Bought 1Password account and found a 20% off coupon code. The code is:
Since updated to El Capitan, many things went wrong. Last time screen was blurry, now camera does not work. The symptom is camera is not recognized in FaceTime, in QuickTime Video recording, and in any video recorder app. So a little search online gives the solution:
Recently I updated my MacBook Pro to El Captain, and I don't like El Captain. One major thing I noticed is the screen went blurry. Text and everything. My Mac does not have retina display, and yet it looked fine when I still had Yosemite. Well, not saying Yosemite was good either, but it was at… Continue reading Mac El Capitan: Blurry Display Issue
04/13/2017 Update: StartSSL's certificate is currently distrusted by Chrome and Firefox. So avoid using it! Instead use Let's Encrypt (tutorial here to switch to them). This is a simple log in case I forget the steps, it may or may not help you. A good thing about StartSSL is now they support up to 5 subdomains under the… Continue reading Setting Up SSL Certificate for Website
So I have a VPS with about 700MB RAM but the available is < 100MB. Today when I do yum update I got the error saying xxxx: [Errno 5] [Errno 12] Cannot allocate memory So I solved this by update everything one by one using the following command:
Found an awesome website: https://exploit-exercises.com/
This is a tip for people who don't care about $3. I got the Project Fi sim card a while ago, but I got a very stupid number that I don't like. So I figured, since we could port our number to Project Fi, we should be able to find us a good number somewhere,… Continue reading Project Fi Phone Number Tip
There are many application-level protocols in networks. There are File Transfer Protocols like ftp, scp, and sftp. There are Mail Protocols like smtp, pop, and imap. There are Web Protocols like http 1.0, 1.1, and 2.0. And there are many more. But they are not that secure.