sbt‘s log level can be set by execute set logLevel := Level.Error inside sbt. How to set the sbt log level at the command line? Add --error to sbt for specify the logLevel to error: sbt --error "your command" Read more: How to get the time at millisecond level on Linux with command line? How to install multiple versions of sbt on my Linux host? How to package a Scala project to a .jar with sbt? Why are keys overlap in SST files at Level 0 in LevelDB system? How to install sbt for scala on Fedora Linux How to set options for scala in sbt How to log connections hitting certain rules in iptables on Linux? How to check last boot’s systemd journal log in CentOS 7 Linux?