/usr/目录 usr是user的缩写,是曾经的HOME目录,然而现在已经被/home取代了,现在usr被称为是Unix System Resource,即Unix系统资源的缩写。...目录 描述 /usr/X11R6 存放X-Windows的目录; /usr/games 存放着XteamLinux自带的小游戏; /usr/doc Linux技术文档; /usr/include 用来存放...Linux下开发和编译应用程序所需要的头文件; /usr/lib 存放一些常用的动态链接共享库和静态档案库; /usr/man 帮助文档所在的目录; /usr/src Linux开放的源代码,就存在这个目录.../usr/lib/ /usr/bin/和/usr/sbin/中二进制文件的库。 /usr/sbin/ 非必要的系统二进制文件,例如:大量网络服务的守护进程。.../usr/share/ 体系结构无关(共享)数据。 /usr/src/ 源代码,例如:内核源代码及其头文件。 /usr/X11R6/ X Window系统版本 11, Release 6.
linux小白到大神的成长之路:了解linux系统目录,sys,tmp,usr,var! 这篇文章将继续为大家讲诉linux的目录,为后续的学习做铺垫。 ?...第三步,usr是系统使用者所常用的目录,里面存放着一些软件及文件。...我们可以看到,在usr目录里面也存在着bin文件,而在系统总目录里面,也存在一个bin目录,我们可以分别打开,便会发现之间还是存在很大差别的。 ?...以上就是本次介绍的关于linux系统目录sys,tmp,usr,var!的全部知识点,感谢大家的阅读和对ZaLou.Cn的支持。
/usr/目录 usr是user的缩写,是曾经的HOME目录,然而现在已经被/home取代了,现在usr被称为是Unix System Resource,即Unix系统资源的缩写。.../usr/man 帮助文档所在的目录; /usr/.../usr/lib/ /usr/bin/和/usr/sbin/中二进制文件的库。.../usr/local/ 本地数据的第三层次,具体到本台主机。...原文链接:https://rumenz.com/rumenbiji/linux-usr-var.html
Linux 的软件安装目录是也是有讲究的,理解这一点,在对系统管理是有益的 /usr:系统级的目录,可以理解为C:/Windows/,/usr/lib理解为C:/Windows/System32。.../usr/src:系统级的源码目录。 /usr/local/src:用户级的源码目录。 /opt Here’s where optional stuff is put....It has the same structure as /usr....It is a good idea to leave /usr to your package manager and put any custom scripts and things into /usr...它和/usr目录具有相类似的目录结构。让软件包管理器来管理/usr目录,而把自定义的脚本(scripts)放到/usr/local目录下面,我想这应该是个不错的主意。
报错: which: no java in (/root/chengxu/maven/apache-maven-3.5.2/bin:/usr/local/sbin:/usr/local/bin:/usr.../sbin:/usr/bin:/root/chengxu/JDK/jdk1.8.0_191/bin:/root/chengxu/JDK/jdk1.8.0_191/jre/bin:/root/bin) could
usr/bin/env python #_*_ coding:utf-8 _*_ """ title:python 实现协同过滤算法基于用户与基于内容 """ import numpy as np import
nested exception is java.sql.SQLIntegrityConstraintViolationException: ORA-00001: unique constraint (USR_JXZX_DSJKF_MODEL.SYS_C00912833
文章目录 一、security 目录 二、sound 目录 三、tools 目录 四、usr 目录 五、virt 目录 一、security 目录 ---- security 目录中存储了 Linux...相关代码 ; 二、sound 目录 ---- sound 目录中存储了 声卡驱动 相关代码 ; 三、tools 目录 ---- tools 目录中存储了 与 Linux 内核交互 相关代码 ; 四、usr...目录 ---- usr 目录中存储了 用户打包 和 内核压缩 相关代码 ; 五、virt 目录 ---- virt 目录中存储了 kvm 虚拟化目录相关实现 相关代码 ;
超短距离(USR)接口在2.5D封装技术上的重要性日益提高,已导致各种电气定义和电路实现。...台积电最近介绍了其IP开发团队采用的方法,该方法用于并行总线,时钟转发的USR接口,以优化功率/性能/区域,即“ LIPINCON”。...简介 异构,多芯片2.5D封装技术的最新进展导致了一种新型的接口,即超短距离(USR)接口,其电气特性与传统的印刷电路板走线有很大不同。...然而,到目前为止,这些USR接口所采用的电路和物理实现方法相当多样。...台积电的演讲提到,他们的一些客户已经为USR接口设计开发了自己的IP实现。一个示例显示了一个非常低的摆幅(0.2V)电学定义,它是“以地面为参考”的(例如,信号摆幅高于和低于地面)。
