Updated: My four favorite macOS screensavers

Screensavers, you say? They’re more art than function these days. But, why not inject something either beautiful or useful into this mundane task of screen locking. Yes, it would be best if you still were locking your screen unless you want your four-year-old Slack messaging your co-workers. I have used a hot corner to the lower left to start my screen saver, locking the screen after a few seconds (if I accidentally trigger it)....

September 25, 2021 · 3 min · Chris Short

GNU sed on Mac OS X

Like a lot of systems folks I use sed, a lot. It is probably an unhealthy amount of sed use but so be it. I operate on a lot of Linux servers but my desktop environment of choice is Mac OS X which means BSD tools (not the Linux-y GNU tools). The differences are relatively subtle between BSD sed and GNU sed. However, most of my work is done through iTerm (a literal black box)....

June 1, 2016 · 2 min · Chris Short

Disabling Mac OS X El Capitan System Integrity Protection

Apple has introduced a new security feature in Mac OS X El Capitan (10.11) called System Integrity Protection (sometimes referred to as rootless). Enter your email I consent to receiving your weekly newsletter, DevOps'ish SUBSCRIBE   What is System Integrity Protection? According to Apple’s documentation: A new security policy that applies to every running process, including privileged code and code that runs out of the sandbox....

October 13, 2015 · 2 min · Chris Short

Mac OS X El Capitan and Junos Pulse

I had some Apple Keychain issues after upgrading to Mac OS X El Capitan yesterday. Apple provided a reasonable resolution (blow away the login Apple Keychain and re-create it). As it turns out, my issues weren’t limited to just the El Capitan upgrade. The Juniper Networks' VPN client, Junos Pulse, has some pretty awful issues. Enter your email I consent to receiving your weekly newsletter, DevOps'ish SUBSCRIBE   The behavior went something like this:...

October 6, 2015 · 1 min · Chris Short

Mac OS X El Capitan: Keychain Issues

I started having some Apple Keychain issues after upgrading to Mac OS X El Capitan. At random, I would be asked to sign back into accounts that I am logged into through Internet Accounts in System Preferences. Enter your email I consent to receiving your weekly newsletter, DevOps'ish SUBSCRIBE   I thought it a minor issue but it became unavoidable though once El Capitan told me it couldn’t find my login Apple Keychain after logging in:...

October 5, 2015 · 2 min · Chris Short