環境

Kali GNU/Linux 2022.3

概要

apt installコマンドで E: Unable to locate package となった

┌──(kali㉿kali)-[~]
└─$ sudo apt install man2html -y                                 
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package man2html

結論

/etc/apt/sources.list ファイルを編集する

詳細

┌──(kali㉿kali)-[~]
└─$ sudo vi /etc/apt/sources.list
┌──(kali㉿kali)-[~]
└─$ cat /etc/apt/sources.list
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb http://http.kali.org/kali kali-last-snapshot main non-free contrib
deb http://http.kali.org/kali kali-experimental main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib
# ↑必要なものを適宜追記(何が必要かわからなければ全部記載してしまおう、、、)

┌──(kali㉿kali)-[~]
└─$ sudo apt update && sudo apt -y full-upgrade -y && sudo reboot
# 以下省略

おわりに

以下を見てもよくわからなかった
https://www.kali.org/docs/general-use/kali-linux-sources-list-repositories/
参考
- Fix E: "Unable to Locate Package" Error in Kali Linux • Webmatrices Blog
- Ubuntu 18.04のapt installで”Unable to locate package”のエラーはsources.listを編集して解決できる
- Ubuntu18.04 apt install で E: Unable to locate package ～と言われた | ろっひー