If you want to create hash of file in windows, this article will provide necessary information for you. You have an important file and you …

If you have more than one server you manage and if you connect to multiple servers with ssh and run single command on multiple linux …

If you are using Linux and want to securely connect to servers without using a username password, you can create a ssh key and connect …

In this article, we will see how to create a user in Centos and how to grant root privileges to a user in Centos. How …

This article contains information about revoke command usage in PostgreSQL. You may want to revoke permissions of users. In this case, you can use the …

In this article, we will upgrade PostgreSQL 11 to 12. If you want to upgrade PostgreSQL 10 to 11 you should read the article “Upgrade …

Suppose that we created a table in the database by following the normalization rules for our application. However, we realized that the data type of …

In some cases, sessions are blocked in databases. There are many reasons for blocking. In this article, I will not go into details of this …

If you are using SQL Server Database Mail, your msdb database can grow undesirably. We can use the msdb.dbo.sysmail_delete_mailitems_sp procedure to clear Database Mail History. …

First of all, upgrade is an important task. Before upgrading, you must check your database is ready to upgrade with the help of Database Migration …