1318: apt-get update fails if /tmp is not a tmpfs

[Heinrich Schuchardt]

Following the instructions:

root@workstation5:/# apt update; apt install hello
Get:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease [270 kB]
Get:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease [119 kB]
Err:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease
  Couldn't create temporary file /tmp/apt.conf.QdqhOm for passing config to apt-key
Get:3 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease [109 kB]
Err:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease
  Couldn't create temporary file /tmp/apt.conf.IuMOu0 for passing config to apt-key
Err:3 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease
  Couldn't create temporary file /tmp/apt.conf.KOhxCK for passing config to apt-key
Get:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease [110 kB]
Err:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
  Couldn't create temporary file /tmp/apt.conf.z6aeMm for passing config to apt-key
Reading package lists... Done
W: GPG error: http://ports.ubuntu.com/ubuntu-ports jammy InRelease: Couldn't create temporary file /tmp/apt.conf.QdqhOm for passing config to apt-key
E: The repository 'http://ports.ubuntu.com/ubuntu-ports jammy InRelease' is not 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.
W: GPG error: http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease: Couldn't create temporary file /tmp/apt.conf.IuMOu0 for passing config to apt-key
E: The repository 'http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease' is not 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.
W: GPG error: http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease: Couldn't create temporary file /tmp/apt.conf.KOhxCK for passing config to apt-key
E: The repository 'http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease' is not 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.
W: GPG error: http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease: Couldn't create temporary file /tmp/apt.conf.z6aeMm for passing config to apt-key
E: The repository 'http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease' is not 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.
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package hello

After 'mount tmp -tmpfs base/tmp' the test succeeded.