Difference between revisions of "LinuxCommands"

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= System Information  =
 
= System Information  =
  
−
#'''arch''': Show the machine arch.  
+
'''arch''': Show the machine arch.
−
#'''uname -m''': Show machine arch.
+
 
 +
'''uname -m''': Show machine arch.
 
<pre style="line-height: 11px; font-size: 11px;">[jdoe@localhost ~]$ arch
 
<pre style="line-height: 11px; font-size: 11px;">[jdoe@localhost ~]$ arch
  
Line 17: Line 18:
 
x86_64
 
x86_64
 
</pre>  
 
</pre>  
−
#'''uname -r''': Show the kernel version.  
+
'''uname -r''': Show the kernel version.
−
#'''cat /proc/version''': Show kernel version (extra information).
+
 
 +
'''cat /proc/version''': Show kernel version (extra information).
 
<pre>[jdoe@localhost ~]$ uname -r
 
<pre>[jdoe@localhost ~]$ uname -r
  
Line 27: Line 29:
 
Linux version 3.11.10-301.fc20.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.2 20131017 (Red Hat 4.8.2-1) (GCC) ) #1 SMP Thu Dec 5 14:01:17 UTC 2013
 
Linux version 3.11.10-301.fc20.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.2 20131017 (Red Hat 4.8.2-1) (GCC) ) #1 SMP Thu Dec 5 14:01:17 UTC 2013
 
</pre>  
 
</pre>  
 +
'''dmidecode -q''': Show the system hardware information.
 +
 +
 +
<pre>[root@localhost ~]# dmidecode -q | more
 +
 +
BIOS Information
 +
<span class="Apple-tab-span" style="white-space:pre"> </span>Vendor: Phoenix Technologies LTD <span class="Apple-tab-span" style="white-space:pre"> </span>Version: 6.00 <span class="Apple-tab-span" style="white-space:pre"> </span>Release Date: 07/31/2013 <span class="Apple-tab-span" style="white-space:pre"> </span>Address: 0xEA050 <span class="Apple-tab-span" style="white-space:pre"> </span>Runtime Size: 90032 bytes <span class="Apple-tab-span" style="white-space:pre"> </span>ROM Size: 64 kB <span class="Apple-tab-span" style="white-space:pre"> </span>Characteristics: <span class="Apple-tab-span" style="white-space:pre"> </span>ISA is supported <span class="Apple-tab-span" style="white-space:pre"> </span>PCI is supported <span class="Apple-tab-span" style="white-space:pre"> </span>PC Card (PCMCIA) is supported <span class="Apple-tab-span" style="white-space:pre"> </span>PNP is supported <span class="Apple-tab-span" style="white-space:pre"> </span>APM is supported <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS is upgradeable <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS shadowing is allowed <span class="Apple-tab-span" style="white-space:pre"> </span>ESCD support is available <span class="Apple-tab-span" style="white-space:pre"> </span>Boot from CD is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Selectable boot is supported <span class="Apple-tab-span" style="white-space:pre"> </span>EDD is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Print screen service is supported (int 5h) <span class="Apple-tab-span" style="white-space:pre"> </span>8042 keyboard services are supported (int 9h) <span class="Apple-tab-span" style="white-space:pre"> </span>Serial services are supported (int 14h) <span class="Apple-tab-span" style="white-space:pre"> </span>Printer services are supported (int 17h) <span class="Apple-tab-span" style="white-space:pre"> </span>CGA/mono video services are supported (int 10h) <span class="Apple-tab-span" style="white-space:pre"> </span>ACPI is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Smart battery is supported <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS boot specification is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Function key-initiated network boot is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Targeted content distribution is supported <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS Revision: 4.6 <span class="Apple-tab-span" style="white-space:pre"> </span>Firmware Revision: 0.0 System Information <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: VMware, Inc. <span class="Apple-tab-span" style="white-space:pre"> </span>Product Name: VMware Virtual Platform <span class="Apple-tab-span" style="white-space:pre"> </span>Version: None <span class="Apple-tab-span" style="white-space:pre"> </span>Serial Number: VMware-56 4d 70 a2 b3 bf 32 d8-67 a4 6b 32 13 95 8c d7 <span class="Apple-tab-span" style="white-space:pre"> </span>UUID: 564D70A2-B3BF-32D8-67A4-6B3213958CD7 <span class="Apple-tab-span" style="white-space:pre"> </span>Wake-up Type: Power Switch <span class="Apple-tab-span" style="white-space:pre"> </span>SKU Number: Not Specified <span class="Apple-tab-span" style="white-space:pre"> </span>Family: Not Specified Base Board Information <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: Intel Corporation <span class="Apple-tab-span" style="white-space:pre"> </span>Product Name: 440BX Desktop Reference Platform <span class="Apple-tab-span" style="white-space:pre"> </span>Version: None <span class="Apple-tab-span" style="white-space:pre"> </span>Serial Number: None <span class="Apple-tab-span" style="white-space:pre"> </span>Asset Tag: Not Specified <span class="Apple-tab-span" style="white-space:pre"> </span>Features: None <span class="Apple-tab-span" style="white-space:pre"> </span>Location In Chassis: Not Specified <span class="Apple-tab-span" style="white-space:pre"> </span>Type: Unknown Chassis Information <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: No Enclosure <span class="Apple-tab-span" style="white-space:pre"> </span>Type: Other <span class="Apple-tab-span" style="white-space:pre"> </span>Lock: Not Present <span class="Apple-tab-span" style="white-space:pre"> </span>Version: N/A <span class="Apple-tab-span" style="white-space:pre"> </span>Serial Number: None <span class="Apple-tab-span" style="white-space:pre"> </span>Asset Tag: No Asset Tag <span class="Apple-tab-span" style="white-space:pre"> </span>Boot-up State: Safe <span class="Apple-tab-span" style="white-space:pre"> </span>Power Supply State: Safe <span class="Apple-tab-span" style="white-space:pre"> </span>Thermal State: Safe <span class="Apple-tab-span" style="white-space:pre"> </span>Security Status: None <span class="Apple-tab-span" style="white-space:pre"> </span>OEM Information: 0x00001234 <span class="Apple-tab-span" style="white-space:pre"> </span>Height: Unspecified <span class="Apple-tab-span" style="white-space:pre"> </span>Number Of Power Cords: Unspecified <span class="Apple-tab-span" style="white-space:pre"> </span>Contained Elements: 0 Processor Information <span class="Apple-tab-span" style="white-space:pre"> </span>Socket Designation: CPU socket #0 <span class="Apple-tab-span" style="white-space:pre"> </span>Type: Central Processor <span class="Apple-tab-span" style="white-space:pre"> </span>Family: Unknown <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: GenuineIntel <span class="Apple-tab-span" style="white-space:pre"> </span>ID: A9 06 03 00 FF FB AB 0F <span class="Apple-tab-span" style="white-space:pre"> </span>Version: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz <span class="Apple-tab-span" style="white-space:pre"> </span>Voltage: 3.3 V .... </pre>
 +
 +
 +
 +
'''hdparm -i /dev/hda''': Show harddisk information.
 +
 
