Check hardware information on Linux

# Display messages in kernel ring buffer


# Reports information about the cpu and processing units


# Extracts the information from different /proc files

lshw -short

# Report detailed and brief information about multiple different hardware components

hwinfo --short

# Lists out all the PCI buses and details about the devices connected to them


# Display USB devices


# Lists out the scsi/sata devices like hard drives and optical drives


# Display CPU information

cat /proc/cpuinfo

# Display memory information

cat /proc/meminfo

# Display DMI/SMBIOS (hardware info) from the BIOS


# Show info about disk sda

hdparm -i /dev/sda

# Perform a read speed test on disk sda

hdparm -tT /dev/sda

# Test for unreadable blocks on disk sda

badblocks -s /dev/sda

# List out information all block devices


# Reports various partitions, their mount points and the used and available space on each

df -H

# Mount/unmount and view mounted file systems

mount | column -t

# Filter out only those file systems that you want to see

mount | column -t | grep ext

# Check the amount of used, free and total amount of RAM on system with the free command.

free -m

# Gets information about sata devices like hard disks

sudo hdparm -i /dev/sda

# CPU information

 cat /proc/cpuinfo

# Memory information

cat /proc/meminfo

# Linux/kernel information

cat /proc/version

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