It seems the size picked by the partitioner at install time for / isn't large enough (I choose the defaults except I enlarged /var to run a web server).
OpenBSD 6.0-current (GENERIC.MP) #25: Fri Dec 9 16:53:25 MST 2016 # dmesg | grep sd0 | grep MB | uniq sd0: 476940MB, 512 bytes/sector, 976773168 sector # df / Filesystem 512-blocks Used Avail Capacity Mounted on /dev/sd0a 2057756 2056792 -101920 105% / # du -cs /bin /sbin /dev /bsd* 20800 /bsd 15552 /bsd.rd 20704 /bsd.sp 1932484 /dev 30100 /sbin 10308 /bin 2029948 total Note I listed with 'du' only indispensable files and directories. The larger is /dev. What's the more convenient solution in this case?

