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kali经常出现：Unable to locate package。。。这样的错误。
换了一次笔记本后，之前配置过源的事给忘了，这里找不到原因。
后经过学习与询问，是缺少源。
找到cd /etc/opt,找到sources.list 或者
1.更新软件源
sudo vim /etc/apt/sources.list
2.选择比较合适的源(选择一个即可）
#中科大
deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib
#阿里云
deb http://mirrors.aliyun.com/kali kali-rolling main non-free contrib
deb-src http://mirrors.aliyun.com/kali kali-rolling main non-free contrib
#清华大学
deb http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
deb-src https://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free
#163
deb http://mirrors.163.com/debian wheezy main non-free contrib
deb-src http://mirrors.163.com/debian wheezy main non-free contrib
deb http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib
deb-src http://mirrors.163.com/debian wheezy-proposed-updates main non-free contrib
deb-src http://mirrors.163.com/debian-security wheezy/updates main non-free contrib
#东软大学
deb http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
deb-src http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib
#官方源
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib
3.保存后执行命令 apt-get update &apt-get upgrade
apt-get dist-upgrade
#删除以下载的包
apt-get clean
#重新启动
reboot
4.安装中文输入法 apt-get install fcitx fcitx-googlepinyin(安装成功重新启动）
5.修改时区
sudo dpkg-reconfigure tzdata
选择Asia---->;shanghai
原文链接：
2019最新Kali可用国内源更新sources.list
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