Use chroot for Testing on Ubuntu

[Rajakavitha1]

hello again, I have a great problem with apt update for ubuntu focal. I cannot update nothing the error is " Could not resolve, ports.ubuntu.com". I tried with everything including dns and change repos but apt update does not work. is it posible that any package is missing o something corrupted in the distro ? can you help me ?, I have spend several days to resolv it.
Luis

[Guito-del]

hello, I give more info about this problem. I installed this distribution ubuntu debootstrap focal ~/chroot-jail and the problem is that apt update does not update any ubuntu source list. I am very curious and it is the first time that I have serious problem to fix this.
I have reinstalled packages but without success. Ping, wget, dig and nslookup work as normal so I have conexion.
Can someone help me please.
thx and rgds all.

[Rajakavitha1]

Hi @Guito-del ,
We tested and validated the steps in the guide and we are not able to reproduce the issue that you have mentioned.
On a Linode Ubuntu focal 20.04. The steps work as documented. the apt update command also works. Closing this issue for now. If you need further assistance please contact linode support by raising a ticket: https://cloud.linode.com/support/tickets.

rajie@ss:~$ sudo apt update
Hit:1 http://mirrors.linode.com/ubuntu focal InRelease
Get:2 http://mirrors.linode.com/ubuntu focal-updates InRelease
Hit:3 http://mirrors.linode.com/ubuntu focal-backports InRelease
Get:4 http://security.ubuntu.com/ubuntu focal-security InRelease [128 kB]
Fetched 256 kB in 1s (240 kB/s)    
Reading package lists... Done
Building dependency tree       
Reading state information... Done
All packages are up to date.
rajie@ss:~$ sudo chroot ~/chroot-jail /bin/bash
root@ss:/# exit
exit
rajie@ss:~$ 

[Guito-del]

Ok thx. I dont need more assistance. It is working now.  Bye Enviado desde Yahoo Mail con Android El jue., feb. 20, 2025 a 6:14, Rajakavitha ***@***.***> escribió: Hi @Guito-del , We tested and validated the steps in the guide and we are not able to reproduce the issue that you have mentioned. On a Linode Ubuntu focal 20.04. The steps work as documented. the apt update command also works. Closing this issue for now. If you need further assistance please contact linode support by raising a ticket: https://cloud.linode.com/support/tickets. ***@***.***:~$ sudo apt update Hit:1 http://mirrors.linode.com/ubuntu focal InRelease Get:2 http://mirrors.linode.com/ubuntu focal-updates InRelease Hit:3 http://mirrors.linode.com/ubuntu focal-backports InRelease Get:4 http://security.ubuntu.com/ubuntu focal-security InRelease [128 kB] Fetched 256 kB in 1s (240 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done All packages are up to date. ***@***.***:~$ sudo chroot ~/chroot-jail /bin/bash ***@***.***:/# exit exit ***@***.***:~$ — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you were mentioned.Message ID: ***@***.***> Rajakavitha1 left a comment (linode/docs#7184) Hi @Guito-del , We tested and validated the steps in the guide and we are not able to reproduce the issue that you have mentioned. On a Linode Ubuntu focal 20.04. The steps work as documented. the apt update command also works. Closing this issue for now. If you need further assistance please contact linode support by raising a ticket: https://cloud.linode.com/support/tickets. ***@***.***:~$ sudo apt update Hit:1 http://mirrors.linode.com/ubuntu focal InRelease Get:2 http://mirrors.linode.com/ubuntu focal-updates InRelease Hit:3 http://mirrors.linode.com/ubuntu focal-backports InRelease Get:4 http://security.ubuntu.com/ubuntu focal-security InRelease [128 kB] Fetched 256 kB in 1s (240 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done All packages are up to date. ***@***.***:~$ sudo chroot ~/chroot-jail /bin/bash ***@***.***:/# exit exit ***@***.***:~$ — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you were mentioned.Message ID: ***@***.***>