 為你下載的對應版本號。
4.確保已經安裝以下依賴:
yum install gcc-c++
yum install pcre pcre-devel
yum install zlib zlib-devel
yum install openssl openssl–devel
yum -y install zlib*
關於在centos下安裝python3.7.0以上版本時報錯ModuleNotFoundError: No module named ‘_ctypes’的解決辦法:
yum install libffi-devel -y
5.以 Python3.6.1 版本為例:
tar -zxvf Python-3.6.1.tgz
cd Python-3.6.1
./configure 或者 ./configure –prefix=/usr/local/python3
make && make install
6.建立軟連結:ln -s /usr/local/python3/bin/python3 /usr/bin/python3
7.安裝成功後,輸入python3命令檢視版本號
8.使用以下方法重新安裝pip外掛:
下載get-pip.py指令碼:wget

https://bootstrap.pypa.io/3.2/get-pip.py
執行指令碼:python3 get-pip.py

Postman的安裝:
1. 到官網下載:https://www.getpostman.com/apps,下載Linux版本64bit
2. 解壓安裝包到/usr/local/postman目錄:tar zxvf postman.tar.gz -C /usr/local/postman
3. 建立軟連結
sudo ln -s /usr/local/postman/Postman/Postman /usr/bin/postman
4. 建立postman應用程式啟動器:
touch /usr/share/applications/postman.desktop
vim /usr/share/applications/postman.desktop
在/usr/share/applications/postman.desktop檔案中新增如下內容:
[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=/usr/bin/postman
Terminal=false
Type=Application
Icon=/usr/local/postman/Postman/app/resources/app/assets/icon.png
StartupNotify=true
Categories=Development;
5. 若Postman不能執行,可以進入解壓目錄/usr/local/postman,執行./Postman/Postman
若出現 error while loading shared libraries: libXss.so.1: cannot open shared object file: No such file or directory的錯誤
則執行命令:yum install libXScrnSaver