Useful tips for everyday
How do you change part of a file name? Rename multiple files at once Open File Explorer. Browse to the folder with the files to…
How do I connect to a Linux server from Mac? Connect to the server Go to Applications > Utilities, and then open Terminal. A Terminal…
What is vDSO in kernel? vDSO (virtual dynamic shared object) is a kernel mechanism for exporting a carefully selected set of kernel space routines to…
What is using port 111? Port 111 is generally called an unsecured or a security vulnerability as it provides direct and easy access to the…
How to compare file names in two different folders? Today I would like to share a macro that compares the content in two different folders…
How to extract value from a double quote? -d ‘”‘ tells cut to use a double quote as its field delimiter. -f2 tells it to…
Where is the compiled code stored? The source code which constitutes a program is usually held in one or more text files stored on a…
Can two processes share memory? Yes, two processes can both attach to a shared memory segment. A shared memory segment wouldn’t be much use if…
How do I connect my Openwrt to another router? Configuration Step 1: Change the LAN interface. Step 2: Configure and enable the wireless network. Step…
How to decompress a.gz file with gunzip? All gzip command line options are applicable gunzip. To decompress a .gz file with gunzip, pass the compressed…