root@serv:~# sudo apt-get install lib32gcc1 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed:   gcc-8-base libc6-i386 libgcc1 libstdc++6 The following NEW packages will be installed:   lib32gcc1 libc6-i386 The following packages will be upgraded:   gcc-8-base libgcc1 libstdc++6 3 upgraded, 2 newly installed, 0 to remove and 178 not upgraded. Need to get 3,158 kB of archives. After this operation, 12.6 MB of additional disk space will be used. Do you want to continue? [Y/n] y Ign:1 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 gcc-8-base amd64 8.3.0-6ubuntu1~18.04.1 Ign:2 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 libstdc++6 amd64 8.3.0-6ubuntu1~18.04.1 Ign:3 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 libgcc1 amd64 1:8.3.0-6ubuntu1~18.04.1 Get:4 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 libc6-i386 amd64 2.27-3ubuntu1 [2,651 kB] Err:1 http://security.ubuntu.com/ubuntu bionic-updates/main amd64 gcc-8-base amd64 8.3.0-6ubuntu1~18.04.1   404  Not Found [IP: 91.189.91.38 80] Err:2 http://security.ubuntu.com/ubuntu bionic-updates/main amd64 libstdc++6 amd64 8.3.0-6ubuntu1~18.04.1   404  Not Found [IP: 91.189.91.38 80] Err:3 http://security.ubuntu.com/ubuntu bionic-updates/main amd64 libgcc1 amd64 1:8.3.0-6ubuntu1~18.04.1   404  Not Found [IP: 91.189.91.38 80] Ign:5 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 lib32gcc1 amd64 1:8.3.0-6ubuntu1~18.04.1 Err:5 http://security.ubuntu.com/ubuntu bionic-updates/main amd64 lib32gcc1 amd64 1:8.3.0-6ubuntu1~18.04.1   404  Not Found [IP: 91.189.91.38 80] Fetched 2,651 kB in 1s (1,851 kB/s) E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/gcc-8/gcc-8-ba....1_amd64.deb  404  Not Found [IP: 91.189.91.38 80] E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/gcc-8/libstdc+....1_amd64.deb  404  Not Found [IP: 91.189.91.38 80] E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/gcc-8/libgcc1_....1_amd64.deb  404  Not Found [IP: 91.189.91.38 80] E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/gcc-8/lib32gcc....1_amd64.deb  404  Not Found [IP: 91.189.91.38 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?   

   Creating home directory `/home/user' ... Copying files from `/etc/skel' ... New password: Retype new password: No password supplied New password: Retype new password: No password supplied New password: Retype new password: No password supplied passwd: Authentication token manipulation error passwd: password unchanged Try again? [y/N] y New password: Retype new password: No password supplied New password: Retype new password: No password supplied New password: Retype new password: No password supplied passwd: Authentication token manipulation error passwd: password unchanged Try again? [y/N] n Changing the user information for user Enter the new value, or press ENTER for the default         Full Name []:         Room Number []:         Work Phone []:         Home Phone []:         Other []: Is the information correct? [Y/n] y root@serv:~# adduser user sudo Adding user `user' to group `sudo' ... Adding user user to group sudo Done. root@serv:~# su – user su: user – does not exist