#
 
#
−
'''dmidecode -q''': Show the system hardware information.
+
 
 +
'''hdparm -tT /dev/sda''': Do a read test.  
  
 
#
 
#
−
'''hdparm -i /dev/hda''': Show harddisk information.
+
 
 +
'''cat /proc/cpuinfo''': Show CPU information.  
  
 
#
 
#
−
'''hdparm -tT /dev/sda''': Do a read test.
+
 
 +
'''cat /proc/interrupts''': Show IRQ information.  
  
 
#
 
#
−
'''cat /proc/cpuinfo''': Show CPU information.
+
 
 +
'''cat /proc/meminfo''': Show Memory status.  
  
 
#
 
#
−
'''cat /proc/interrupts''': Show IRQ information.
+
 
 +
'''cat /proc/swaps''': Show swap files.  
  
 
#
 
#
−
'''cat /proc/meminfo''': Show Memory status.
+
 
 +
'''cat /proc/net/dev''': Show Network adapters and statistics.  
  
 
#
 
#
−
'''cat /proc/swaps''': Show swap files.
+
 
 +
'''cat /proc/mounts''': Show mounted volumes in the system.  
  
 
#
 
#
−
'''cat /proc/net/dev''': Show Network adapters and statistics.
+
 
 +
'''lspci -tv''': Show PCI devices.  
  
 
#
 
#
−
'''cat /proc/mounts''': Show mounted volumes in the system.
+
 
 +
'''lsusb -tv''': Show USB devices.  
  
 
#
 
#
−
'''lspci -tv''': Show PCI devices.
+
 
 +
'''date''': Show the system date.  
  
