今天在Red Hat上安装软件时,发现需要依赖软件,然而在用sudo yum指令时,出现了下面的错误: This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. 出现这个问题的原因是:redhat未注册,连接redhat官方软件源时,对未注册的用户不提供下载软件包的权限. 解决办法:因为centOS和redhat “本自同根生”,因…
ubuntu 更新软件源 修改文件sources.list 位于/etc/apt/sources.list,并备份原文件为sources.list.bak deb http://mirrors.163.com/ubuntu/ precise main restricted deb-src http://mirrors.163.com/ubuntu/ precise main restricted deb http://mirrors.163.com/ubuntu/ precise-updates…
1. 更新软件源打开sources.list文件,进行添加更新源:leafpad /etc/apt/sources.list 2. 添加软件源#官方源 deb http://http.kali.org/kali kali main non-free contrib deb-src http://http.kali.org/kali kali main non-free contrib deb http://security.kali.org/kali-security kali/updates…