Мы рассмотрим некоторые полезные команды, которые могут помочь вам извлечь информацию о вашей системе Linux и “железе”. Необходимо знать аппаратные и программные компоненты вашей ОС, это может помочь решить проблемамы совместимости, когда дело доходит до установки пакетов и драйверов.
1. lscpu – информация о процессоре
$ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 4 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 23 Stepping: 10 CPU MHz: 1998.000 BogoMIPS: 5302.48 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 2048K NUMA node0 CPU(s): 0-3
2. lshw – информация о железе
$ sudo lshw -short H/W path Device Class Description =================================================== system () /0 bus DG35EC /0/0 processor Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz /0/0/1 memory 2MiB L2 cache /0/0/3 memory 32KiB L1 cache /0/2 memory 32KiB L1 cache /0/4 memory 64KiB BIOS /0/14 memory 8GiB System Memory /0/14/0 memory 2GiB DIMM DDR2 Synchronous 667 MHz (1.5 ns) /0/14/1 memory 2GiB DIMM DDR2 Synchronous 667 MHz (1.5 ns) /0/14/2 memory 2GiB DIMM DDR2 Synchronous 667 MHz (1.5 ns) /0/14/3 memory 2GiB DIMM DDR2 Synchronous 667 MHz (1.5 ns) /0/100 bridge 82G35 Express DRAM Controller /0/100/2 display 82G35 Express Integrated Graphics Controller /0/100/2.1 display 82G35 Express Integrated Graphics Controller /0/100/19 eth0 network 82566DC Gigabit Network Connection /0/100/1a bus 82801H (ICH8 Family) USB UHCI Controller #4 /0/100/1a.1 bus 82801H (ICH8 Family) USB UHCI Controller #5 /0/100/1a.7 bus 82801H (ICH8 Family) USB2 EHCI Controller #2 /0/100/1b multimedia 82801H (ICH8 Family) HD Audio Controller /0/100/1c bridge 82801H (ICH8 Family) PCI Express Port 1 /0/100/1c.1 bridge 82801H (ICH8 Family) PCI Express Port 2 /0/100/1c.2 bridge 82801H (ICH8 Family) PCI Express Port 3 /0/100/1c.2/0 storage JMB368 IDE controller /0/100/1d bus 82801H (ICH8 Family) USB UHCI Controller #1 /0/100/1d.1 bus 82801H (ICH8 Family) USB UHCI Controller #2 /0/100/1d.2 bus 82801H (ICH8 Family) USB UHCI Controller #3 /0/100/1d.7 bus 82801H (ICH8 Family) USB2 EHCI Controller #1 /0/100/1e bridge 82801 PCI Bridge /0/100/1e/5 bus FW322/323 [TrueFire] 1394a Controller /0/100/1f bridge 82801HB/HR (ICH8/R) LPC Interface Controller /0/100/1f.2 storage 82801H (ICH8 Family) 4 port SATA Controller [IDE mode] /0/100/1f.3 bus 82801H (ICH8 Family) SMBus Controller /0/100/1f.5 storage 82801HR/HO/HH (ICH8R/DO/DH) 2 port SATA Controller [IDE m /0/1 scsi3 storage /0/1/0.0.0 /dev/sda disk 500GB ST3500418AS /0/1/0.0.0/1 /dev/sda1 volume 70GiB Windows NTFS volume /0/1/0.0.0/2 /dev/sda2 volume 395GiB Extended partition /0/1/0.0.0/2/5 /dev/sda5 volume 97GiB HPFS/NTFS partition /0/1/0.0.0/2/6 /dev/sda6 volume 97GiB Linux filesystem partition /0/1/0.0.0/2/7 /dev/sda7 volume 1952MiB Linux swap / Solaris partition /0/1/0.0.0/2/8 /dev/sda8 volume 198GiB Linux filesystem partition /0/3 scsi4 storage /0/3/0.0.0 /dev/cdrom disk DVD RW DRU-190A
3. hwinfo – еще один вариант просмотра информации о железе
