My sudo apt update failed, but I don't understand why:
Err:2 http://it-mirrors.evowise.com/ubuntu focal InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Err:3 http://it-mirrors.evowise.com/ubuntu focal-updates InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Err:6 http://it-mirrors.evowise.com/ubuntu focal-backports InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Err:7 http://it-mirrors.evowise.com/ubuntu focal-security InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Hit:12 http://dl.winehq.org/wine-builds/ubuntu focal InRelease
Hit:13 http://dl.winehq.org/wine-builds/ubuntu hirsute InRelease
Reading package lists... Done
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://it-mirrors.evowise.com/ubuntu focal InRelease' is no longer signed.
E: Failed to fetch http://it-mirrors.evowise.com/ubuntu/dists/focal/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://it-mirrors.evowise.com/ubuntu focal-updates InRelease' is no longer signed.
E: Failed to fetch http://it-mirrors.evowise.com/ubuntu/dists/focal-updates/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: Failed to fetch http://it-mirrors.evowise.com/ubuntu/dists/focal-backports/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: The repository 'http://it-mirrors.evowise.com/ubuntu focal-backports InRelease' is no longer signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://it-mirrors.evowise.com/ubuntu/dists/focal-security/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: The repository 'http://it-mirrors.evowise.com/ubuntu focal-security InRelease' is no longer signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
