yan@RO:/etc/apt/sources.list.d$ sudo apt update
Get: 1 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Hits: 2 http://packages.ros.org/ros/ubuntu focal InRelease
Hits: 3 http://ppa.launchpad.net/git-core/ppa/ubuntu focal InRelease
Hits: 4 http://cn.archive.ubuntu.com/ubuntu focal InRelease
Hits: 5 http://cn.archive.ubuntu.com/ubuntu focal-updates InRelease
Hits: 6 https://deb.nodesource.com/node_16.x focal InRelease
Get: 7 http://cn.archive.ubuntu.com/ubuntu focal-backports InRelease [108 kB]
Ignore:8 http://robotpkg.openrobots.org/packages/debian/pub focal InRelease
Hits: 9 http://robotpkg.openrobots.org/packages/debian/pub focal Release
Error: 10 http://robotpkg.openrobots.org/packages/debian/pub focal Release.gpg
The following signature could not be verified because there is no public key: NO_PUBKEY ADD535E05E56C3FD
222 kB downloaded, took 3 seconds (69.3 kB/s)
Reading package list… Done
Analyzing the dependency tree of the package
Reading status information… Done
All packages are up to date.
W: An error occurred while verifying the digital signature. This repository has not been updated, so the previous index file is still used. GPG error: http://robotpkg.openrobots.org/packages/debian/pub focal Release: The following signature cannot be verified because there is no public key: NO_PUBKEY ADD535E05E56C3FD
W: Unable to download http://robotpkg.openrobots.org/packages/debian/pub/dists/focal/Release.gpg The following signature cannot be verified because there is no public key: NO_PUBKEY ADD535E05E56C3FD
The above error report has been searched for a long time on Baidu, csdn, etc. The general solution is
sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys 23E7166788B63E1E
After trying it, it still doesn’t work. After searching for pinocchio installation on google, enter the URL https://stack-of-tasks.github.io/pinocchio/download.html and follow the
echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/robotpkg.asc] http://robotpkg.openrobots.org/packages/debian/pub $(lsb_release -cs) robotpkg" \
| sudo tee /etc/apt/sources.list.d/robotpkg.list
This step converts the key
-----BEGIN PGP PUBLIC KEY BLOCK----- mQINBFpnGgcBEADDeDCy5UM6F85wUxATZn9jZluoe5tdg7P8C5YLbzov09ehuwQ/ QBs2gMolM2QCRT + 3Gm0V1Oihwh5NtgES1YfX4o3lQdIiu3 + zZGCcn9wP9h8a0vMe OiqysIFcsna8mDoRCXuACDr9DM2wIwnVZMMvOdzIBqhOTdZ1gZi5cso4HPlm6cWw hFi9c/KGADlGWxRH5koaswP3tc854By5aKUefX6cbnyl3tqEVmkUVX3I73ycxm3t XjvEJupOGZLEHPorf8nGge/vFAyIhp0lFUnqcUHOuz + WhEPo3/UHPdScWEeQp7fL vNxI1qgVTo6ZQoJPdot96t0QLbVAkosvii + 79ZrNM7z9VWwbnnPRDXELmlfGgObt A63pBcALVp0ygizyoTwUGL+fgNLEclO9d7c7nujgrbXSAIxXCXtkfOBX6M0LHrfC SiAnGvp5 + A/gTX0kJ/IHx8wrCwPY3fLC7FmySTMWoLDUYmBwWspCU4T9fZj8Qpf4 