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Displaying posts with tag: cli (reset)
Create Aurora Read Replica With AWS CLI/Lambda Python

Today I was working for a scaleable solution in Aurora. Im going to publish that blog post soon in Searce Blog. As a part of this solution, I want to create Aurora read replicas programmatically. So we have done the create aurora read replica with AWS CLI and Lambda with Python. If you refer the …

The post Create Aurora Read Replica With AWS CLI/Lambda Python appeared first on SQLgossip.

Create Aurora Read Replica With AWS CLI/Lambda Python

Today I was working for a scaleable solution in Aurora. Im going to publish that blog post soon in Searce Blog. As a part of this solution, I want to create Aurora read replicas programmatically. So we have done the create aurora read replica with AWS CLI and Lambda with Python. If you refer the AWS Doc, they mentioned there is no separate module for creating Aurora Read replica in boto3 or cli. Instead we can use create-db-instance. Many people may confused with this term. This blog will help them to create aurora read replicas using AWS CLI and Lambda.

Required Permission:

If you are running this code via lambda then you can use the below policy.

  • Lambda - Create a new role for lambda and attach inline policy
  • EC2 Role - Create a new …
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MySQL Shell with Command Completion

MySQL ShellCLI Interfaces are usually boring, ASCII-ish functional interfaces that are as about as exciting as paint drying or end user license agreements for your rice steamer. They get the job done but no excitement. The new MySQL Shell (mysqlsh instead of mysql at the command line is a great new tool but like its predecessor it is not exactly visually dynamic.

Until Now.

At labs.mysql.com there is a new version of the MySQL Shell that adds some new functionality and some visual enticements. I was in a session at Oracle OpenWorld and was impressed by not only the visually stunning upgrade but by the fact that we now get command auto-completion!

You can login as you did with the old shell but then you see that little bit …

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How to Configure Aurora RDS Parameters

In this blog post, we’ll look at some tips on how to configure Aurora RDS parameters.

I was recently deploying a few Aurora RDS instances, a process very similar to configuring a regular RDS instance. I noticed a few minor differences in the way you configure Aurora RDS parameters, and very few articles on how the commands should be structured (for RDS as well as Aurora). The only real literature available is the official Amazon RDS documentation.

This blog provides a concise “how-to” guide to quickly change Aurora RDS parameters using the AWS CLI. Aurora retains the parameter group model introduced with RDS, with new instances having the default read only parameter groups. For a new instance, you need to create and allocate a new parameter group (this requires a DB reboot). After that, you can apply changes to …

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My MySQL command prompt

Earlier this week we had a discussion with fellow DBAs about our mysql prompts, and at the end of the day it showed up, that a lot of us hit the same problem. The problem is, that when you set up your mysql prompt then ‘\h’ will be resolved to ‘localhost’ when you connect locally […]

My MySQL command prompt

Earlier this week we had a discussion with fellow DBAs about our mysql prompts, and at the end of the day it showed up, that a lot of us hit the same problem. The problem is, that when you set up your mysql prompt then ‘\h’ will be resolved to ‘localhost’ when you connect locally […]

The way I like to compile my Go programs – Makefile

I was on the quest of searching the Holy Grail of Go programming, and I found something, which I doubt that it is, but close enough – for the first sight.

I have several problems with GO, first, that I write my code on an OSX box, and I’ll run the programs on Linux hosts, so I have to solve the cross compilation; my second problem with Go, that I don’t really like the “There is a GO project folder, and all the GO projects are relying on” approach. It makes using GitHub painful.

The first problem of mine is easily achievable since GO 1.5: we only need a GOOS environment variable and we can compile to different OS-es (see more at Dave Cheney: http://dave.cheney.net/2015/08/22/cross-compilation-with-go-1-5) easily.

The second problem is easily solvable too, just we have to start using the GOPATH variable for every GO project we have.

I don’t really want to use any external dependencies, so I decided to …

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My work environment

I was thinking if my work environment would be interesting or not, but I decided ‘yes’ – because I always like reading about others work env.

I am working with Linux/UNIX for more than 15 years now, and I have tried a lot of cool tools, but at the end, I always found myself using the same apps in terminal.

I like the unix philosophy about Do One Thing and Do It Well. I never really use big, bloated software, I like to use my editor for editing files, and my git client to use git. That’s simple.

Normally I work from a mac, but I have an installed linux based backup environment too, on a remote server which can be accessed via ssh.

The basic tool for me is iTerm2. The main features I use are split pane (cmd+D vertical, cmd+shift+D horiontal) and broadcast input (cmd+shift+I). I also like that it can be switched to fullscreen with cmd+enter. In …

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Diagnosing problems with SQL imports

Importing a text file containing a list of SQL commands into MySQL is a straightforward task. All you need to do is simply feed the file contents through pipe into MySQL command line client. For example: mysql app_production < dump.sql.

The reasons for doing such imports can be very different - restoring MySQL backups created with mysqldump, manually replaying binary log events or performing database migrations during software roll-outs.

While the task is simple, the import may not end successfully and when this happens, how to tell what the problem was?

MySQL errors

Whenever database hits an error, MySQL produces an error message that describes the problem and the import process stops immediately. If the message is not clear enough, you can always refer to the reported line number, which is the line number inside the source SQL file. This way you can locate the precise command or query that …

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MySQL CLI Hidden Gems

I am sure any of you that have used MySQL in the past have used the MySQL Command-Line tool (CLI). Here we will explore some of the less used CLI features that you may or may not be aware of.

Edit: In hindsight I should of called this post something like MySQL CLI Hiding Gems or Lesser Known Gems. These tools aren’t strictly hidden just not often used or mentioned.

System commands
You can use the system command to exectute shell commands without leaving the CLI


mysql> system whoami
sam
mysql> system echo "Hello World"
Hello World
mysql> system uname
Darwin

The same can be done with \! instead of system.

Logging to file
The tee (\T) command can be used to specify an output file to log CLI output to.

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