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6. linux commands, Usage, Df -h – Gasboy SiteOmat Maintenance Manual User Manual

Page 224: Ifconfig, Usage (use ctrl-c to stop)

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SiteOmat Setup and Maintenance Manual – MDE 4817G

8-6. LINUX COMMANDS

NOTE

This section is for advanced users only.

This section contains a collection of useful Linux commands.

8-6.1. df (Displays file-system information)

Usage:

$ df -h

Filesystem

Size Used Avail Use% Mounted on

/dev/sda3

3.4G

2.3G

1.0G

69% /

/dev/sda1

23M

5.6M

16M

26% /boot

none

125M

0

125M

0% /dev/shm

8-6.2. ifconfig (Command line tool to check all network cards/interfaces)

Usage:

$ ifconfig

eth0

Link encap:Ethernet HWaddr 00:0C:29:C7:77:B6

inet addr:10.0.1.35 Bcast:10.0.255.255 Mask:255.255.0.0
UP BROADCAST NOTRAILERS RUNNING MTU:1500 Metric:1
RX packets:56 errors:0 dropped:0 overruns:0 frame:0
TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4050 (3.9 Kb) TX bytes:1443 (1.4 Kb)
Interrupt:10 Base address:0x1080

eth1

Link encap:Ethernet HWaddr 00:0C:29:C7:77:C0

inet addr:192.168.81.2 Bcast:192.168.81.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:53 errors:0 dropped:0 overruns:0 frame:0
TX packets:47 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:5216 (5.0 Kb) TX bytes:5459 (5.3 Kb)
Interrupt:9 Base address:0x1400

lo

Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

lo:1

Link encap:Local Loopback

inet addr:10.200.1.1 Mask:255.255.255.0
UP LOOPBACK RUNNING MTU:16436 Metric:1


8-6.3. Ping (Sends test packets to a specified server to check if it is
responding properly)

Usage (use ctrl-C to stop):

$ ping 192.168.81.1

PING 192.168.81.1 (192.168.81.1) from 192.168.81.2 : 56(84) bytes of data.
64 bytes from 192.168.81.1: icmp_seq=0 ttl=128 time=538 usec