 
#
 
#
−
'''lsusb -tv''': Show USB devices.
+
 
 +
'''cal 2014''': Show calendar &lt;cal + year&gt;
  
 
#
 
#
−
'''date''': Show the system date.
 
  
−
#
+
'''cal 07 2014''': Show month.
−
'''cal 2014''': Show calendar &lt;cal + year&gt;
 
  
 
#
 
#
−
'''cal 07 2014''': Show month.
 
  
−
#
+
'''date 041217002011.00''': set date (set, adjust) date y hour.  
−
'''date 041217002011.00''': set date (set, adjust) date y hour.
 
  
 
#
 
#
−
'''clock -w''': Save date changes in BIOS.
 
  
 +
'''clock -w''': Save date changes in BIOS.
 
<blockquote>
 
<blockquote>
 
{| cellspacing="0" cellpadding="5" border="2" style="color: lightgreen; background-color: black;"
 
{| cellspacing="0" cellpadding="5" border="2" style="color: lightgreen; background-color: black;"
 
|-
 
|-
 
|  
 
|  
−
&lt;tt&gt;[jdoe@localhost ~]$ arch&lt;/tt&gt;
+
&lt;tt&gt;[jdoe@localhost ~]$ arch&lt;/tt&gt;  
  
−
&lt;tt&gt;x86_64&lt;/tt&gt;
+
&lt;tt&gt;x86_64&lt;/tt&gt;  
  
−
&lt;tt&gt;[jdoe@localhost ~]$ uname -m&lt;/tt&gt;
+
&lt;tt&gt;[jdoe@localhost ~]$ uname -m&lt;/tt&gt;  
  
−
&lt;tt&gt;x86_64 &lt;/tt&gt;
+
&lt;tt&gt;x86_64 &lt;/tt&gt;  
  
 
|}
 
|}
 
</blockquote>
 
</blockquote>

Revision as of 11:14, 2 February 2014

Overview

This article describes several linux user space commands that can be useful for doing several tasks

System Information

arch: Show the machine arch.

uname -m: Show machine arch. 

[jdoe@localhost ~]$ arch

x86_64

[jdoe@localhost ~]$ uname -m

x86_64

uname -r: Show the kernel version.

cat /proc/version: Show kernel version (extra information). 

[jdoe@localhost ~]$ uname -r

3.11.10-301.fc20.x86_64

[jdoe@localhost ~]$ cat /proc/version 

Linux version 3.11.10-301.fc20.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.2 20131017 (Red Hat 4.8.2-1) (GCC) ) #1 SMP Thu Dec 5 14:01:17 UTC 2013

dmidecode -q: Show the system hardware information. 


