Tag: Tech

  • Find that program running on that port

    macOS (tested on 10.11.6):sudo lsof -i :80…where ’80’ is the port you’re curious about (substitute any value).   Thanks to Databasically. See also here. Windows (tested on 10 Pro version 1709):netstat -ano…this will produce a list of ports in use and the PIDs using them) Thanks to @RickVanover. Fedora 20netstat -npl | grep 8013…this will find…

  • Segfault error

    Ever end up with messages like these in your Linux system’s system log? (/var/log/messages or journalctl or whatever system log system you’re using)? Apr 1 08:09:27 machinename kernel: ProcessNameThatCrashed[22041]: segfault at 00000000e5c5e000 rip 00000000081473d0 rsp 00000000e5c5aa30 error 4 Ever wonder what that error number means? Well, Raphael Geissert over at Raphael’s blog has a handy…

  • Installing Boost on macOS High Sierra (10.13.2)

    Assuming you have Homebrew installed already: Launch Terminal “brew install boost” (without the quotes). Notice errors. Try updating brew by doing a ‘brew update’. Failures.  Notice by looking at /Users/<userid>/Library/Logs/Homebrew/boost/01.bootstrap.sh that “brew” is at version 0.95 on my machine. Research brew and see it’s on version 1.4.0. Reinstall Brew as though it’s never been installed (even though…