@Kshitij Gupta To execute a specific binary on the filesystem the command has to contain the full path to it so

/home/kshitij/osquery/build/osquery/osqueryi

or if you are in the same folder

./osqueryi

. By the way, if you just want to use osquery and not develop it, I would suggest using the stable builds which will then add the binary in a path that the PATH env var pick up, and then you can just use osquery without specifying the path to it. https://osquery.io/downloads/official/4.4.0 <- Either download the .deb, or in the

Alternative Install Options

check Debian Linux, there are some commands to add our repository, so that you can then install osquery via apt-get.