Usually all servers need to be reboot mannually instead of do it automatically because we need to make sure all services are online after reboot. I cannot find Download only option on GUI Windows Update Settings on Windows Server 2016. But we can run command sconfig with admintrators privilege to change it.

What is generator in Python?

• A simple way of creating iterators
• A function with yield statement instead of return statement. It can have mutilple yield statements.
• Iterator methods __iter__() and __next__() are implemented automatically.
• yield statement pauses the function saving all its states and later continues from there on successive calls.
• When called, it returns an object (iterator) but does not start execution immediately.

Consider writing unit tests:

Two useful links about coding principles:

• The Principles Of Good Programming
• From STUPID to SOLID Code!

Temperary to change as Function key

Hold Search key and press keys

Problem 1

• Error Message

  Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: ‘log event entry exceeded max_allowed_packet; Increase max_allowed_packet on master; the first event ‘binlog.000201’ at 5480571
  

• Install NFS Server. Server and client install same pacakge nfs-utils.

  sudo yum install nfs-utils
  

Return top 10 records from each section in one query. Section is some of columns in the table.

I run into this error and found the solution at https://itsfoss.com/failed-to-start-session-ubuntu-14-04/

• Backup docker image to tar a tar file

  docker save -o <path to image tar file> <image name>
  

• Copy to another machine
• Load image from tar file

  docker load -i <path to image tar file>