You can get the current configuration and the maximum configuration supported by the system, such as the maximum amount of memory supported that we already have shown above… This information includes hardware and BIOS. Find out BIOS Info on Linux using Dmidecodeĭmidecode dumps the DMI (Desktop Management Interface) information of the machine in a readable way. To identify each RAM used on each memory slot of your system’s motherboard, print the Memory Controller information using the dmidecode command: sudo dmidecode -t memoryģ. Those who are interested in full detail such as Total Memory, Free Memory, Buffers, Cache, Swap cached, Active, mapped, and more… can go for this one: To print free available RAM, type: free -m Know about Linux System RAM detailsĬheck out free Memory on your Linux system along with details of its size and hardware information. Model name : Intel(R) Core(TM) i7-3770 CPU 3.40GHz use the below given single command: lscpuįurthermore, you can also check each CPU in detail (CPU model, frequency, etc.) of your computer, laptop, or server using: cat /proc/cpuinfo To check out the full information of Linux system’s CPU such as Type of Architecture (i386, x86_64, etc.) (32-bit or 64-bit), Socket, Cores per socket, CPU speed, L cache, Virtualization type or support, etc. Check Linux system CPU info and Virtualization support Apart from them, others are also supported such as Debian, Linux Mint, Kali, Elementary OS, Manjaro, and more. Here we are using Ubuntu 20.04 to display the results of the Linux system info commands, however, you can use them on older versions such as Ubuntu 18.04/16.04 including RPM-based distros like CentOS and RHEL. Complete Linux System Hardware Information Commands to View Linux System info using terminal These commands will still work on servers without NetworkManager, though.9. Linux desktops usually use NetworkManager, which manages network interfaces for you. Try this on a Linux desktop system and you’ll probably get an error message. This requires root permissions, so you have to use sudo on Ubuntu. Given an interface’s name, they take the interface down or bring it up. The ifdown and ifup commands are the same thing as running ifconfig up or ifconfig down. You can also specify an interface’s name to view only information about that interface. Type ifconfig to view the status of all currently active network interfaces, including their names. It’s also a quick way to view IP addresses and other network interface information. The ifconfig command has a variety of options to configure, tune, and debug your system’s network interfaces. “Link beat detected” means the cable is plugged in. Run the command to see the status of all interfaces or specify a specific interface to view its status. The ifplugstatus command will tell you whether a cable is plugged into a network interface or not. The whois command will show you a website’s whois records, so you can view more information about who registered and owns a specific website. Give it an IP address and you’ll see the associated domain name. Give it a domain name and you’ll see the associated IP address. Press q or Ctrl-C to quit when you’re done. mtr will continue to send packets, showing you the ping time to each “hop.” This will also show you any problems - in this case, we can see that hop 6 is losing over 20% of the packets. The mtr command combines ping and tracepath into a single command. If you’re having network problems or slowness, tracepath can show you where the network is failing or where the slowness is occurring. tracepath traces the network path to a destination you specify and reports each “hop” along the path. It’s also installed by default on Ubuntu, while traceroute isn’t. The tracepath command is similar to traceroute, but it doesn’t require root privileges. You can specify a finite amount of packets with the -c switch. Unlike the ping command on Windows, the Linux ping command will keep sending packets until you terminate it.
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