ll -tr /usr/local/bin/python* /usr/local/bin/python2.7 /usr/local/bin/python2.7-config /usr/local/bin...ll -tr /usr/bin/python* /usr/bin/python2.6-config /usr/bin/python2.6 /usr/bin/python /usr/bin/python2...ln -s /usr/local/bin/python /usr/bin/python ln -s /usr/local/bin/python-config /usr/bin/python-config.../usr/bin/python* /usr/bin/python2.6-config /usr/bin/python2.6 /usr/bin/python.old /usr/bin/python2...-> python /usr/bin/python -> /usr/local/bin/python /usr/bin/python-config -> /usr/local/bin/python-config
python: /usr/bin/python2.7 /usr/bin/python3.7m /usr/bin/python2.7-config /usr/bin/python3.7-config.../usr/bin/python3.7 /usr/bin/python3.7m-config /usr/bin/python /usr/lib/python2.7 /usr/lib/python3.7.../usr/include/python2.7 /usr/include/python3.7m / usr/include/python3.7 /usr/share/python /usr.../usr/bin/python3.7m /usr/bin/python3m /usr/bin/python2 /usr/bin/python2-config.../usr/bin/python3.7 /usr/bin/python3.7m-config /usr/bin/python3m-config /usr/bin/python2.7 /
/usr/bin/python /usr/bin/easy_install-2.7:#!/usr/bin/python /usr/bin/firewall-cmd:#!.../usr/bin/python2.7 -Es /usr/bin/firewall-offline-cmd:#!/usr/bin/python2.7 -Es /usr/bin/msghack:#!.../usr/bin/python2.7 /usr/bin/pip:#!/usr/bin/python /usr/bin/pip2:#!/usr/bin/python /usr/bin/pip2.7:#!.../usr/bin/python /usr/bin/pydoc:#!/usr/bin/python2.7 /usr/bin/systemd-sysv-convert:#!.../usr/bin/python2.7 /usr/bin/urlgrabber:#!/usr/bin/python2.7 -t /usr/bin/wheel:#!
python-opencv: /usr/lib/python2.7/dist-packages/cv.py python-pyavm: /usr/lib/python2.7/dist-packages...python-scapy: /usr/share/pyshared/scapy/sendrecv.py python3-kivy: /usr/lib/python3/dist-packages/kivy...: /usr/share/doc/python-opencv/changelog.Debian.gz python-opencv: /usr/share/doc/python-opencv/copyright...python-opencv-apps: /usr/lib/python2.7/dist-packages/opencv_apps/__init__.py python-opencv-apps: /usr...: /usr/lib/python2.7/dist-packages/opencv_apps/msg/_FlowArray.py python-opencv-apps: /usr/lib/python2.7
/configure –prefix=/usr/local/python3.7.1,则可执行文件放在/usr /local/python3.7.1/bin,库文件放在/usr/local/python3.7.1.../python 步骤3:由于python3.7是自己安装的,不在/usr/bin下,而在usr/local/bin或者/usr/local/python3.7.1/bin下(取决于前面执行的..../configure,则: mv /usr/bin/python /usr/bin/python.bak ln -s /usr/local/bin/python3 /usr/bin/python mv.../configure –prefix=/usr/local/python3.7.1,则为: mv /usr/bin/python /usr/bin/python.bak ln -s /usr/local.../python3.7.1/bin/python3.7 /usr/bin/python mv /usr/bin/pip /usr/bin/pip.bak ln -s /usr/local/python3.7.1
