Software - Support > Updates

Update errors - LinuxCNC NO_PUBKEY

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stevef:

--- Quote ---Never actually installed. I tried from a uspace.deb file.  I get an unmet dependencies error and installation stops.
--- End quote ---
It might help solving the problem if we know what instructions you were trying to follow.

It looks like something has added LinuxCNC as a source of software updates to your system which has broken the update process.
Click 'Menu' then begin typing 'Software' into the search box.
When you see 'Software & Updates' click on it.

On the window that opens, select the tabs in turn looking for something about LinuxCNC.  It may be in the 'Other Software' tab.
If you find LinuxCNC is checked, uncheck any references to it, then close the window, restart and try updates again.

n_spect_r:
Never actually installed. I tried from a uspace.deb file.  I get an unmet dependencies error and installation stops.

stevef:
What instructions did you follow to install LinuxCNC ?

n_spect_r:
===========================
Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to https://www.linuxliteos.com/forums/ and paste the log below into the Software - Support - Updates section for assistance.

============ Log ===========

Hit:1 http://archive.ubuntu.com/ubuntu jammy InRelease
Hit:2 https://dl.winehq.org/wine-builds/ubuntu focal InRelease
Hit:3 https://brave-browser-apt-release.s3.brave.com stable InRelease
Hit:4 https://deb.opera.com/opera-stable stable InRelease
Get:5 http://linuxcnc.org precise InRelease [60.1 kB]
Err:5 http://linuxcnc.org precise InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3CB9FD148F374FEF
Get:6 http://linuxcnc.org buster InRelease [54.9 kB]
Err:6 http://linuxcnc.org buster InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3CB9FD148F374FEF
Reading package lists...
W: GPG error: http://linuxcnc.org precise InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3CB9FD148F374FEF
E: The repository 'http://linuxcnc.org precise InRelease' is not signed.
W: GPG error: http://linuxcnc.org buster InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3CB9FD148F374FEF
E: The repository 'http://linuxcnc.org buster InRelease' is not signed.

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