$ hwinfo --short cpu: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz, 2000 MHz Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz, 2000 MHz Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz, 2666 MHz Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz, 2666 MHz keyboard: /dev/input/event2 AT Translated Set 2 keyboard mouse: /dev/input/mice Microsoft Basic Optical Mouse v2.0 graphics card: Intel 965G-1 Intel 82G35 Express Integrated Graphics Controller sound: Intel 82801H (ICH8 Family) HD Audio Controller storage: Intel 82801H (ICH8 Family) 4 port SATA IDE Controller Intel 82801H (ICH8 Family) 2 port SATA IDE Controller JMicron JMB368 IDE controller network: eth0 Intel 82566DC Gigabit Network Connection network interface: eth0 Ethernet network interface lo Loopback network interface disk: /dev/sda ST3500418AS partition: /dev/sda1 Partition /dev/sda2 Partition /dev/sda5 Partition /dev/sda6 Partition /dev/sda7 Partition /dev/sda8 Partition cdrom: /dev/sr0 SONY DVD RW DRU-190A usb controller: Intel 82801H (ICH8 Family) USB UHCI Controller #4 Intel 82801H (ICH8 Family) USB UHCI Controller #5 Intel 82801H (ICH8 Family) USB2 EHCI Controller #2 Intel 82801H (ICH8 Family) USB UHCI Controller #1 Intel 82801H (ICH8 Family) USB UHCI Controller #2 Intel 82801H (ICH8 Family) USB UHCI Controller #3 Intel 82801H (ICH8 Family) USB2 EHCI Controller #1 bios: BIOS ... TRUNCATED ...
4. lspci – информация о PCI устройствах
$ lspci 00:00.0 Host bridge: Intel Corporation 82G35 Express DRAM Controller (rev 03) 00:02.0 VGA compatible controller: Intel Corporation 82G35 Express Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation 82G35 Express Integrated Graphics Controller (rev 03) 00:19.0 Ethernet controller: Intel Corporation 82566DC Gigabit Network Connection (rev 02) 00:1a.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02) 00:1a.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 02) 00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 (rev 02) 00:1d.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2) 00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02) 00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA Controller [IDE mode] (rev 02) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02) 00:1f.5 IDE interface: Intel Corporation 82801HR/HO/HH (ICH8R/DO/DH) 2 port SATA Controller [IDE mode] (rev 02) 03:00.0 IDE interface: JMicron Technology Corp. JMB368 IDE controller 04:05.0 FireWire (IEEE 1394): LSI Corporation FW322/323 [TrueFire] 1394a Controller (rev 70)
Можно найти определенную информацию по устройству с помощью grep.
$ lspci -v | grep "VGA" -A 12
5. lsscsi – список scsi/sata устройств
$ lsscsi [3:0:0:0] disk ATA ST3500418AS CC38 /dev/sda [4:0:0:0] cd/dvd SONY DVD RW DRU-190A 1.63 /dev/sr0
6. lsusb – список usb устройств
$ lsusb Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0 Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
7. Inxi – это 10.000 строк bash скрипта, который выводит информацию о железе, системе и т.д.
$ inxi -Fx
8. lsblk – список блочных устройств
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 465.8G 0 disk ├─sda1 8:1 0 70G 0 part ├─sda2 8:2 0 1K 0 part ├─sda5 8:5 0 97.7G 0 part /media/4668484A68483B47 ├─sda6 8:6 0 97.7G 0 part / ├─sda7 8:7 0 1.9G 0 part [SWAP] └─sda8 8:8 0 198.5G 0 part /media/13f35f59-f023-4d98-b06f-9dfaebefd6c1 sr0 11:0 1 1024M 0 rom
9. df – свободное пространство на дисках
$ df -H Filesystem Size Used Avail Use% Mounted on /dev/sda6 104G 26G 73G 26% / none 4.1k 0 4.1k 0% /sys/fs/cgroup udev 4.2G 4.1k 4.2G 1% /dev tmpfs 837M 1.6M 835M 1% /run none 5.3M 0 5.3M 0% /run/lock none 4.2G 13M 4.2G 1% /run/shm none 105M 21k 105M 1% /run/user /dev/sda8 210G 149G 51G 75% /media/13f35f59-f023-4d98-b06f-9dfaebefd6c1 /dev/sda5 105G 31G 75G 30% /media/4668484A68483B47
10. Pydf – Python df
Типа улучшенная версия df на питоне.
