Question Igor Barboza · Sep 23, 2021 Troubles to install IRIS on Ubuntu 18.04 I'm trying to install IRIS 2021.1 in the Ubuntu 18.04 but all the time I got the message below: Starting installationStarting up InterSystems IRIS for loading...Invalid ownership for ./irisdbInterSystems IRIS is already up!Status code is 1InterSystems IRIS failed to start.Check /mnt/WinData/InterSystemsLinux/mgr/messages.log for more details.Call InterSystems Technical Support if you need assistance. * Installation aborted * Post-installation tasks failed, installation is not complete #Ubuntu #InterSystems IRIS 0 4 0 359