[root@localhost ~]# dmidecode -q | more

BIOS Information
<span class="Apple-tab-span" style="white-space:pre"> </span>Vendor: Phoenix Technologies LTD <span class="Apple-tab-span" style="white-space:pre"> </span>Version: 6.00 <span class="Apple-tab-span" style="white-space:pre"> </span>Release Date: 07/31/2013 <span class="Apple-tab-span" style="white-space:pre"> </span>Address: 0xEA050 <span class="Apple-tab-span" style="white-space:pre"> </span>Runtime Size: 90032 bytes <span class="Apple-tab-span" style="white-space:pre"> </span>ROM Size: 64 kB <span class="Apple-tab-span" style="white-space:pre"> </span>Characteristics: <span class="Apple-tab-span" style="white-space:pre"> </span>ISA is supported <span class="Apple-tab-span" style="white-space:pre"> </span>PCI is supported <span class="Apple-tab-span" style="white-space:pre"> </span>PC Card (PCMCIA) is supported <span class="Apple-tab-span" style="white-space:pre"> </span>PNP is supported <span class="Apple-tab-span" style="white-space:pre"> </span>APM is supported <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS is upgradeable <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS shadowing is allowed <span class="Apple-tab-span" style="white-space:pre"> </span>ESCD support is available <span class="Apple-tab-span" style="white-space:pre"> </span>Boot from CD is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Selectable boot is supported <span class="Apple-tab-span" style="white-space:pre"> </span>EDD is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Print screen service is supported (int 5h) <span class="Apple-tab-span" style="white-space:pre"> </span>8042 keyboard services are supported (int 9h) <span class="Apple-tab-span" style="white-space:pre"> </span>Serial services are supported (int 14h) <span class="Apple-tab-span" style="white-space:pre"> </span>Printer services are supported (int 17h) <span class="Apple-tab-span" style="white-space:pre"> </span>CGA/mono video services are supported (int 10h) <span class="Apple-tab-span" style="white-space:pre"> </span>ACPI is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Smart battery is supported <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS boot specification is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Function key-initiated network boot is supported <span class="Apple-tab-span" style="white-space:pre"> </span>Targeted content distribution is supported <span class="Apple-tab-span" style="white-space:pre"> </span>BIOS Revision: 4.6 <span class="Apple-tab-span" style="white-space:pre"> </span>Firmware Revision: 0.0 System Information <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: VMware, Inc. <span class="Apple-tab-span" style="white-space:pre"> </span>Product Name: VMware Virtual Platform <span class="Apple-tab-span" style="white-space:pre"> </span>Version: None <span class="Apple-tab-span" style="white-space:pre"> </span>Serial Number: VMware-56 4d 70 a2 b3 bf 32 d8-67 a4 6b 32 13 95 8c d7 <span class="Apple-tab-span" style="white-space:pre"> </span>UUID: 564D70A2-B3BF-32D8-67A4-6B3213958CD7 <span class="Apple-tab-span" style="white-space:pre"> </span>Wake-up Type: Power Switch <span class="Apple-tab-span" style="white-space:pre"> </span>SKU Number: Not Specified <span class="Apple-tab-span" style="white-space:pre"> </span>Family: Not Specified Base Board Information <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: Intel Corporation <span class="Apple-tab-span" style="white-space:pre"> </span>Product Name: 440BX Desktop Reference Platform <span class="Apple-tab-span" style="white-space:pre"> </span>Version: None <span class="Apple-tab-span" style="white-space:pre"> </span>Serial Number: None <span class="Apple-tab-span" style="white-space:pre"> </span>Asset Tag: Not Specified <span class="Apple-tab-span" style="white-space:pre"> </span>Features: None <span class="Apple-tab-span" style="white-space:pre"> </span>Location In Chassis: Not Specified <span class="Apple-tab-span" style="white-space:pre"> </span>Type: Unknown Chassis Information <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: No Enclosure <span class="Apple-tab-span" style="white-space:pre"> </span>Type: Other <span class="Apple-tab-span" style="white-space:pre"> </span>Lock: Not Present <span class="Apple-tab-span" style="white-space:pre"> </span>Version: N/A <span class="Apple-tab-span" style="white-space:pre"> </span>Serial Number: None <span class="Apple-tab-span" style="white-space:pre"> </span>Asset Tag: No Asset Tag <span class="Apple-tab-span" style="white-space:pre"> </span>Boot-up State: Safe <span class="Apple-tab-span" style="white-space:pre"> </span>Power Supply State: Safe <span class="Apple-tab-span" style="white-space:pre"> </span>Thermal State: Safe <span class="Apple-tab-span" style="white-space:pre"> </span>Security Status: None <span class="Apple-tab-span" style="white-space:pre"> </span>OEM Information: 0x00001234 <span class="Apple-tab-span" style="white-space:pre"> </span>Height: Unspecified <span class="Apple-tab-span" style="white-space:pre"> </span>Number Of Power Cords: Unspecified <span class="Apple-tab-span" style="white-space:pre"> </span>Contained Elements: 0 Processor Information <span class="Apple-tab-span" style="white-space:pre"> </span>Socket Designation: CPU socket #0 <span class="Apple-tab-span" style="white-space:pre"> </span>Type: Central Processor <span class="Apple-tab-span" style="white-space:pre"> </span>Family: Unknown <span class="Apple-tab-span" style="white-space:pre"> </span>Manufacturer: GenuineIntel <span class="Apple-tab-span" style="white-space:pre"> </span>ID: A9 06 03 00 FF FB AB 0F <span class="Apple-tab-span" style="white-space:pre"> </span>Version: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz <span class="Apple-tab-span" style="white-space:pre"> </span>Voltage: 3.3 V ....


hdparm -i /dev/hda: Show harddisk information.

hdparm -tT /dev/sda: Do a read test.

cat /proc/cpuinfo: Show CPU information.

cat /proc/interrupts: Show IRQ information.

cat /proc/meminfo: Show Memory status.

cat /proc/swaps: Show swap files.

cat /proc/net/dev: Show Network adapters and statistics.

cat /proc/mounts: Show mounted volumes in the system.

lspci -tv: Show PCI devices.

lsusb -tv: Show USB devices.

date: Show the system date.

cal 2014: Show calendar <cal + year>

cal 07 2014: Show month.

date 041217002011.00: set date (set, adjust) date y hour.

clock -w: Save date changes in BIOS.

<tt>[jdoe@localhost ~]$ arch</tt>

<tt>x86_64</tt>

<tt>[jdoe@localhost ~]$ uname -m</tt>

<tt>x86_64 </tt>

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