35 Practical Examples of Linux Find Command
The Linux find command is one of the most important and frequently used command-line utilities in Unix-like operating systems. The find command is used to search for and locate a list of files and directories based on the conditions you specify, matc
Jun 13, 2025 am 09:37 AM
Data Breaches 2018: The Biggest of the Year
Currently, there are over 4 billion internet users in the world. Most of these people create accounts on various platforms hoping for a smooth and enjoyable experience chatting, sharing photos, making deals, playing gam
Jun 13, 2025 am 09:36 AM
3 Ways to Check Apache Server Status and Uptime in Linux
Apache is the world’s most widely used, cross-platform HTTP web server that is frequently deployed on Linux and Unix systems for hosting websites or web applications. Importantly, it's simple to install and comes with a straightforward configuration.
Jun 13, 2025 am 09:32 AM
How to Prevent Mac from Sleeping When Display is Off (MacOS Ventura)
By default, a Mac will enter sleep mode after some time when the display is turned off. However, you can change this behavior and stop your Mac from sleeping while the display is off. The process for doing this in MacOS Ventura has changed slightly c
Jun 13, 2025 am 09:27 AM
How to Fix SSH Not Working on MacOS Ventura / Sonoma
Some Mac users have noticed that SSH is not functioning on their system after upgrading to macOS Ventura 13 or later versions, including Sonoma. Usually, they encounter an error when trying to connect via SSH to another server stating “no matching ho
Jun 13, 2025 am 09:23 AM
Fix “Confirm Mac Password” to Keep Using iCloud in System Settings
Some Mac users have noticed a message titled “Confirm Mac Password” appearing in System Settings or System Preferences. While it can pop up unexpectedly, this prompt is often seen shortly after installing an OS update. For instance, you might have up
Jun 13, 2025 am 09:22 AM
Linux Boot Process? Best Geeks Know It!
The Linux boot process is a sequence of events that initializes a Linux system from a powered-off state to a fully operational state. Understanding the Linux boot process is crucial for technical interviews, but sometimes it can be challenging to rec
Jun 13, 2025 am 09:21 AM
How to Connect Bluetooth Headphones to a Mac: Pair & Add to Menu Bar
Sharing files through Bluetooth is a popular and reliable way to move data. In the past decade, Bluetooth has gained new functionality with wireless devices. Keyboards and mouses that aren't attached to your computer vi
Jun 13, 2025 am 09:17 AM
How to Fix a Stuck M1 MacBook Pro / Air Key
Following a long period of using the butterfly mechanism keys, Apple redesigned the keyboard and key systems on their newer laptops such as the M1 MacBook Pro and M1 MacBook Air. While these new keys are far less prone to jamming compared to the prev
Jun 13, 2025 am 09:15 AM
How to Enable Memory Saver in Google Chrome to Reduce RAM/CPU Usage
Google Chrome is a powerful web browser, yet it's often criticized for its high resource consumption. This has been an ongoing concern, but recent updates to Chrome now offer a solution that not only reduces resource usage within Chrome but also make
Jun 13, 2025 am 09:13 AM
This Excellent HyperX Gaming Mouse Is Just $39 Today
##### HyperX Pulsefire Haste 2 Wireless Mouse$38.77 $59.99 Save $21.22 DPI 26,000Polling Rate 8000HzWeight 52 GramsThe HyperX Pulsefire Haste 2 is a lightweight (53g) wired gaming mouse featuring a precise HyperX 26K sensor, an 8000Hz polling rate, a
Jun 13, 2025 am 03:02 AM
How to use sed to find and replace text in a file?
To find and replace text in a file using sed, it can be implemented through the basic command s/old-text/new-text/. 1. Replace the first match for each row by default, such as sed's/Hello/Hi/'example.txt; 2. Add g parameter to replace all matches, such as sed's/Hello/Hi/g'example.txt; 3. Replace specific rows by line number, such as sed'3s/old/new/'example.txt; 4. Replace multiple rows with ranges, such as sed'2, 5s/old/new/'example.txt; 5. Replace rows that meet the conditions in combination with regular expressions, such as sed'/error/
Jun 13, 2025 am 12:33 AM
What does 2>&1 mean in a shell command?
InUnix-likeshells,2>&1means"redirectstderrtowhereverstdoutiscurrentlygoing,"whichensuresbothstandardoutputanderrormessagesgotothesamedestination.Thissyntaxusesfiledescriptors—0forstdin,1forstdout,and2forstderr—where>redirectsoutpu
Jun 13, 2025 am 12:33 AM
How to list all installed packages on my system?
To view which software packages are installed on the system, you need to use the corresponding commands according to different operating systems. For Ubuntu/Debian systems, you can use dpkg-l to list all installed packages, or extract specific information in combination with awk and grep; you can also use aptlist--installed to view. CentOS/RHEL system can use rpm-qa to view all packages, rpm-q to query individual packages, or use yum/dnflistinstalled. ArchLinux uses pacman-Qqe. Additionally, the package list can be exported to a file for backup or migration, such as dpkg--get-selections>packages
Jun 13, 2025 am 12:32 AM
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