|-10002 /usr/bin/python2 /usr/bin/glance-api |-10003 /usr/bin/python2 /usr/bin/glance-api...|-10004 /usr/bin/python2 /usr/bin/glance-api |-10005 /usr/bin/python2 /usr/bin/...|-10013 /usr/bin/python2 /usr/bin/glance-api |-10014 /usr/bin/python2 /usr/bin/glance-api...|-10015 /usr/bin/python2 /usr/bin/glance-api |-10016 /usr/bin/python2 /usr/bin/...|-10024 /usr/bin/python2 /usr/bin/glance-api |-10025 /usr/bin/python2 /usr/bin/glance-api
/usr/bin/python修改为#! /usr/bin/python2 sed -i 's/#!/usr/bin/python/#!.../usr/bin/python2/' /usr/libexec/urlgrabber-ext-down . . 4、把/usr/bin/下的python2替换成python3 mv /usr/bin.../python /usr/bin/pythonold cp /usr/local/python36/bin/python3.6 /usr/bin/python cp /usr/local/python36.../usr/bin/python修改为#! /usr/bin/python2 sed -i 's/#!\/usr\/bin\/python/#!.../python /usr/bin/pythonold cp /usr/local/python36/bin/python3.6 /usr/bin/python cp /usr/local/python36
1 查看Python版本 先查看系统中有那些Python版本: $ ls /usr/bin/python* /usr/bin/python /usr/bin/python2-config.../usr/bin/python3m /usr/bin/python2 /usr/bin/python3 /usr/bin/python-config /usr/bin.../python2.7 /usr/bin/python3.5 /usr/bin/python2.7-config /usr/bin/python3.5m 再查看系统默认的Python版本...软链接: sudo rm /usr/bin/python 然后创建一个新的软链接指向需要的Python版本: sudo ln -s /usr/bin/python3.5 /usr/bin/python...--install /usr/bin/python python /usr/bin/python3.5 2 update-alternatives: 使用 /usr/bin/python3.5 来在自动模式中提供
(Core) python版本 [root@qsh ~]# python -V Python 2.7.5 [root@qsh usr]# ll -l /usr/bin/python* lrwxrwxrwx... /usr/bin/python /usr/bin/python2.7.5 [root@qsh ~]# ll -l /usr/bin/python* lrwxrwxrwx 1 root root .../usr/bin/python 改为 #!/usr/bin/python2.7 改完之后继续安装,又报错....../usr/bin/python 改为 #!/usr/bin/python2.7 第六步:升级 python 后,安装 pip 工具 1..../usr/local/python27/bin/ipython /usr/bin/ipython
usr/local/python3/bin' >> ~/.bashrc 1 echo 'export PATH=#PATH:/usr/local/python3/bin' >> ~/.bashrc...替换python2 12 12rm /usr/bin/pythonln -sv /usr/local/bin/python3.5 /usr/bin/python 12 rm /usr/bin/pythonln... -sv /usr/local/bin/python3.5 /usr/bin/python 12 rm /usr/bin/pythonln -sv /usr/local/bin/python3.5 ...更新yum配置 1 1ll /usr/bin | grep python 1 ll /usr/bin | grep python 1 ll /usr/bin | grep python (这里的/usr.../usr/bin/python改为#!/usr/bin/python2.6,保存退出,完成python3的安装 7.运行python ?
hanli@ubuntu:/usr/bin$ sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 100...update-alternatives: using /usr/bin/python2 to provide /usr/bin/python (python) in auto mode hanli@ubuntu...:/usr/bin$ sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 150 update-alternatives...: using /usr/bin/python3 to provide /usr/bin/python (python) in auto mode 1 2 3 4 3.再次查看已经变成3.5了 hanli.../usr/bin/python).
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