The Windows Firewall is included in every Windows operating system to keep our computer safe from bad guys. However, if you are using Windows Server 2016 in your data center, you may be using a dedicated firewall as a replacement. It is recommended to turn off the Windows firewall in that case. Disable Windows Server ... Read more
A firewall is used to keep unauthorized users from accessing files and resources on your computer. Unfortunately, the Windows firewall is not perfect and can cause harm to your computer. There is better firewall software available for windows, so you might want to turn it off and use some other software. Below are the steps to ... Read more
The firewall is the security defender of Windows operating systems. When enabled, the firewall blocks any unwanted websites or advertisements that can harm your computer system in any way. Usually, Windows Firewall has a predefined set of rules according to which it allows or restricts access to certain programs. However, you can also create your ... Read more
No one can send ping requests to your system to know whether it is alive or not when the Firewall is enabled on your Windows 10 computer system. You can enable ping by disabling the Firewall but this can prove to be very disastrous, as your PC will be exposed to external threats and malware. ... Read more
When you get the error message "system-config-firewall: command not found" on your CentOS Server while trying to configure the firewall on the shell, then the text interface version of the firewall configuration utility is missing. Install CentOS Firewall configuration tool Install it with this command: yum install system-config-firewall-tui
The current status of a Linux software raid is written to the virtual file /proc/mdstat. You can view the status on the shell easily with the cat command: cat /proc/mdstat The output will look similar to this: Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] md2 : active raid1 sda3[0] sdb3[1] 726266432 blocks [2/2] [UU] md1 ... Read more
If a process is shown with process state "D" in tools like ps or top, then it's an uninterruptable process. Example: ps axl | grep D F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND 4 104 2579 9109 20 0 5024 2116 refrig D ? 0:00 cleanup -z -t unix ... Read more
Cortana is a new feature that comes packaged with Windows 10. The Cortana feature is very similar to Siri that is found on the Apple iPhone and much like Siri, it acts as a personal assistant to you. Cortana can be accessed via the start menu search function. You can either type questions and instructions ... Read more
Windows 7 and newer versions come with a new version of the robocopy command that is able to copy files much faster then the normal copy command or copy function of the file explorer by using several simultanious threads. So if you plan to copy a large number of files, e.g. to make a backup, ... Read more
The Basic Input Output System (BIOS) is a program that is used to boot your computer system as soon as you turn it on. The BIOS controls all your input and output operations during the boot process as well as when your PC is running. Normally, users don't interact with the BIOS directly because the ... Read more