$ pydf Filesystem Size Used Avail Use% Mounted on /dev/sda6 96G 23G 68G 24.4 [#.....] / /dev/sda8 195G 138G 47G 70.6 [####..] /media/13f35f59-f023-4d98-b06f-9dfaebefd6c1 /dev/sda5 98G 28G 69G 29.2 [##....] /media/4668484A68483B47
11. fdisk – сведения о партициях
$ sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x30093008 Device Boot Start End Blocks Id System /dev/sda1 * 63 146801969 73400953+ 7 HPFS/NTFS/exFAT /dev/sda2 146802031 976771071 414984520+ f W95 Ext'd (LBA) /dev/sda5 146802033 351614654 102406311 7 HPFS/NTFS/exFAT /dev/sda6 351614718 556427339 102406311 83 Linux /dev/sda7 556429312 560427007 1998848 82 Linux swap / Solaris /dev/sda8 560429056 976771071 208171008 83 Linux
12. mount – примонтированные файловые системы
$ mount | column -t /dev/sda6 on / type ext4 (rw,errors=remount-ro) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) none on /sys/fs/cgroup type tmpfs (rw) none on /sys/fs/fuse/connections type fusectl (rw) none on /sys/kernel/debug type debugfs (rw) none on /sys/kernel/security type securityfs (rw) udev on /dev type devtmpfs (rw,mode=0755) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755) none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880) none on /run/shm type tmpfs (rw,nosuid,nodev) none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755) none on /sys/fs/pstore type pstore (rw) /dev/sda8 on /media/13f35f59-f023-4d98-b06f-9dfaebefd6c1 type ext4 (rw,nosuid,nodev,errors=remount-ro) /dev/sda5 on /media/4668484A68483B47 type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev) systemd on /sys/fs/cgroup/systemd type cgroup (rw,noexec,nosuid,nodev,none,name=systemd) gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,user=enlightened)
Снова вариант с grep
$ mount | column -t | grep ext
13. free – информация о ОЗУ и файле подкачки
$ free -m total used free shared buffers cached Mem: 7975 5865 2110 0 24 622 -/+ buffers/cache: 5218 2757 Swap: 1951 921 1030
14. dmidecode – разнообразная информация о железе
# display information about the processor/cpu $ sudo dmidecode -t processor # memory/ram information $ sudo dmidecode -t memory # bios details $ sudo dmidecode -t bios
15. /proc files – множество файлов с разнообразной информацие о железе и системе
CPU/Memory
# cpu information $ cat /proc/cpuinfo # memory information $ cat /proc/meminfo
Linux/kernel
$ cat /proc/version Linux version 3.11.0-12-generic (buildd@allspice) (gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu7) ) #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013
SCSI/SATA
$ cat /proc/scsi/scsi Attached devices: Host: scsi3 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: ST3500418AS Rev: CC38 Type: Direct-Access ANSI SCSI revision: 05 Host: scsi4 Channel: 00 Id: 00 Lun: 00 Vendor: SONY Model: DVD RW DRU-190A Rev: 1.63 Type: CD-ROM ANSI SCSI revision: 05
Partitions
$ cat /proc/partitions major minor #blocks name 8 0 488386584 sda 8 1 73400953 sda1 8 2 1 sda2 8 5 102406311 sda5 8 6 102406311 sda6 8 7 1998848 sda7 8 8 208171008 sda8 11 0 1048575 sr0
16. hdparm – вся информация о sata устройствах
$ sudo hdparm -i /dev/sda /dev/sda: Model=ST3500418AS, FwRev=CC38, SerialNo=9VMJXV1N Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=16 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=976773168 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=no WriteCache=enabled Drive conforms to: unknown: ATA/ATAPI-4,5,6,7 * signifies the current active mode