osmocom cni install (required elements)

HI first of all thanks for all the amazing work here! just wanna know after Adding the repository to the Ubuntu_18.04 system,what i need to do in order to install the osmocom cni? when trying apt-get install osmo,it will suggest all those : i just wanna know which elements are required to install! thanks osmo osmo-ggsn-dbg osmo-remsim-bankd osmo-bsc osmo-ggsn-doc osmo-remsim-client osmo-bsc-bs11-utils osmo-gsm-manuals-dev osmo-remsim-doc osmo-bsc-dbg osmo-gtphub osmo-remsim-server osmo-bsc-doc osmo-gtphub-dbg osmo-sdr osmo-bsc-ipaccess-utils osmo-hlr osmose-emulator osmo-bsc-meas-utils osmo-hlr-dbg osmo-sgsn osmo-bts osmo-hlr-doc osmo-sgsn-dbg osmo-bts-doc osmo-hnbgw osmo-sgsn-doc osmo-bts-trx osmo-hnbgw-dbg osmo-sip-connector osmo-bts-trx-dbg osmo-libasn1c0 osmo-sip-connector-dbg osmo-bts-virtual osmo-libasn1c-dev osmo-sip-connector-doc osmo-bts-virtual-dbg osmo-mgw osmosis osmocom-bs11-utils osmo-mgw-doc osmo-stp osmocom-bsc osmo-msc osmo-stp-dbg osmocom-bsc-nat osmo-msc-dbg osmo-stp-doc osmocom-gbproxy osmo-msc-doc osmo-sysmon osmocom-ipaccess-utils osmo-pcap-client osmo-sysmon-dbg osmocom-latest osmo-pcap-client-dbg osmo-trx osmocom-nitb osmo-pcap-server osmo-trx-dbg osmocom-sgsn osmo-pcap-server-dbg osmo-trx-doc osmo-gbproxy osmo-pcu osmo-trx-lms osmo-gbproxy-dbg osmo-pcu-dbg osmo-trx-uhd osmo-ggsn osmo-pcu-doc osmo-trx-usrp1 thanks.