See the topic and the Installed logs:
maolu@maolu-virtual-machine:~/legato$ ls
artifacts.xml devstudio.ini icon.xpm META-INF README.txt
configuration devstudio.png legato-spm p2 tools
devstudio features legato-spm.bat plugins
maolu@maolu-virtual-machine:~/legato$ ./legato-spm --installed --update-link
========== Install pending packages ==========
Found 0 update site
========== Installed packages ==========
0 package installed
Job found still running after platform shutdown. Jobs should be canceled by the plugin that scheduled them during shutdown: com.swi.commons.core.job.SwiJob
Job found still running after platform shutdown. Jobs should be canceled by the plugin that scheduled them during shutdown: com.swi.commons.core.job.SwiJob
maolu@maolu-virtual-machine:~/legato$ ./legato-spm --installed --update-link
========== Install pending packages ==========
Found 0 update site
========== Installed packages ==========
0 package installed
maolu@maolu-virtual-machine:~/legato$
And the operation system information:
ubuntu 16.04 LTS Graphics Gallium 0.4 on SVGA3D; build:RELEASE;LLVM OS type: 64-bit