yum -y install python-devel的时候报错如图: Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=6&arch=i386&repo=extras&infra=stock error was12: Timeout on http://mirrorlist.centos.org/?release=6&arch=i386&repo=extras&infra
[root@localhost ~ ]# yum -y install ntp已加载插件:fastestmirror, langpacksRepodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast/var/run/yum.pid 已被锁定,PID 为 4054 的另一个程序正在运行.Another app is currently holding the yum lock; waiting for it t
CocoaPods pod install的时候报错:invalid byte sequence in UTF-8 (ArgumentError)解决办法: 基本可以确定是Podfile中的内容编码有问题,可以尝试用Xcode打开podfile ,然后再安装,如果还不行的话,直接找一个可用的podfile文件,用xcode打开后修改合格即可.
pip install cv2 安装报错是一个常见现象: ERROR: Could not find a version that satisfies the requirement cv2 (from versions: none) ERROR: No matching distribution found for cv2 解决方案一: 将CV2更改为opencv-python pip install opencv-python 刚方法解决不了则需使用国内的镜像源来加速,克服有时候网络不稳定时
问题描述: 在有几台电脑上pip install paramike报错 报错内容: Could not find a version that satisfies the requirement sqlmap(from versions:)No matching distribution found for sqlmap Could not fetch URL https://pypi.python.org/simple/pip/: There was a problem confirming