Then use lsusb to see a list of USB devices: $ lsusbīus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubīus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tabletīus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubįor a more detailed output, use the -v or -t option to format the output as a tree hierarchy. Install the usbutils package to access it: $ sudo dnf install -y usbutils Your distribution may not include this utility by default. Use the lsusb utility to gather information about available USB devices. I often use two options: -fs to include the filesystem type in the output and -J for JSON output to parse using other programs. This utility provides much more information, and you should check all of its options using man lsblk. You can also use lsblk to get an overview of your block devices at a glance: $ lsblk These are great options for gathering specific information. Linux provides many utilities to look at the storage and disks attached to your system, such as df, fdisk, or mount. Both of these options are great to parse with other programs or scripts. You can also use lscpu with the -p option to print specific fields only or -J for JSON output. Pausefilter pfthreshold v_vmsave_vmload vgif umip pku ospke vaes vpclmulqdq rdpid fsrm arch_capabilities L cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lĪhf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2Įrms invpcid rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean Model name: AMD Ryzen U with Radeon Graphicsįlags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nop $ lscpuĪddress sizes: 48 bits physical, 48 bits virtual The lscpu utility provides a comprehensive summary of your CPU's capabilities, including model information, the number of cores, speeds, flags, virtualization capabilities, and security mitigations applied. These utilities compile information from different sources to present a relevant summary that aids you in understanding the system's capabilities. This article looks at seven commands that provide details about your system's CPU, disk, RAM, devices, and firmware, in a direct and easy-to-understand way. Often, you can query one of the virtual filesystems like /proc or /sys directly, but they may provide basic information that's hard to understand at a glance. In general, Linux distributions provide many tools you can use to display system information. How well do you know Linux? Take a quiz and get a badge.Linux system administration skills assessment.A guide to installing applications on Linux.Download RHEL 9 at no charge through the Red Hat Developer program.Skip to bottom of list Skip to the bottom of list
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