Useful tips for everyday
How does PHP exec work? The exec() function is an inbuilt function in PHP which is used to execute an external program and returns the…
What does red in ls mean? Bold green: executable file. Bold red: archive file. Bold magenta: image file, video, graphic, etc. or door or socket.…
How do I know if my IP address is blocked? You can check if the Zscaler service is blacklisting service access from an IP address…
How do I compare two files in checksum? The most common way to verify that you have received or downloaded the proper file is to…
How do I allow permission to share a network? Setting Permissions Access the Properties dialog box. Select the Security tab. Click Edit. In the Group…
How does the shell execute commands? The basic shell operation is as follows. The shell parses the command line and finds the program to execute.…
How do I change my grub2 password? Trying to set up a password so that the Grub menu can’t be edited without authentication. grub2-mkpasswd-pbkdf2. Enter…
Why is my ACPI BIOS not working properly? If you experience a problem that might be related to this message, give more precision; otherwise, there…
Why does my cursor move on its own while typing? Cursor Moves on its own – When typing, sometimes the cursor jumps to another location.…
How do you use keyboard mapping? To assign or reassign a key to a function: Start from a host session window. Click Edit > Preference…