Ubuntu\u00a0\u5c06Python\u4ece\u9ed8\u8ba4\u76842.7\u5347\u7ea7\u52303.* \u7248\u672c\uff08\u5efa\u8bae\u4f7f\u7528\u539f\u7cfb\u7edfPython\u7248\u672c\u8fdb\u884cPython\u5f00\u53d1\uff09<\/p>\n
\u56e0\u4e3aUbuntu\u5f88\u591a\u5e95\u5c42\u91c7\u7528\u7684\u662fPython2.*\uff0cPython3\u548cPython2\u662f\u4e92\u76f8\u4e0d\u517c\u5bb9\u7684\uff0c\u6240\u4ee5\u6b64\u65f6\u4e0d\u80fd\u5378\u8f7dPython2\uff0c\u9700\u8981\u5c06\u9ed8\u8ba4Python\u7684\u6307\u5411Python3\u3002<\/p>\n
\u5148\u5237\u65b0\u6e90 sudo apt-get update<\/p>\n
\u7136\u540e\u66f4\u65b0\u7cfb\u7edf sudo apt-get dist-upgrade\u5c31\u884c\u4e86<\/p>\n
\u5728ubuntu \u7684\u7ec8\u7aef\u4e2d\u7528\u4ee3\u7801\u4e0b\u8f7d\u6700\u65b0\u7684Python<\/p>\n
sudo apt-get install python3<\/p>\n
\u521a\u624d\u4e0b\u8f7d\u7684Python\u7a0b\u5e8f\u88ab\u5b89\u88c5\u5728usr\/local\/lib\/python3.5 \u4e2d<\/p>\n
cd \/usr\/local\/lib<\/p>\n
ls -l<\/p>\n
pwd<\/p>\n
root@linuxidc.com:~# cd \/usr\/local\/lib
\nroot@linuxidc.com:\/usr\/local\/lib# ls -l
\n\u603b\u7528\u91cf 8
\ndrwxrwsr-x 4 root staff 4096 12\u6708 27 19:55 python2.7
\ndrwxrwsr-x 3 root staff 4096 4\u6708\u00a0 12\u00a0 2017 python3.5
\nroot@linuxidc.com:\/usr\/local\/lib# pwd
\n\/usr\/local\/lib
\nroot@linuxidc.com:\/usr\/local\/lib#<\/p>\n
\u6211\u4eec\u5148\u5907\u4efd sudo cp \/usr\/bin\/python \/usr\/bin\/python_bak<\/p>\n
\u7136\u540e\u7528\u547d\u4ee4\u5220\u9664usr\/bin\/\u76ee\u5f55\u4e0b\u7684\u9ed8\u8ba4python link\u6587\u4ef6<\/p>\n
run24pro@linuxidc.com:\/usr\/local\/lib$ cd \/usr\/local\/lib
\nrun24pro@linuxidc.com:\/usr\/local\/lib$ cd \/usr\/bin\/
\nrun24pro@linuxidc.com:\/usr\/bin$ sudo cp \/usr\/bin\/python \/usr\/bin\/python_bak
\nrun24pro@linuxidc.com:\/usr\/bin$ rm -rf python
\nrm: \u65e0\u6cd5\u5220\u9664’python’: \u6743\u9650\u4e0d\u591f
\nrun24pro@linuxidc.com:\/usr\/bin$ sudo -i
\nroot@linuxidc.com:~# rm -rf python
\nroot@linuxidc.com:~#<\/p>\n
\u7ed9\u7cfb\u7edf\u9ed8\u8ba4python\u7f16\u8bd1\u5668\u5efa\u7acb\u65b0\u7684\u8fde\u63a5<\/p>\n
ln -s \/usr\/bin\/python3.5 \/usr\/bin\/python \u6ce8\uff1a\u5982\u679c\u8981\u6362\u56depython2.7 \u5148\u5220\u9664link\u7136\u540e\u8fd9\u6837 ln -s \/usr\/bin\/python2.7 \/usr\/bin\/python<\/p>\n
