DevOps Technology Blog | Azure DevOps Services, Team Foundation Server, Amazon Web Services and Microsoft Azure

How to create and push docker images to Amazon Elastic Container Registry?

by XDK 31. August 2019 10:39

Explanation:

Open ECR option in Amazon Console Management.

Note: Click on "View Push Commands" to get the command help.

Retrieve the login command to use to authenticate your Docker client to your registry.
Use the AWS CLI: How to install & configure AWS CLI?
$(aws ecr get-login --no-include-email --region us-east-1)

Note: If you receive an "Unknown options: --no-include-email" error when using the AWS CLI, ensure that you have the latest version installed. Learn more
Build your Docker image using the following command. For information on building a Docker file from scratch see the instructions here . You can skip this step if your image is already built:
ubuntu@ip-172-31-43-31:~$ docker build -t xdkrepo/helloworld .

After the build completes, tag your image so you can push the image to this repository:
ubuntu@ip-172-31-43-31:~$ docker tag xdkrepo/helloworld:latest 565903328921.dkr.ecr.us-east-1.amazonaws.com/xdkrepo/helloworld:latest

Run the following command to push this image to your newly created AWS repository:
ubuntu@ip-172-31-43-31:~$ docker push 565903328921.dkr.ecr.us-east-1.amazonaws.com/xdkrepo/helloworld:latest

Tags:

Amazon Web Service | Docker

How to uninstall docker on ubuntu?

by XDK 28. August 2019 22:11

Explanation:

To uninstall docker

sudo apt-get purge docker-ce
sudo rm -rf /var/lib/docker
Note: The output of the below command will provide you with information the installed package software, version, architecture and short description about the package. grep command is used to find the docker package
sudo dpkg --get-selections | grep docker | cut -f 1
sudo apt-get remove --purge <package name from the previous command output>
sudo whereis docker
sudo rm -rf <directory/file path from the previous command output>

Tags:

Amazon Web Service | Azure DevOps Services | Docker | Microsoft Azure Services

How to uninstall PHP, Apache and MySQL on ubuntu?

by XDK 26. August 2019 09:48

Explanation:

To uninstall PHP

sudo apt-get remove –purge php*
sudo apt-get purge php*
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get remove dbconfig-php
sudo apt-get dist-upgrade
Note: The output of the below command will provide you with information the installed package software, version, architecture and short description about the package. grep command is used to find the PHP package
sudo dpkg --get-selections | grep php | cut -f 1
sudo apt-get remove --purge <package name from the previous command output>
sudo whereis php
sudo rm -rf <directory/file path from the previous command output>

To uninstall Apache

sudo service apache2 stop
sudo apt-get purge apache2 apache2-utils apache2.2-bin apache2-common
sudo apt-get autoremove
The output of the below command will provide you with information the installed package software, version, architecture and short description about the package. grep command is used to find the MySQL package
sudo dpkg --get-selections | grep apache | cut -f 1
sudo apt-get remove --purge <package name from the previous command output>
sudo whereis apache
sudo rm -rf <directory/file path from the previous command output>

To uninstall MySQL

sudo apt-get remove –purge mysql*
sudo apt-get purge mysql*
sudo apt-get autoremove.
sudo apt-get autoclean.
sudo apt-get remove dbconfig-php.
sudo apt-get dist-upgrade.
The output of the below command will provide you with information the installed package software, version, architecture and short description about the package. grep command is used to find the MySQL package
sudo dpkg --get-selections | grep mysql | cut -f 1
sudo apt-get remove --purge <package name from the previous command output>
sudo whereis mysql
sudo rm -rf <directory/file path from the previous command output>

Tags:

MySQL | Operating Systems | PHP | Apache

What are types of package management tools in OS?

by XDK 26. August 2019 08:55

Explanation:

Tags: , , , , , ,

Operating Systems

ERROR 1045 (28000): Access denied for user 'root'@'10.0.1.14'

by XDK 23. August 2019 21:24

Explanation:

The mention exception occurred while granting privileges to the MySQL instance database.

Exception:

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'10.0.1.14';
ERROR 1045 (28000): Access denied for user 'root'@'10.0.1.14' (using password: YES)

Solution:

Login to the data tier where MYSQL server --> Login to MYSQL --> Execute the following steps.

        ubuntu@ip-10-0-2-227:~$ sudo mysql -u root -p

        mysql> select current_user();
        +----------------+
        | current_user() |
        +----------------+
        | root@localhost |
        +----------------+
        1 row in set (0.00 sec)

        mysql> SELECT host,user,Grant_priv,Super_priv FROM mysql.user where user = 'root';
        +-----------+------+------------+------------+
        | host | user | Grant_priv | Super_priv |
        +-----------+------+------------+------------+
        | localhost | root | Y | Y |
        | 10.0.1.14 | root | N | Y |
        +-----------+------+------------+------------+
        2 rows in set (0.00 sec)

        mysql> UPDATE mysql.user SET Grant_priv='Y', Super_priv='Y' WHERE User='root';
        Query OK, 1 row affected (0.00 sec)
        Rows matched: 2 Changed: 1 Warnings: 0

        mysql> SELECT host,user,Grant_priv,Super_priv FROM mysql.user where user = 'root';
        +-----------+------+------------+------------+
        | host | user | Grant_priv | Super_priv |
        +-----------+------+------------+------------+
        | localhost | root | Y | Y |
        | 10.0.1.14 | root | Y | Y |
        +-----------+------+------------+------------+
        2 rows in set (0.00 sec)

        mysql> FLUSH PRIVILEGES;
        Query OK, 0 rows affected (0.00 sec)

  • Try again

        mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'10.0.1.14';

 

Tags:

MySQL

About the author

My name is Xavier Dilip Kumar Jayaraj having 13+ years of IT experience which includes solid experience and depth Knowledge in Application Life Cycle Management, Configuration Management, Implementation and Support using TFS on-premises and Azure DevOps. I have invested in gaining DevOps knowledege to expertise with Cloud Computing providers namely Microsoft Azure and Amazon Web Services in recent years. I am very positive to learn and adapt emerging technologies to client’s environment.

Disclaimer

The information provided here is based on my expreriences, troubleshooting and online/offline findings. It can be used as is on your own risk without any warranties and I impose no rights.

Quotes I Like

"Failure will never overtake me if my determination to succeed is strong enough."  - Dr. APJ. Abdul Kalam

"Always be yourself, express yourself, have faith in yourself, do not go out and look for a successful personality and duplicate it." - Bruce Lee

"Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important." - Bill Gates

"Innovation distinguishes between a leader and a follower." - Steve Jobs

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