###### Ubuntu Main Repos
deb http://pl.archive.ubuntu.com/ubuntu/ bionic main restricted universe 
deb-src http://pl.archive.ubuntu.com/ubuntu/ bionic main restricted universe 

###### Ubuntu Update Repos
deb http://pl.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe 
deb http://pl.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe 
deb http://pl.archive.ubuntu.com/ubuntu/ bionic-proposed main restricted universe 
deb http://pl.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe 
deb-src http://pl.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe 
deb-src http://pl.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe 
deb-src http://pl.archive.ubuntu.com/ubuntu/ bionic-proposed main restricted universe 
deb-src http://pl.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe