How To Flush DNS Cache on Linux and Windows?

omid Server September 5, 2022
The DNS cache may fail for various reasons, including network attacks or various types of viruses. When this happens, the IP address becomes problematic for certain popular websites. For example, instead of going to www.google.com,…
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How to Use Fail2ban to Secure SSH on CentOS 7

omid CentOS September 4, 2022
This tutorial will teach you how to install Fail2Ban on CentOS 7. One of the best ways to increase the security of your CentOS 7 server is to install this tool. No server is completely…
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How to Set DNS Nameserver on Ubuntu 20.04

omid Domain, Ubuntu September 4, 2022
DNS translates text-based domain names into numeric IP addresses. By default, most networks are configured to work with the DNS servers provided by the Internet service provider. However, you can change the DNS Nameserver using…
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How To List Hard Disk Drives on Linux?

omid Linux September 4, 2022
If you are a server administrator, you should check the status of your disks. For example, by listing the disks, you can find out whether their space is full or empty. Basically, whenever your disk…
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How to Change Login Screen Background of Ubuntu

omid Ubuntu September 3, 2022
The background of the Ubuntu login page is not something we pay much attention to. However, you may be tired of the static image of this section and want to change it. You may think…
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5 Useful Performance and Network Monitoring Tools for Linux

omid Linux September 3, 2022
If you are a SysAdmin dealing with Linux operating system, you need to have useful monitoring tools to monitor your system performance. Linux monitoring tools are very important in the work of a system administrator…
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cPanel free SSL activation and automatic renewal

omid cPanel September 3, 2022
With the emergence of websites and expanding activities in the web space, Internet users are looking for websites that provide their security well. One of the ways that internet website owners can ensure the security…
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How To Restart An Ubuntu Server?

omid Ubuntu September 1, 2022
The command prompt is used by most Linux users, especially SysAdmins, to perform common operations in Ubuntu. One of them is restarting your device. Restarting the computer can have various reasons. One of these is…
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How to Install Enlightenment on Ubuntu

omid Ubuntu September 1, 2022
Enlightenment is used in our system (PC/Laptop) to provide the smallest information about the system. It also offers an advanced graphical interface without compromising or slowing down performance. Enlightenment tools are used to maintain important…
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How to Change Server Name in Windows Server

omid Windows server August 31, 2022
A computer or hostname is a unique label assigned to a machine or device connected to a computer network in Windows. The hostname is automatically assigned by default. However, the server name can be changed…
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