linux

Linux is an open-source operating system (OS). An operating system is software that directly manages a system’s hardware and resources, like CPU, memory, and storage. The OS sits between applications and hardware and makes the connections between all of your software and the physical resources that do the work. Here, at https://blog.eduguru.in, We will discuss and solve real-life problems coming on Linux OS. We also know more interesting features of Linux here.

SQL FOREIGN KEY Constraint

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CREATE TABLE product ( category INT NOT NULL, id INT NOT NULL, price DECIMAL, PRIMARY KEY(category, id) ) ENGINE=INNODB; CREATE TABLE customer ( id INT NOT NULL, PRIMARY KEY (id) ) ENGINE=INNODB; CREATE TABLE product_order ( no INT NOT NULL AUTO_INCREMENT, product_category INT NOT NULL, product_id INT NOT NULL, customer_id INT NOT NULL, PRIMARY KEY(no), … Read more

Creating a table with auto_increment

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CREATE TABLE example_autoincrement ( id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, data VARCHAR(100) ); CREATE TABLE example_innodb ( id INT, data VARCHAR(100) ) TYPE=innodb;

copy a folder under linux server to windows server

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MS-Windows shared folder: You can share data between windows and linux system for such use : For example you would like to access MS-Windows share called //windowsserver/sharename by mounting to /mnt/win directory under Linux system. So execute these commands: mkdir -p /mnt/win mount -t smbfs -o username=winntuser,password=mypassword //windowsserver/sharename /mnt/win Next create the password file /etc/sambapasswords: … Read more

Kill Command in Linux

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kill is a shell builtin in most Bourne-derived shells such as Bash and Zsh. The command behavior is slightly different between the shells and the standalone /bin/kill executable. Use the type command to display all locations on your system containing kill: type -a kill