LinuxHow to View Network Card Link Speed Using ethtool in Linux
When you plug a massive server into an enterprise-grade 10-Gigabit network switch, the Linux kernel...
AppleHow to Password Protect and Encrypt PDFs Using Preview on macOS
If you need to email a highly sensitive document—such as a tax return, a medical...
GoogleHow to Use Offline Mode to Access Notes in Google Keep
Google Keep is fundamentally a cloud-based application. By default, it constantly syncs your notes, checklists,...
LinuxHow to Analyze Disk Space Using the ncdu Command in Linux
When a Linux server’s hard drive suddenly hits 100% capacity, identifying exactly which folders are...
ExcelHow to Check for Empty Cells Using the ISBLANK Function in Excel
When you are building a complex data entry form or a financial dashboard in Microsoft...
LinuxHow to Monitor File System Changes Using inotifywait in Linux
When you are managing a secure Linux server, you often need to know the exact...
LinuxHow to Kill Processes by Name Using the pkill Command in Linux
When a background service or a graphical application completely locks up on a Linux system,...
AppleHow to Resize and Scale Images Using the Preview App on macOS
When you download a stock photograph from the internet, it is often a massive, high-resolution...
ExcelHow to Calculate Exact Age Using the YEARFRAC Function in Excel
If you manage a human resources database in Microsoft Excel, you often need to calculate...
GoogleHow to Create Automatic Numbered Lists in Google Keep
Google Keep is famous for its simple, interactive checkbox lists, which are perfect for grocery...
LinuxHow to Manage the IP Routing Table Using the route Command in Linux
When a Linux server possesses multiple network interface cards (for example, one card connected to...
LinuxHow to Trace Network Routes and MTU Using tracepath in Linux
When you are attempting to diagnose a severely lagging network connection on a Linux server,...
AppleHow to Extract Objects Using the Smart Lasso in Preview on macOS
When you need to remove an unwanted background from a photograph or extract a specific...
ExcelHow to Calculate Internal Rate of Return Using XIRR in Excel
When you are evaluating the profitability of a financial investment in Microsoft Excel, the standard...
GoogleHow to Recover Overwritten Text Using Version History in Google Keep
When you are writing a long draft or taking extensive meeting notes in Google Keep,...
LinuxHow to List Connected Hardware Using the lspci Command in Linux
When you plug a new expansion card—such as a dedicated GPU, a 10Gbps network interface...
LinuxHow to View Detailed CPU Architecture Using lscpu in Linux
When you are deploying a highly intensive application (like a database server or a virtualization...