run24pro@linuxidc.com:\/usr\/bin$ sudo -i
\nroot@linuxidc.com:~# rm -rf python
\nroot@linuxidc.com:~# cd \/usr\/bin\/
\nroot@linuxidc.com:\/usr\/bin# ln -s \/usr\/bin\/python3.5 \/usr\/bin\/python
\nln: \u65e0\u6cd5\u521b\u5efa\u7b26\u53f7\u94fe\u63a5’\/usr\/bin\/python’: \u6587\u4ef6\u5df2\u5b58\u5728
\nroot@linuxidc.com:\/usr\/bin# ln -s \/usr\/bin\/python3.5 \/usr\/bin\/python
\nln: \u65e0\u6cd5\u521b\u5efa\u7b26\u53f7\u94fe\u63a5’\/usr\/bin\/python’: \u6587\u4ef6\u5df2\u5b58\u5728
\nroot@linuxidc.com:\/usr\/bin# python
\nPython 2.7.13 (default, Nov 23 2017, 15:37:09)
\n[GCC 6.3.0 20170406] on linux2
\nType “help”, “copyright”, “credits” or “license” for more information.
\n>>> quit()
\nroot@linuxidc.com:\/usr\/bin# rm -rf python
\nroot@linuxidc.com:\/usr\/bin# ln -s \/usr\/bin\/python3.5 \/usr\/bin\/python
\nroot@linuxidc.com:\/usr\/bin# python
\nPython 3.5.3 (default, Nov 23 2017, 11:34:05)
\n[GCC 6.3.0 20170406] on linux
\nType “help”, “copyright”, “credits” or “license” for more information.<\/p>\n
\u8f93\u5165 python<\/p>\n
root@linuxidc.com:\/usr\/bin# python
\nPython 3.5.3 (default, Nov 23 2017, 11:34:05)
\n[GCC 6.3.0 20170406] on linux
\nType “help”, “copyright”, “credits” or “license” for more information.
\n>>><\/p>\n
\u6210\u529f\uff01<\/p>\n
\u5982\u679c\u9047\u5230\u5176\u5b83\u95ee\u9898\uff0c\u9700\u8981\u4fee\u590d\u7684\u8bdd\uff0c\u91cd\u65b0\u4e0b\u8f7d\u4e00\u4e0b\u5c31\u597d\u3002<\/p>\n
sudo apt-get install –reinstall python-minimal
\nsudo apt-get install –reinstall python2.7<\/p>\n
\u6ce8\uff1a<\/p>\n
\u5982\u679c\u7528\u7684\u662fpython3.5\uff0c\u4f46\u5982\u679c\u4fee\u590d\u540e\uff0c\u4e4b\u524d\u4e0b\u7684pip,django,\u8fd8\u6709\u5176\u5b83\u90fd\u662f\u5728python3\u5bf9\u5e94\u7684\u60c5\u51b5\u4e0b\u4e0b\u7684\uff0c\u4f1a\u51fa\u4e00\u4e9b\u95ee\u9898\u3002\u56e0\u4e3a\u4e0d\u517c\u5bb9\u3002<\/p>\n
\u8fd9\u6837\u7684\u8bdd\uff0c\u5efa\u8bae\u8fd8\u662f\u91cd\u88c5\u7cfb\u7edf\uff0c\u7136\u540e\u4f7f\u7528python2.7\uff0c\u4e0d\u8981\u5347\u7ea7\uff0c\u4ee5\u540e\u5c31\u5b89\u88c5\u76f8\u5bf9\u5e94\u7684\u7248\u672c\u8f6f\u4ef6\u3002\u8fd9\u6837\u5c31\u4e0d\u4f1a\u51fa\u73b0\u4e0d\u517c\u5bb9\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"