How to enlarge CentOS 7 persistent disk size in Google Cloud

Update Disk Size

Update Partition Size

Update Volumn Size

OR

References

Auto Launch Chrome in Kiosk Mode/Fullscreen Mode with specified URL on macOS Startup

Setup Steps:

  1. Start Automator.app
  2. Select Application
  3. Click Show library in the toolbar (if hidden)
  4. Add Run shell script (from the Actions/Utilities)
  5. Paste the script into the script window
  6. Test run
  7. Save somewhere (for example you can make an Applications folder in your HOME, you will get an your_name.app)
  8. Go to System Preferences -> Accounts -> Login items
  9. Add this app
  10. Try reboot

Kiosk Mode Script

Fullscreen Mode Script

References

Install and Secure Redis on CentOS 7

 

Redis Installation

Add the EPEL repository, and update YUM

 

Install Redis

 

Start Redis and setup automatically start Redis on boot

 

Verify the Installation

If Redis is running, it will return: PONG

 

Redis Configuration

Password settings

find and uncomment the requirepass line in the configuration file, and replace master_password with a secure password

 

Firewall settings

 

Local Benchmark Test

 

Check Redis Version

 

Setup PHP session to Redis

 

 

Install wkhtmltopdf & wkhtmltoimage to CentOS with Chinese & Asian fonts support

Install dependencies

 

Install wkhtmltopdf and wkhtmltoimage

p.s. you can find more versions in the following link:

https://github.com/wkhtmltopdf/wkhtmltopdf/releases

 

Install  Chinese & Asian fonts support

 

References

https://wkhtmltopdf.org/

Add swap to CentOS without reboot

Add 4G swap

 

How to encrypt and decrypt .cpt file

What is .cpt extension?

.cpt is a encrypted file format, you can use ccrypt to create and decrypt .cpt file

 

How to encrypt and decrypt .cpt file

Encrypt a file

Decrypt a file.

 

How to install ccrypt

Install ccrypt on CentOS

Install ccrypt on Debian/Ubuntu

 

Install MySQL-Python (MySQLdb) on macOS

MySQLdb is an thread-compatible interface to the popular MySQL database server that provides the Python database API.

Standard Installation

 

EnvironmentError: mysql_config not found

You need install mysql and link, before install MySQL-Python