Wednesday, June 29, 2016

git notes


Git, delete all deleted files

# git rm $(git ls-files --deleted)

Switch to other branch

# git branches
  Master
  Dev1
* Dev2

# git checkout Master
Branch Master set up to track remote branch Master from origin.
Switched to a new branch 'Master'

# git branches
* Master
  Dev1
  Dev2

Tuesday, June 28, 2016

Mysql / MariaDB check tables engine


SELECT TABLE_NAME FROM information_schema.TABLES WHERE TABLE_SCHEMA = 'dbname' AND engine = 'MyISAM';


Where dbname - database name
And InnoDB - engine, you can use InnoDB


Convert MyISAM tables to InnoDB

SELECT CONCAT('ALTER TABLE ', TABLE_SCHEMA, '.', TABLE_NAME,' ENGINE=InnoDB;')
FROM Information_schema.TABLES WHERE TABLE_SCHEMA = 'DBNAME' AND ENGINE = 'MyISAM' AND TABLE_TYPE = 'BASE TABLE'

Then run result as SQL query

For example:

 ALTER TABLE databasename.tablename ENGINE=InnoDB;

grub2-install: error: disk `mduuid/e54081d398c6d57b4d67436f6d032162' not found

After raid 1 disk replacement faced with this issue # grub2-install /dev/sdb Installing for i386-pc platform. grub2-install: error: disk `md...