Safe mode in Windows is used to troubleshoot and fix the operating system in case of various failures. When started in Safe Mode, Windows boots with a minimal set of system services and drivers.
Continue reading “How to Start Windows Service in Safe Mode?”
After installing Windows guest in a virtual machine on a KVM host, you must install the correct device drivers for virtual hardware (KVM VirtIO drivers). Without these drivers, guest Windows won’t be able to recognize virtual network adapters and a number of other virtual hardware.
Continue reading “Installing KVM VirtIO Drivers in a Windows Virtual Machine”
The automatic registry backup feature has been enabled in all Windows 10 builds up to 1803. Registry files were automatically backed up with a scheduled task to the %windir%\System32\config\RegBack folder.
Continue reading “Enable Automatic Registry Backup on Windows 10”
Before changing the HBA queue depth settings on a VMware ESXi host, check which HBA module is loaded. Connect to your ESXi server via SSH and run the command:
Continue reading “How to Change the HBA Queue Depth on VMware ESXi?”
Let’s look at how to send an email notification when logging into a Linux server remotely via SSH. We’ll use postfix to send email alerts and the Gmail SMTP server as a relay host.
In this article, we’ll show you how to clone (copy/migrate) an installed Linux operating system to another (new) drive. The article shows the process of cloning Debian or Ubuntu, but it also applies to Red Hat/CentOS/Fedora Linux distros.
Continue reading “Cloning Linux Installation to Another Disk”
Most modern computers and laptops released after 2016 already have a built-in TPM chip. TPM (Trusted Platform Module) is a special chip used as secure storage for encryption keys, passwords, and certificates. TPM can be used for various security apps such as key vault, secure boot, random number generation, etc. Let’s see how to check if a device has a TPM chip in Linux.
Continue reading “How to Check if Your Linux Device Supports TPM 2.0?”
In this article, we’ll look at how to check for Bluetooth adapters on a Linux computer or laptop, and how to find out the Bluetooth version.
Continue reading “Check Bluetooth Adapter Version and Status on Linux”
Let’s see how to fix the “MySQL server has gone away” error that appears when accessing MySQL Server.
The most common causes of the MySQL server has gone away error are:
OpenVPN allows you to allow multiple concurrent user connections with the same certificate. To do this, the duplicate-cn option is used in the server.conf configuration file.
Continue reading “OpenVPN: Allow/Deny Multiple Connections Per User (Certificate)”
