![]() Select Ubuntu Xorg SessionĪfter installing the TeamViewer, you can launch it by going to Activities > Search for TeamViewer or running the teamviewer command in the terminal. Therefore, you will have to log in Xorg session for successful incoming remote control connections. The default Wayland session doesn’t support the incoming remote control. teamviewer_b Launch TeamViewer (Xorg Session) Then, install the TeamViewer using the apt command. ![]() Install TeamViewer on Ubuntu 22.04įirst, download the latest version of the TeamViewer package from the official website using the wget command. Here, we will see how to install TeamViewer on Ubuntu 22.04. It is available for Windows, Linux, macOS, iOS, and Android operating systems. If the keys that your system is missing differs, simply replace the key at the end of the above command with your key and run it.TeamViewer is one of the most widely used remote desktop sharing applications that help share desktop sessions, conduct online meetings and web conferences, and transfer files between computers. Gpg: key C0B21F32: public key "Ubuntu Archive Automatic Signing Key (2012) " imported Gpg: requesting key C0B21F32 from hkp server $ sudo apt-key adv -keyserver -recv-keys 3B4FE6ACC0B21F32Įxecuting: gpg -ignore-time-conflict -no-options -no-default-keyring -homedir /tmp/tmp.77TqYGKU7b -no-auto-check-trustdb -trust-model always -keyring /etc/apt/trusted.gpg -primary-keyring /etc/apt/trusted.gpg -keyserver -recv-keys 3B4FE6ACC0B21F32 Gpg: key 437D05B5: public key "Ubuntu Archive Automatic Signing Key " imported Gpg: requesting key 437D05B5 from hkp server To add these keys, run the following commands: $ sudo apt-key adv -keyserver -recv-keys 40976EAF437D05B5Įxecuting: gpg -ignore-time-conflict -no-options -no-default-keyring -homedir /tmp/tmp.QTeppiINUh -no-auto-check-trustdb -trust-model always -keyring /etc/apt/trusted.gpg -primary-keyring /etc/apt/trusted.gpg -keyserver -recv-keys 40976EAF437D05B5 Each unique key will only need to be added once. Notice that these are listed multiple times. Looking at the error above, apt is telling us that the following keys are missing: 40976EAF437D05B5 and 3B4FE6ACC0B21F32. Each key that is listed as missing needs to be added to the apt key manager so that it can authenticate the packages. Sometimes the system does not have all the keys it needs and runs into this issue. ![]() The apt packaging system has a set of trusted keys that determine whether a package can be authenticated and therefore trusted to be installed on the system. For example: $ sudo apt-get upgradeĮ: Some packages could not be authenticated If these errors aren’t fixed, apt will have problems when installing or upgrading packages. W: GPG error: trusty-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: GPG error: trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 ![]() W: GPG error: trusty-security Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 There are times when running apt-get update in Ubuntu will result in error messages such as the following: $ sudo apt-get update
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