tsinghua

安装第三方库 出现Solving environment: failed with initial frozen solve. Retrying with flexible solve 添加镜像源： conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2 conda config --set show_channel_urls yes 来源： CSDN 作者： HolleBoy 链接： https://blog.csdn.net/HolleBoy/article/details/104372512

# info # Python # Pip > = 10.0.0 pypi 镜像使用帮助 https://mirrors.tuna.tsinghua.edu.cn/help/pypi/ 临时使用 pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package 镜像升级Pip pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pip -U 设为默认 pip install pip -U pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple 来源： https://www.cnblogs.com/abua/p/12292035.html

Raspberry pi4 run cartographer_ros Install ubuntu18.04 use Updater.sh update hosts ubuntu update sources install remote desktop install ros i want use ros devloper robot for my daugher,hardware choose Raspberry pi 4B,Arduino mepg2560 etc. first in windows vm ware install ubuntu18.04 to develop,master i use raspberry buster os+ros build,but when i use cartograpber_ros ,raspberry buster cann’t support,so i search internent,the result’s cartographer_ros must build in ubuntu os, but ubuntu official doesn’t support raspberry pi 4b ,So in here to record that i used raspberry pi 4b to develop robot.

1、添加清华大学软件源： 将以下内容写入 /etc/yum.repos.d/CentOS-Base.repo 选择你的 CentOS 版本: CentOS 5 CentOS 6 CentOS 7 # CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$releasever - Base baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/

在线 在树莓派网络配置好的情况下 如何确定网络是配置好的，可以看在桌面的wifi图标有没有显示连接上了，如果连接上了会显示在网络中的ip地址 ping www.baidu.com ping dns_ip 需提前配置好镜像源， 树莓派软件源配置 树莓派基金会单独（非Raspbian开发者）提供/维护的软件源，主要包括raspi-config、minecraftpi、树莓派桌面环境、内核固件驱动等少量软件。 这个软件源相关资料比较少，国内目前只 有清华（201709开始提供）和中科大有提供 #### Stretch（选择清华的源就行） deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui deb-src url # 如上相同 # 'deb-src'默认将软件源码一并下载至树莓派 # 'deb-src'不加也可以 #### Jessie deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ jessie main ui 配置/etc/apt/sources.list里的软件源 raspbian这个源是由独立开发者维护的，与树莓派基金会并无直接联系。国内源比较多，选择一个与自己延迟最小或连接速度最好或物理距离最短的即可。 #Stretch deb

【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> https://mirrors.tuna.tsinghua.edu.cn/ TUNA Team, Tsinghua University http://mirrors.tuna.tsinghua.edu.cn/ TUNA Team, Tsinghua University https://mirrors.ustc. edu .cn/ University of Science and Technology of China http://mirrors.ustc.edu.cn/ University of Science and Technology of China https://mirrors.eliteu.cn/ Elite Education https://mirror.lzu.edu.cn/ Lanzhou University Open Source Society http://mirror.lzu.edu.cn/ Lanzhou University Open Source Society https://mirrors.tongji.edu.cn/ 来源： oschina 链接： https://my.oschina.net/u/1263162/blog/1609776

命令 pip --default-timeout=100 install --upgrade --force-reinstall -i https://pypi.tuna.tsinghua.edu.cn/simple tensorflow 结果 Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple Collecting tensorflow Downloading https://pypi.tuna.tsinghua.edu.cn/packages/d3/af/296748d4c8d8987423231b93aecce5ab5952f6f2243cb6cedb88dd425397/tensorflow-2.0.0-cp36-cp36m-win_amd64.whl (48.1MB) 100% |████████████████████████████████| 48.1MB 478kB/s Collecting tensorboard<2.1.0,>=2.0.0 (from tensorflow) Downloading https://pypi.tuna.tsinghua.edu.cn/packages/76/54

在线 在树莓派网络配置好的情况下 如何确定网络是配置好的，可以看在桌面的wifi图标有没有显示连接上了，如果连接上了会显示在网络中的ip地址 ping www.baidu.com ping dns_ip 需提前配置好镜像源， 树莓派软件源配置 树莓派基金会单独（非Raspbian开发者）提供/维护的软件源，主要包括raspi-config、minecraftpi、树莓派桌面环境、内核固件驱动等少量软件。 这个软件源相关资料比较少，国内目前只 有清华（201709开始提供）和中科大有提供 #### Stretch（选择清华的源就行） deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui deb-src url # 如上相同 # 'deb-src'默认将软件源码一并下载至树莓派 # 'deb-src'不加也可以 #### Jessie deb https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/ jessie main ui 配置/etc/apt/sources.list里的软件源 raspbian这个源是由独立开发者维护的，与树莓派基金会并无直接联系。国内源比较多，选择一个与自己延迟最小或连接速度最好或物理距离最短的即可。 #Stretch deb

two install failure because of bad install package, may be because the package in the tsinghua mirror is updating, anyway I should see the package more clearly and persist to download them from tsinghua mirror. the pipeline of installation of Anaconda3 of linux version from tsinghua mirror 1. download the package named Anaconda3-2019.10-Linux-x86_64.sh in the tsinghua mirror 2. copy the package in the host machine to the virtual machine 3. bash ~/Anaconda3-2019.10-Linux-x86_64.sh 4. Enter (begin) 5. Enter yes (accept terms. It will let you reinput if you directly Enter) 6. Enter (accept

清华大学下载镜像源 https://pypi.tuna.tsinghua.edu.cn/simple 可以在使用pip的时候加参数-i https://pypi.tuna.tsinghua.edu.cn/simple ，这样就会从清华这边的镜像去安装gevent库。 　　例如：pip install -i https://pypi.tuna.tsinghua.edu.cn/simple gevent 或者直接加在后面 　　例如：pip3 install matplotlib https://pypi.tuna.tsinghua.edu.cn/simple 来源： https://www.cnblogs.com/mujun95/p/11870008.html