error when installing on alibaba cloud

[pengengantibaju]

here the error log i got pls help

The following NEW packages will be installed:
  libcurl3-gnutls libgdk-pixbuf2.0-0 libgdk-pixbuf2.0-common libnotify4
0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 424 kB of archives.
After this operation, 1,456 kB of additional disk space will be used.
Ign:1 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libcurl3-gnutls amd64 7.68.0-1ubuntu2.12
Ign:2 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libgdk-pixbuf2.0-common all 2.40.0+dfsg-3ubuntu0.3
Ign:3 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libgdk-pixbuf2.0-0 amd64 2.40.0+dfsg-3ubuntu0.3
Err:4 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal/main amd64 libnotify4 amd64 0.7.9-1ubuntu2
  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
Err:1 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libcurl3-gnutls amd64 7.68.0-1ubuntu2.12
  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
Ign:2 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libgdk-pixbuf2.0-common all 2.40.0+dfsg-3ubuntu0.3
Err:3 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libgdk-pixbuf2.0-0 amd64 2.40.0+dfsg-3ubuntu0.3
  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
Ign:2 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libgdk-pixbuf2.0-common all 2.40.0+dfsg-3ubuntu0.3
Err:2 http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu focal-updates/main amd64 libgdk-pixbuf2.0-common all 2.40.0+dfsg-3ubuntu0.3
  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
E: Failed to fetch http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu/pool/main/c/curl/libcurl3-gnutls_7.68.0-1ubuntu2.12_amd64.deb  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
E: Failed to fetch http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu/pool/main/g/gdk-pixbuf/libgdk-pixbuf2.0-common_2.40.0+dfsg-3ubuntu0.3_all.deb  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
E: Failed to fetch http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu/pool/main/g/gdk-pixbuf/libgdk-pixbuf2.0-0_2.40.0+dfsg-3ubuntu0.3_amd64.deb  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
E: Failed to fetch http://ap-southeast-3.mirrors.cloud.aliyuncs.com/ubuntu/pool/main/libn/libnotify/libnotify4_0.7.9-1ubuntu2_amd64.deb  Could not resolve 'ap-southeast-3.mirrors.cloud.aliyuncs.com'
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
~

[nebulon]

Hi @pengengantibaju

are any other domains resolving from your server? like if you do a host cloudron.io for example?

[subven]

Can you please also post the output of:

systemd-resolve --status | grep 'DNS Servers' -A2

and

systemctl list-units --state=failed