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Day: December 15, 2022

Find String and Remove the Line which contains that String using shell

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To search for a word and remove the entire line containing that word in the Bash shell, you can use the grep and sed commands together. grep is a command-line utility that searches for text patterns in input, while sed is a stream editor that can perform text transformations on input.

For example, to search for the word “foo” and remove any lines containing that word from a file named input.txt, you can use the following command:

				
					$ grep -v foo input.txt | sed '/^$/d'

This command will first use grep to search for lines in input.txt that do not contain the word “foo” (the -v option inverts the match). The output of grep will be piped to sed, which will remove any blank lines from the output using the /^$/d regular expression.

This command will not modify the original input.txt file. If you want to save the output to a new file, you can redirect the output to a file like this:

				
					$ grep -v foo input.txt | sed '/^$/d' > output.txt

This will save the output of the grep and sed commands to a new file named output.txt. You can then use this file as input for other commands or operations.

mysqldump With Remote Host

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To dump a remote MySQL database, you can use the mysqldump command-line utility. This utility is included in the MySQL server package and can be used to create backups of databases or to transfer data between MySQL servers.

To dump a remote MySQL database, you will need to connect to the remote server using the mysql command-line client. You can do this by running the following command, replacing user and password with the appropriate MySQL username and password:

				
					$ mysql -u user -p password

Next, you can use the mysqldump utility to dump the database. For example, to dump the mydb database to a file named mydb.sql, you would run the following command:

				
					mysqldump -u user -p password mydb > mydb.sql

This will create a SQL file containing the data and structure of the mydb database. You can then transfer this file to your local machine and import it into your local MySQL server using the mysql command-line client.

It’s important to note that the mysqldump utility can be resource-intensive, so it’s not recommended to use it on a production database unless you have a specific reason to do so. In most cases, it’s better to use a replication or backup solution that is designed for this purpose.

NetSuite Oracle

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NetSuite is a cloud-based enterprise resource planning (ERP) software developed by Oracle Corporation. It provides applications for managing business operations and customer relationships, including financials, accounting, orders, inventory, and e-commerce.

NetSuite was initially developed by NetLedger, a software company founded by Evan Goldberg in 1998. In 2016, it was acquired by Oracle Corporation and is now part of the Oracle Cloud product line.

NetSuite is designed for businesses of all sizes and industries. It offers a range of features and modules that can be customized to meet the specific needs of each organization. It is a popular choice for companies looking to move to the cloud and integrate their business operations in a single, scalable platform.

NetSuite is part of Oracle’s cloud-based software-as-a-service (SaaS) offerings and is available on a subscription basis. It can be accessed from any device with an internet connection and offers seamless integration with other Oracle products and services.

The exact list of modules available in NetSuite will vary depending on the specific subscription plan and the customizations made by each individual customer. However, here is a general list of some of the modules that are commonly included in NetSuite:

  • Financial Management Includes accounting, financial planning, and financial reporting modules.
  • Order Management: Allows businesses to manage sales orders, quotes, and returns from a single platform.
  • Inventory Management: Provides tools for tracking inventory levels, stocking levels, and fulfilment.
  • E-commerce: Includes a shopping cart and website, as well as tools for managing product listings and orders.
  • Customer Relationship Management (CRM): Provides tools for managing customer interactions, including marketing, sales, and support.
  • Human Resources Management: Allows businesses to manage employee records, benefits, and performance.
  • Project Management: Provides tools for managing projects, including task assignments, scheduling, and budget tracking.

This is just a tiny sample of the modules available in NetSuite. Depending on your business’s specific needs, additional modules may be available to help you manage other aspects of your operations. You can learn more about NetSuite’s specific modules and features by visiting the Oracle website.

 
 
 

 

MariaDB Free ?

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MariaDB is a free and open-source relational database management system that is a fork of the MySQL database. It is named after the developer’s daughter, Maria, and is known for being a drop-in replacement for MySQL, meaning that it can be used as a substitute without requiring any changes to applications that use MySQL. MariaDB is used by many popular websites and applications, including Wikipedia and WordPress.

MariaDB is released under the GNU General Public License (GPL), which means that it is free to use and distribute. It is developed and maintained by the MariaDB Foundation, a non-profit organization that provides support and resources for the MariaDB community.

In addition to being free and open-source, MariaDB offers many benefits over MySQL, including improved performance, better security, and a more active and responsive development community. It is also compatible with a wide range of platforms and is supported by many hosting providers.

If you’re looking for a free and open-source database management system, MariaDB is a great option to consider. You can download it from the MariaDB website, and the MariaDB Foundation provides extensive documentation and support resources to help you get started.

Deploy MongoDB on Kubernetes

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To deploy MongoDB on Kubernetes, you can use the official MongoDB Helm chart. First, add the MongoDB Helm repository to your local Helm client:

				
					$ helm repo add mongodb https://charts.mongodb.org

Next, update your local Helm chart repository:

				
					$ helm repo update

Now you can install the MongoDB Helm chart with a command like this:

				
					$ helm install my-mongodb mongodb/mongodb

This will create a deployment named my-mongodb using the default configuration values specified in the chart. You can customize the deployment by specifying additional options on the command line or in a values file.

To access the MongoDB deployment from other applications, you will need to create a Kubernetes service that exposes the deployment. This can be done with the kubectl command-line tool:

				
					$ kubectl expose deployment my-mongodb --type=LoadBalancer --name=my-mongodb-service

This will create a load-balancer service that can be used to access the MongoDB deployment. You can find the service’s IP address and port by running kubectl get services.

It’s important to note that this is just a basic example of how to deploy MongoDB on Kubernetes. In a production environment, you will need to carefully consider factors such as scalability, availability, and security when designing your deployment.

MySQL New Database

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To create a new database in MySQL, you can use the CREATE DATABASE statement. This statement allows you to specify the name of the database and other optional parameters such as the character set and collation.

Here is an example of how to create a new database named mydb:

				
					CREATE DATABASE mydb;

You can also specify the character set and collation for the database, as shown in the following example:

				
					CREATE DATABASE mydb
  CHARACTER SET utf8mb4
  COLLATE utf8mb4_unicode_ci;

Once the database has been created, you can use the USE statement to switch to the new database and start creating tables and inserting data. For example:

				
					USE mydb;

For more information and examples of how to create a new database in MySQL, please refer to the MySQL documentation.