Firefox won’t let you click “add to exception” option. Why? REDDIT post Here is how I tested on my Mac…
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Common User agents for Browser
Updated March 28 2021 If you care about your browsing privacy and avoiding being tracked by Google, Facebook, Twitter, Netflix,…
Debian common way to block IP
Here I will list out common way that I use IPtables and IPset to block IP Updated June 22, 2019…
Linux tar gz, bz2, xz comparison
In the UNIX/Linux community, traditionally, if you want to compress files, you usually use tar plus gzip compression. Later, gzip…
Fix visual studio code Mac Could not create temporary directory: Permission denied
I got this error on Mac OS 10.14 VSCode with following error messageCould not create temporary directory: Permission denied Solutions…
Visual Studio Code install Fira code fonts
Programmers use a lot of symbols, often encoded with several characters. For the human brain, sequences like ->, <= or…
Fix id_rsa permission are too open
On mac, when you copy ur backed up id_rsa from other computer, it will show an error permissions 0644 for…
How to config Nginx 1.17 support Brotli Stream
This is a note shows how I config my Debian9 Nginx 1.17.0server to support Brotli, Stream module Config files Download…
PHP7 fpm tweak for small VPS
Env: Debian9, PHP-7.3 FPMVPS: 1GB or 512 MB Ram
MySQL tweak on small VPS
How to Optimize MySQL Performance Using MySQLTuner Env: Debian9, MySQL 5.7The MySQLTuner script assesses your MySQL installation and then outputs suggestions for…