Hardware Information Flashcards

1
Q

dmesg

A

Display messages in kernel ring buffer

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2
Q

cat /proc/cpuinfo

A

Display CPU information

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3
Q

cat /proc/meminfo

A

Display memory information

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4
Q

free -h (or -m, -g)

A

Display free and used memory (-h for human readable, -m for MB, -g for GB)

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5
Q

lspci -tv

A

Display PCI devices

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6
Q

lsusb -tv

A

Display USB devices

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7
Q

dmidecode

A

Display DMI/SMBIOS (hardware info) from the BIOS

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8
Q

hdparm -i /dev/sda

A

Show info about disk sda

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9
Q

hdparm -tT /dev/sda

A

Perform a read speed test on disk sda

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10
Q

badblocks -s /dev/sda

A

Test for unreadable blocks on disk sda

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11
Q

lshw

A

Display information about CPU, memory, storage, and network interfaces (ls…HardWare)

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