Ubuntu で sudo apt install を実行した時 に404エラーが出た話

目的

• コマンド$ sudo apt installを実行した時に出た404エラーの解決方法をまとめる。

エラー内容

$ sudo apt install linuxbrew-wrapper
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  libllvm7
Use 'sudo apt autoremove' to remove it.
The following additional packages will be installed:
  build-essential dpkg-dev fakeroot g++ g++-7 gcc gcc-7 git git-man
  libalgorithm-diff-perl libalgorithm-diff-xs-perl libalgorithm-merge-perl
  libasan4 libatomic1 libc-dev-bin libc6-dev libcilkrts5 liberror-perl
  libfakeroot libgcc-7-dev libitm1 liblsan0 libmpx2 libpython-stdlib
  libquadmath0 libstdc++-7-dev libtsan0 libubsan0 linux-libc-dev make
  manpages-dev python python-minimal python-pkg-resources python-setuptools
  python2.7 python2.7-minimal
・
・
・
Err:1 http://security.ubuntu.com/ubuntu bionic-updates/main amd64 python2.7-minimal amd64 2.7.15-4ubuntu4~18.04.1
  404  Not Found [IP: 160.26.2.187 80]
Err:3 http://security.ubuntu.com/ubuntu bionic-updates/main amd64 python2.7 amd64 2.7.15-4ubuntu4~18.04.1
  404  Not Found [IP: 160.26.2.187 80]
Err:7 http://security.ubuntu.com/ubuntu bionic-updates/main amd64 linux-libc-dev amd64 4.15.0-64.73
  404  Not Found [IP: 160.26.2.187 80]
・
・
・
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/python2.7/python2.7-minimal_2.7.15-4ubuntu4~18.04.1_amd64.deb  404  Not Found [IP: 160.26.2.187 80]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/python2.7/python2.7_2.7.15-4ubuntu4~18.04.1_amd64.deb  404  Not Found [IP: 160.26.2.187 80]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/l/linux/linux-libc-dev_4.15.0-64.73_amd64.deb  404  Not Found [IP: 160.26.2.187 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

解決方法

• 下記コマンドを実行した

$ sudo apt-get update

• linuxbrewをインストールする際は下記も実行

$ echo 'export PATH="/home/linuxbrew/.linuxbrew/bin:$PATH"' >>  ~/.bashrc
$ source ~/.bashrc