However, you can use a range of other commands on a Linux machine which will let you check which ports are open in your Linux environment, and ensure they are ready to receive communication from other machines. We will cover three in the following section – Isof, netstat and nmap. How ...
In this article, we will show you how to check how much RAM or memory is installed on your Linux system and how to check its speed. We have implemented all the commands on Ubuntu 20.04 operating system. Let’s get started! As we mentioned above, we will work on Ubuntu 20.04 command-l...
Desktops & All-in-Ones Workstations Accessories & Software Servers Storage Networking Laptop Deals Outlet Support Drivers & Software Documentation Center How To's Warranty Lookup Parts Lookup Contact Us Repair Status Check Imaging & Security Resources Resources Where to Buy ...
Scan Hard Disk Bad Sectors in Linux In the command above,badblocksis scanning device/dev/sda10(remember to specify your actual device) with the-venabling it to display details of the operation. In addition, the results of the operation are stored in the filebadsectors.txtby means of output ...
How the Linux Kernel Boots(第5章 Linux内核的启动过程) You now know the physical and logical structure of a Linux system, what the kernel is, and how to work with processes. This chapter will teach you how the kernel starts— or boots. In other words, you’ll learn how the kernel ...
Additionally, Linux systems may use various logging systems.Therefore, checking the cron jobs log depends on the cron implementation and the logging system installed on the system.In this tutorial, we’ll address how to check cron jobs’ logs based on two widely used cron implementations and two...
When you encounter a problem on a Unix-like system such asLinux, you must read the error message. Unlike messages from other operating systems, Unix errors usually tell you exactly what went wrong. 在类Unix系统(如Linux)上遇到问题时,必须阅读错误消息。与其他操作系统的消息不同,Unix的错误消息通常...
If you are looking to upgrade to a new version of Ubuntu, check out the article: How to Upgrade your Ubuntu Operating System to the Latest Version. Set up the Ubuntu Install Insert the Ubuntu disk into your DVD drive or connect your bootable USB into a port on the computer. Tap ra...
# How to check the USB devices connected to Linux by using Terminal All In One ## `Raspberry Pi` 3 B ```sh # ✅ $ lsusb Bus 001 Device 004: ID 2e8a:000
How to check CPU and RAM usage using the nmon monitoring tool Nmon is another monitoring tool that's popular among many Linux users. IBM originally developed this system performance monitoring tool for the AIX operating system, but it was later ported to Linux. Much like htop, nmon isn't av...