Hello,
I apologize in advance if this post doesn’t meet the quality standards for inclusion. I did try to find a post asking this question but after spending some time trying to read posts I’m still not sure how to proceed.
I purchased a lambda labs laptop with Ubuntu and lambda stack from Lambda Labs back in the day (2018? I would have to look it up).
I’m not sure how to upgrade it to Ubuntu 20.04.
Here is some copy pasted output:
senecawolf@tensorbook:~$ sudo apt-get update && sudo apt-get dist-upgrade
[sudo] password for senecawolf:
Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:3 http://packages.microsoft.com/repos/code stable InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:5 https://packages.cloud.google.com/apt cloud-sdk InRelease [6,751 B]
Hit:6 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease
Get:2 https://brave-browser-apt-release.s3.brave.com stable InRelease [4,317 B]
Hit:7 http://archive.lambdalabs.com/ubuntu bionic InRelease
Hit:8 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease
Hit:9 http://security.ubuntu.com/ubuntu bionic-security InRelease
Err:2 https://brave-browser-apt-release.s3.brave.com stable InRelease
The following signatures were invalid: EXPKEYSIG A8580BDC82D3DC6C Brave Software <support@brave.com>
Fetched 11.1 kB in 2s (5,904 B/s)
Reading package lists... Done
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures were invalid: EXPKEYSIG A8580BDC82D3DC6C Brave Software <support@brave.com>
W: Failed to fetch https://brave-browser-apt-release.s3.brave.com/dists/stable/InRelease The following signatures were invalid: EXPKEYSIG A8580BDC82D3DC6C Brave Software <support@brave.com>
W: Some index files failed to download. They have been ignored, or old ones used instead.
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
libllvm9 libllvm9:i386 libnvidia-cfg1-440 libnvidia-cfg1-450
libnvidia-cfg1-455 libnvidia-cfg1-460 libnvidia-cfg1-470
libnvidia-common-440 libnvidia-common-450 libnvidia-common-455
libnvidia-common-460 libnvidia-common-470 libnvidia-compute-440
libnvidia-compute-440:i386 libnvidia-compute-450 libnvidia-compute-450:i386
libnvidia-compute-455 libnvidia-compute-455:i386 libnvidia-compute-460
libnvidia-compute-460:i386 libnvidia-compute-470 libnvidia-compute-470:i386
libnvidia-decode-440 libnvidia-decode-440:i386 libnvidia-decode-450
libnvidia-decode-450:i386 libnvidia-decode-455 libnvidia-decode-455:i386
libnvidia-decode-460 libnvidia-decode-460:i386 libnvidia-decode-470
libnvidia-decode-470:i386 libnvidia-encode-440 libnvidia-encode-440:i386
libnvidia-encode-450 libnvidia-encode-450:i386 libnvidia-encode-455
libnvidia-encode-455:i386 libnvidia-encode-460 libnvidia-encode-460:i386
libnvidia-encode-470 libnvidia-encode-470:i386 libnvidia-extra-440
libnvidia-extra-440:i386 libnvidia-extra-450 libnvidia-extra-450:i386
libnvidia-extra-455 libnvidia-extra-455:i386 libnvidia-extra-460
libnvidia-extra-460:i386 libnvidia-extra-470 libnvidia-extra-470:i386
libnvidia-fbc1-440 libnvidia-fbc1-440:i386 libnvidia-fbc1-450
libnvidia-fbc1-450:i386 libnvidia-fbc1-455 libnvidia-fbc1-455:i386
libnvidia-fbc1-460 libnvidia-fbc1-460:i386 libnvidia-fbc1-470
libnvidia-fbc1-470:i386 libnvidia-gl-440 libnvidia-gl-440:i386
libnvidia-gl-450 libnvidia-gl-450:i386 libnvidia-gl-455
libnvidia-gl-455:i386 libnvidia-gl-460 libnvidia-gl-460:i386
libnvidia-gl-470 libnvidia-gl-470:i386 linux-hwe-5.4-headers-5.4.0-70
linux-hwe-5.4-headers-5.4.0-71 linux-hwe-5.4-headers-5.4.0-72
nvidia-compute-utils-440 nvidia-compute-utils-450 nvidia-compute-utils-455
nvidia-compute-utils-460 nvidia-compute-utils-470 nvidia-dkms-440
nvidia-dkms-450 nvidia-dkms-455 nvidia-dkms-460 nvidia-dkms-470
nvidia-kernel-common-460 nvidia-kernel-common-470 nvidia-kernel-source-460
nvidia-kernel-source-470 nvidia-utils-440 nvidia-utils-450 nvidia-utils-455
nvidia-utils-460 nvidia-utils-470 python3-crcmod shim
xserver-xorg-video-nvidia-440 xserver-xorg-video-nvidia-450
xserver-xorg-video-nvidia-455 xserver-xorg-video-nvidia-460
xserver-xorg-video-nvidia-470
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
senecawolf@tensorbook:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.6 LTS
Release: 18.04
Codename: bionic
senecawolf@tensorbook:~$