Latest Ubuntu 19 user agents:

User Agent Browser Device
Mozilla/5.0 (X11; Linux x86_64; CentOS Ubuntu 19.04) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5957.0 Safari/537.36 Chrome 118 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/19.10 Chromium/80.0.3987.149 Chrome/80.0.3987.149 Safari/537.36 Chromium 80 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/19.04 Chromium/76.0.3809.132 Chrome/76.0.3809.132 Safari/537.36 Chromium 76 Unknown