UX Techno

How to Change Linux I/O Scheduler

January 4, 2016 By admin 1 Comment

Linux I/O Scheduler is a process of accessing the block I/O from storage volumes. I/O scheduling is sometimes called disk scheduling. Linux I/O scheduler works by managing a block device’s request queue. It selects the order of requests in the queue and at what time each request is sent to the block device. Linux I/O Scheduler manages the request queue with the goal […]

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how to change the linux login banner

September 8, 2015 By admin Leave a Comment

How to change the ssh banner for the linux system. Adding customized Linux login banner on the Linux system adds protection on the legal front & also it acts as the warning information to the user. This banner is shown to the user before the user logged into the system/OS. Since by default system does […]

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Simple trick to secure server for added security

September 6, 2015 By admin 3 Comments

You always need to think in terms of how can we secure server so that it will not be targeted by the hacker. Here is the simple trick is to restrict users in ssh configuration to secure the server. By default ssh configuration accepts all the users to the server, that’s the biggest loop hole in […]

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How to secure ftp port.

August 30, 2015 By admin Leave a Comment

secure ftp port: Making the secure ftp port is more important as you already know that vsftpd use default port 21 for making the connection with the server. So anybody (hacker) can try with the same port for connecting to server. But what if he/she doesn’t know the port for vsftpd for connection, yes off […]

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How to recover forgotten root password in Linux.

August 12, 2015 By admin Leave a Comment

You will be in the big trouble when dis-remember the root password. Only way to recover forgotten root password is to boot the server in single user mode to change the root password. Here is practical way of doing it. 1. Reboot the server with following combination when the system asks for username & password […]

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Simple trick to add more security with ssh configuration.

August 9, 2015 By admin Leave a Comment

ssh configuration trick to add more security. You already know that ssh use default port 22 in ssh configuration for making the connection with the server. So anybody (hacker) can try with the same port for connecting to server. But what if he/she don’t know the port for ssh for connection, yes off course then […]

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Quick way to configure telnet service.

August 8, 2015 By admin Leave a Comment

Configure telnet service We know that SSH service is more secure than telnet, however sometime we need to configure telnet service on the server for connecting remotely to the server. So let’s move on to the practical way to configure telnet service. 1. Install the service using yum server. you need to have yum server […]

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How to configure password less ssh login.

August 4, 2015 By admin 2 Comments

Connecting from one server to another server often asks the password before making connection. Also it asks the password while copying the data using scp command. This creates issue while automating the tasks using shell script. So to avoid the problem we need to configure the password less ssh login between the two servers/systems. So […]

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