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本文介绍在FreeBSD 12上安装pip Python包管理器、升级pip的方法，系统是运行在Linux虚拟机VirtualBox里的，可参考在Ubuntu 18.04/Debian 9上安装VirtualBox 6.0的方法。
FreeBSD 12上安装pip Python包管理器 目前有两种方法可以在FreeBSD系统上安装pip，我的笔记本电脑上安装了FreeBSD 12系统： # freebsd-version 12.0-RELEASE FreeBSD 12自带有Python2.7和Python3.6： # python python2.7 python2.7-config python3.6 python3.6-config python3.6m python3.6m-config 我使用的默认版本是Python3.6，请注意，FreeBSD 12系统上没有python命令： # which python python: Command not found 你可以创建Python3.6二进制文件到/usr/local/bin/python的符号链接： # ln -s /usr/local/bin/python3.6 /usr/local/bin/python # python --version Python 3.6.6 从py36-pip包安装Pip： # pkg install py36-pip Updating FreeBSD repository catalogue... FreeBSD repository is up to date. All repositories are up to date. The following 2 package(s) will be affected (of 0 checked): New packages to be INSTALLED: py36-pip: 9.0.3 py36-setuptools: 40.0.0 Number of packages to be installed: 2 The process will require 21 MiB more space. 6 MiB to be downloaded. Proceed with this action? [y/N]: y [1/2] Fetching py36-pip-9.0.3.txz: 100% 6 MiB 308.7kB/s 00:20 [2/2] Fetching py36-setuptools-40.0.0.txz: 100% 487 KiB 124.6kB/s 00:04 Checking integrity... done (0 conflicting) [1/2] Installing py36-setuptools-40.0.0... [1/2] Extracting py36-setuptools-40.0.0: 100% [2/2] Installing py36-pip-9.0.3... [2/2] Extracting py36-pip-9.0.3: 100% Message from py36-setuptools-40.0.0: Only /usr/local/bin/easy_install-3.6 script has been installed since Python 3.6 is not the default Python version. Message from py36-pip-9.0.3: ================ !!!! WARNING !!!! ================ pip MUST ONLY be used: * With the --user flag, OR * To install or manage Python packages in virtual environments Failure to follow this warning can and will result in an inconsistent system-wide Python environment (LOCALBASE/lib/pythonX.Y/site-packages) and cause errors. Avoid using pip as root unless you know what you're doing. ================ !!!! WARNING !!!! ================ 为Pip-3.6包创建一个符号链接： # which pip-3.6 /usr/local/bin/pip-3.6 # ln -s /usr/local/bin/pip-3.6 /usr/local/bin/pip # pip --version pip 9.0.3 from /usr/local/lib/python3.6/site-packages (python 3.6) 升级pip： # pip install --upgrade pip Collecting pip Downloading https://files.pythonhosted.org/packages/c2/d7/90f34cb0d83a6c5631cf71dfe64cc1054598c843a92b400e55675cc2ac37/pip-18.1-py2.py3-none-any.whl (1.3MB) 100% |###########################| 1.3MB 750kB/s Installing collected packages: pip Found existing installation: pip 9.0.3 Uninstalling pip-9.0.3: Successfully uninstalled pip-9.0.3 Successfully installed pip-18.1 测试pip使用情况： $ pip install awscli --user 如果你使用Pip作为普通用户安装Python包，则将二进制文件放在.local/bin/下。 将路径添加到PATH变量： $ vim ~/.bashrc export PATH=$PATH:.local/bin/ 如果要安装Pip for Python 2.7，请运行： # pkg install py27-pip 至此，已全面成功的在FreeBSD 12系统上安装PIP Python包管理器了。
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