Oracle Clients

Ubuntu

Download

oracle-instantclient12.2-basiclite-12.2.0.1.0-1.x86_64.rpm
oracle-instantclient12.2-sqlplus-12.2.0.1.0-1.x86_64.rpm

from Oracle Instant Client download page

$ sudo apt install alien libaio1
$ sudo alien -i oracle-instantclient12.2-basiclite-12.2.0.1.0-1.x86_64.rpm 
$ sudo alien -i oracle-instantclient12.2-sqlplus-12.2.0.1.0-1.x86_64.rpm
$ for i in $(dpkg -L $(dpkg -l oracle-instantclient\* | awk '$1=="ii"{print $2;}') | grep .so )
do
  BASENAME=${i##*/}
  sudo update-alternatives --install /usr/lib/${BASENAME} ${BASENAME} ${i} 10
done
$ dpkg -L $(dpkg -l oracle-instantclient*-basiclite | awk '$1=="ii"{print $2;}') | \
    awk '
      /client64$/{
        oracle_home=$1;
        printf "ORACLE_HOME=%s\nPATH=${PATH}:${ORACLE_HOME}/bin\nexport ORACLE_HOME PATH\n",oracle_home;
      }' | \
    sudo tee /etc/profile.d/oracle.sh