• Scanner

  • Tech · unix · 2019-02-20 · Daniel
  • I own a CanoScan LiDE 30. This scanner is about 15 years old, and back when I got it new, it was supported on Mac OS X. Canon stopped updating the drivers a couple years later, so I switched to TWAIN-SANE.

    When I did that, I wrote a "scan" shell …Continue reading

  • Postfix relay configuration

  • Tech · 2019-02-14 · Daniel
  • Like most people in my industry, I use multiple email addresses at multiple providers. Used to be, I could configure all of my email addresses in my mail client and just send through my mail server and -- voila -- my email would go out as whatever address I wanted to use …Continue reading

  • Network upgrade

  • Tech · lab · 2018-12-28 · Daniel
  • I have a 3-story house, and my office is on the third floor. Wifi connectivity in the bonus room over the garage was terrible, so I brainstormed ideas with coworkers and friends about how to fix this. As a temporary measure I ran a long ethernet cable from the office …Continue reading

  • testssl.sh

  • Tech · ssl shell unix · 2018-07-02 · Daniel
  • Last week, I needed to make some changes to my employer's production website, but before I made those changes in production, I wanted to test them. Unfortunately for me, our dev server is unreachable by Qualys, so I had to come up with another way to test those changes.

    Enter …Continue reading

  • I love SSH tunnels

  • Tech · unix shell · 2018-03-15 · Daniel
  • Everyone who knows me well knows that tunnels in SSH represent one of my all-time-favorite features, ever. Why? Simple: They are so immensely useful.

    Say you are debugging an issue on server, as I am today, and you need a mail server running on that server. But, that server is …Continue reading

  • Home network/home lab

  • Tech · nas unix esxi · 2017-12-03 · Daniel
  • I am frequently asked about my home network/home lab setup. The summary is that I currently use a Synology RT1900ac router, and two Synology NAS devices: a DS415+ as primary storage, and a DS214se as backup.

    For a number of years, I had a first-generation Drobo; later I added …Continue reading

  • Welcome

  • General · 2017-10-26 · Daniel
  • A while ago, a friend suggested that I should start a blog. Around that same time, a coworker introduced me to DigitalOcean. I quickly set up a VM at DigitalOcean (that VM is serving this web page), and installed FreeBSD 11.

    I looked at WordPress and other popular blogging tools …Continue reading

Daniel's Blog

I am a system engineer in the Raleigh, NC area. My main interests are Unix, VMware, and networking. More about me, and how I got started.

Categories

Site Feeds