Sejam todos bem-vindos e fiquem atentos às regras de utilização do fórum e política de privacidade.
$ lsb_release -aNo LSB modules are available.Distributor ID: UbuntuDescription: Ubuntu 18.04.5 LTSRelease: 18.04Codename: bionic$ sudo apt install strongswan network-manager-strongswanReading package lists... DoneBuilding dependency treeReading state information... DoneThe following packages were automatically installed and are no longer required: linux-headers-4.15.0-112 linux-headers-4.15.0-112-generic linux-image-4.15.0-112-generic linux-modules-4.15.0-112-generic linux-modules-extra-4.15.0-112-genericUse 'sudo apt autoremove' to remove them.The following additional packages will be installed: libcharon-standard-plugins libnm-gtk0 libnma0 libstrongswan libstrongswan-standard-plugins strongswan-charon strongswan-libcharon strongswan-nm strongswan-starterSuggested packages: libstrongswan-extra-plugins libcharon-extra-pluginsThe following NEW packages will be installed: libcharon-standard-plugins libnm-gtk0 libnma0 libstrongswan libstrongswan-standard-plugins network-manager-strongswan strongswan strongswan-charon strongswan-libcharon strongswan-nm strongswan-starter0 upgraded, 11 newly installed, 0 to remove and 0 not upgraded.Need to get 1.070 kB of archives.After this operation, 4.953 kB of additional disk space will be used.Do you want to continue? [Y/n] nAbort.$ apt policy strongswan network-manager-strongswanstrongswan: Installed: (none) Candidate: 5.6.2-1ubuntu2.5 Version table: 5.6.2-1ubuntu2.5 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages 5.6.2-1ubuntu2.3 500 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages 500 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages 5.6.2-1ubuntu2 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu bionic/main i386 Packagesnetwork-manager-strongswan: Installed: (none) Candidate: 1.4.2-2 Version table: 1.4.2-2 500 500 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
E: Unable to correct problems, you have held broken packages.