B1DQu/85zaGhdHoKPTHJyGoupIlmNuv1FtCVfh8NDiLhjhW2LY07bZHi55 + 5HyY6 OtZcEQZTTHexdN/i3CrUV2jVnGodyBDC87WdjWfp0QjN4q1AELn02nOgnN/cfrEP ka/nWKV2dj6AB6ZtMX314oSd4OIx1clZXmebWypv/H/T + ouppsZdxbyPdQARAQAB tBtyb2JvdHBrZyA8cm9ib3Rwa2dAbGFhcy5mcj6JAjcEEwEIACEFAlpnGgcCGwMF CwkIBwMFFQoJCAsFFgIDAQACHgECF4AACgkQrdU14F5Ww/0 + 4xAAvVEZo8I + Ast/ d00VOtmlSgapgsSpu6PglpPu2ovujB7Cw/1gvgCmTkdjfY6tFtzVHumlPtdjk1Sa DgmxAKYhUoj1/V7MCoTx6px0qNjonZhYsmNenNyOqc155nD/9HTl6UngLLm71jOq f4ipUnnfebtgvJnG9wCXeeVezlDmEUZIRMpKLg3fgkgmqj7zjj5Sye6JMH8zMbwp nyuRCf3M91uTy + zoHiMdgtRomTzd2dzsSm2dUp7hg5S + arEx3ecWpRLB2iQQDuPQ wrFURBUsUIboUDvM6VQTO8BFVQgZBWkOllXqnPT4A+X2l1pAkEoQ1g19GE4R0slX ovJKC3b751fArE/QbnqSSHjrqXnKI + zprGc2BDZWQJdujM0MbHyLvrnwRjO6lGhy HRIBibYOwHXvu2mMKFdPOAlncygCfZ6 + bEsz1e5fLD6pgVWi7L4U1GuGQgEa4tA6 QyVHyHFNSS9ZUq5yCTYRcxV + 7SeK9PE1i5fc/KH1d2yY4pcA7rMlLV1jSIBMDwH/ 9XMs5auoBZfxtC3U2V + K69kNtp6Gm7uP7B5BaOO + XnpdnoXm/AkYyv6aFQHJMZ1A Dv5ZKEoRKOAM12ZJ3fywotb/IsESPErnz8d/EmHY/XLTkDEapljKjLUEc6iFqivW SCda2U7+tQLkx7NZShh9PC0GuQmpevm5Ag0EWmcaBwEQAM6M2nT3gABwAxpuuvua yWFxM5Wf1Vsr6d4ns/pX/qrATeLNiW3zmUNJXz9QT3yh6Uy5T96bQ1VDKMFNpqPw hSNGX7IRTuZuWd/C5Y2wreqHPJOxkmCj2ju20O2A7w5SWN78uHWZZ2uB4DNk87FK mITAJGepvnpNXdDqHV3038901Zi4eg7n0aPCyNAyhkRS9C4DRFBIx5llsHS3dR4/ c + oBzV6s + L6x7P060G6g56kweNORjFivOZSeobPPYWSPYj9Lz0ucdxs4 + 4lep7m9 lsksw1H7heAHeX7W5rh/pL6Zc6ZwfmmT6dSHYIwNXzQYoBRhZKk/jdSO7jUztCRp FSL6vbKLnwooie + VYbtYQE5K7TuVMfpl07SfNR9LcLAH05TNaD38rWPgQ/Oyv + gu tK2pfXxm9OyHY6GtJpRIA7M0tlXRiLuY5TWoYHeuUN4ZE/jujaYRcC6YDQLMsRpP Fqr16a5AlHJlb986YxFTyPeRUtEcmQ1ldOg/TE9Jyej7W/dhdIx+X9ByxlZdC941 p1X3KHPiEM0bjnDOOwT58Q4AGTq1VRDInKLy99/Lb5rLm9AY32knlSzFUWL6kbxN i9ejgfSifTiPZuoHLVxazv8Yb5nkdrUi50yJuEVcgI6wOxsWCTIFrGCGcU5frRpS ZdvhLvV7DK73w7KbsUIrFp0HABEBAAGJAh8EGAEIAAkFAlpnGgcCGwwACgkQrdU1 4F5Ww/3nsg//TWWIgtN13h3jzrmFX3ax20Y362GEBcGnem9BWenFf + m5V24gDq1I ZSRVZ6myZ0gmcPMUpp3JtYfUcrKjnXD8Pec6w4zBbsYd2VqRX4fkQA1/IWgZnOx2 C/kYRiwtDzZN6qCPxVAWxt/GNr1vtFbw3Q + iaSSThYPKHmHi + 0p7QmVbJoqQBw + w eQj3iHgTHjLnMyedMUGuytPyF22Ak+RE3e8DiXpae9JBKG8FPuli9ZkYG2dsElLa 5Gv7r6DQyL5y5jRS7TD5WAqnO9mGruFtPAIjA0qMFDWgsoEOh0qqJCo4xoLSWZXp BF2G7yc9BDyeMLka3BFheW8jADPfFtVHfYRJxFXg5Yrwm9Lu9CTc4iwyd9Hm6VGQ FGzxA21BFIwgQU6g1KGOVYyqR0yrqsDiem4ullqW0iHHNf4Y5nZUttvDr5rlAnD8 8nEgVn + JHdC3Wy8oGAe0GifMNXT1jBwIdk0LSDR/4rxxhe/g8Ci2Bhhh2AmqgRTN L1+7d7MQHjOwBrDPWytHfVMfNXLP04cO2jbcaOFn1GPjYwP0ksK36tKIkFJm5AzF OmBvBK9KjAn6Bes24tFXk1NrOEFSOVC6oU7k6KZhwHvPS + /kzGO8QGYP6ZV4mpmc 3SIswD2R4sC59rJdkA2ys8HMjDc01PjdDokVjy3krj899iMwx51qu4U= =/psP -----END PGP PUBLIC KEY BLOCK-----
add to
/etc/apt/sources.list.d/robotpkg.list
(After the modification, the file will become /etc/apt/kryrings/robotpkg.asc)
, after saving
sudo apt update
that’s it