fighting the lack of good ideas
After running my new server for a while, I was noticing an unusually-high level of bogus email arriving in my inbox – mail that was being spoofed to look like it was coming from myself (to myself). After a great deal of research, I learned there is a component of the DNS specification that allows…
continue “turn on spf filtering with postfix and centos 7” »
A few years ago, I ran into a known issue with one of the products I use that manifests when the Red Hat Linux server it’s running on has a low entropy pool. And, as highlighted in that question, the steps I found 5 years ago didn’t work for me (turns out modifying the t…
Spurred by a recent question from an acquaintance in town, I asked on Google+ whether or not you can enable emailed notifications for a Community. This led to the elaborate Settings page for G+. It turns out that if you combine enabling a Community’s “Community notifications” (under the specific Community’s settings (which you find by…
continue “how to turn a google+ community into a quasi “mailing list”” »
Several months ago, I wrote-up a brief how-to on just showing the most recent news feed on Facebook. I added a new Chrome extension today that helps speed-up your Facebook experience – Facebook Flat. It makes your Facebook views “flat” from a design perspective (no pun intended, but the extension falls a little flat when…
After moving to a new server, I wanted to finally get ownCloud up and running (over SSL, of course) on it. And I like subdomains for different services, so I wanted to put it at sub.domain.tld. This turns out to be not as straight-forward as one might otherwise hope, sadly – ownCloud expects to be…
continue “putting owncloud 8 on a subdomain instead of a subdirectory on centos 7” »
In my how-to for Let’s Encrypt, I gave an example script that can be called via cron (or manually) which will renew Let’s Encrypt SSL certificates under CentOS 6. If you want to do it on CentOS 7 (which is what I am now running), use the following: cd ~/letsencrypt git pull systemctl stop httpd.service…
continue “automated let’s encrypt ssl certificate renewal on centos 7” »
In similar fashion to what I wrote about for OS X last year, and spurred by this article from Microsoft, here is my brief guide for doing the same on Windows 10. Click your Notifications button near the clock. Now click All Settings And you’ll see this Click Personalization, then Lock Screen. Select “Slideshow” from the…