kali linux 版本信息
root@kali:~# lsb_release -a
No LSB modules are available.
Distributor ID: Kali
Description: Kali GNU/Linux Rolling
Release: kali-rolling
Codename: kali-rolling
root@kali:~#
kali linux 更新源
root@kali:~# cat /etc/apt/sources.list
#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
#浙大
deb http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free
deb-src http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free
root@kali:~#
没有数字签名
root@kali:~# vim /etc/apt/sources.list
root@kali:~# apt-get update
获取:1 http://mirrors.ustc.edu.cn/kali kali-rolling InRelease [30.5 kB]
错误:1 http://mirrors.ustc.edu.cn/kali kali-rolling InRelease
下列签名无效: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository <devel@kali.org>
正在读取软件包列表... 完成
W: GPG 错误:http://mirrors.ustc.edu.cn/kali kali-rolling InRelease: 下列签名无效: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository <devel@kali.org>
E: 仓库 “http://mirrors.ustc.edu.cn/kali kali-rolling InRelease” 没有数字签名。
N: 无法安全地用该源进行更新,所以默认禁用该源。
N: 参见 apt-secure(8) 手册以了解仓库创建和用户配置方面的细节。
root@kali:~# wget -q -O - https://archive.kali.org/archive-key.asc | apt-key add
OK
root@kali:~#
更新软件,升级系统
# apt-get update
# apt-get upgrade
# apt-get dist-upgrade
清理系统,删除下载的软件包
root@kali:~# du -sh /var/cache/apt/archives/
2.0G /var/cache/apt/archives/
root@kali:~# apt-get clean
root@kali:~# du -sh /var/cache/apt/archives/
140K /var/cache/apt/archives/
root@kali:~#
# apt-get autoremove
参考
1.Kali2.0可用国内源更新sources.list提高软件下载安装速度
2.apt-get下载的文件放在哪个目录
3.安装Kali里的应用程序或软件包
4.Kali-Linux的更新及清理