Skip to main content

Apple TV Gen4

AppleTV Gen4

To force restart Apple TV: press and hold both Menu and Home buttons for about 10 seconds, when the white light on the Apple TV box begin flashing, release all buttons.

Popular posts from this blog

Powershell: Enable Firewall Log

We sometimes need to enable Windows firewall's log to troubleshoot. Here is how.

Powershell: head and tail command

Use head or tail to skim the first or last 5 lines.

MySQL: Notes

Ways to check MySQL version mysql --version mysql -V dpkg -l 'mysql-sever' mysql -u root -p How to check MySQL version: mysql --version Database folder On Microsoft Windows, by default, MySQL save databases in this folder: %ProgramData%\MySQL\MySQL Server 5.5\data Check databases' size SELECT table_schema AS "Database name", SUM(data_length + index_length) / 1024 / 1024 AS "Size (MB)" FROM information_schema.TABLES GROUP BY table_schema; Export database schema $ mysqldump -u root -p --no-data wordpress1001 > c:\backup\schema-wordpress1001.sql Enter password: **************** Create a dedicated user to backup databases Give credit to: http://www.fromdual.com/privileges-of-mysql-backup-user-for-mysqldump Create dedicated mysql user and grant privileges to run backup $ mysql -u root -p CREATE USER 'backupdb'@'localhost' IDENTIFIED BY 'passwordhere'; GRANT SELECT,SHOW VIEW,RELOAD,REPLICATION CLIENT...