Difference between revisions of "User:Scott/04"
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==DNS (view records)== | ==DNS (view records)== | ||
dig well.com | dig well.com | ||
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| + | [[#top|top]] | ||
=Reset Modem and Router= | =Reset Modem and Router= | ||
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DHCPA-CK of 192.168.1.8 from 192.168.1.1 | DHCPA-CK of 192.168.1.8 from 192.168.1.1 | ||
bound to 192.168.1.8 -- renewal in 36968 seconds. | bound to 192.168.1.8 -- renewal in 36968 seconds. | ||
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| + | [[#top|top]] | ||
===ifconfig=== | ===ifconfig=== | ||
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ping 74.125.225.48 (google.com) | ping 74.125.225.48 (google.com) | ||
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==DNS (view records)== | ==DNS (view records)== | ||
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Protocol IPv4 - 192.168.1.x | Protocol IPv4 - 192.168.1.x | ||
Hardware address: 00:17:08:5f:dc:73 | Hardware address: 00:17:08:5f:dc:73 | ||
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==Ping Tab== | ==Ping Tab== | ||
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System -> Preferences -> Startup Applications | System -> Preferences -> Startup Applications | ||
EDIT = nm-applet --sm-disable | EDIT = nm-applet --sm-disable | ||
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=Network Cards= | =Network Cards= | ||
Revision as of 07:41, 21 October 2011
Network Troubleshooting -------------------------------- Home Page user:scott Tech Support user:scott/02 Dir & Files user:scott/03 Network user:scott/04 Troubleshoot user:scott/05 Laptops user:scott/06 Resources user:scott/07 Notes user:scott/08
DHCP syn ak
sudo dhclient
Open Ports (view)
nmap -P 0 localhost ( sudo apt-get install nmap)
TCP/IP Open Connection
lsof -i (domain names) lsof -i -n (ip address)
DNS (view records)
dig well.com
Reset Modem and Router
Unplug Modem and Router Reset Modem and Router (paper clip) Reboot Machine Browser Off-line?
BASH Shell (TS connection)
Adapter or Onboard
lspci
lspci - Ethernet controller: Broadcom Corporation NetXtreme BCM5752 Gigabit Ethernet PCI Express (rev 01)
lsusb
lsusb - Bus 001 Device 003: ID 13b1:0026 Linksys
DHCP
DHCP Discover
sudo dhclient Listening on LPF/eth0/00:17:08:5f:dc:73 Sending on LPF/eth0/00:17:08:5f:dc:73 DHCP-REQUEST of 192.168.1.8 on eth0 to 255.255.255.255 port 67 DHCPA-CK of 192.168.1.8 from 192.168.1.1 bound to 192.168.1.8 -- renewal in 36968 seconds.
ifconfig
ifconfig
eth0 Link encap:Ethernet HWaddr 00:17:08:5f:dc:73
inet addr:192.168.1.8 Bcast:192.168.1.255 Mask:255.255.255.0
wlan0 Link encap:Ethernet HWaddr 00:18:39:1d:31:d0
inet addr:192.168.1.7 Bcast:192.168.1.255 Mask:255.255.255.0
iwconfig
iwconfig
wlan0 IEEE 802.11bg ESSID:"Karen's Wireless Network"
Mode:Managed Frequency:2.437 GHz Access Point: 00:18:01:FE:AB:AC
Ping (gateway)
ping localhost 127.0.0.1 ping gateway (route -n) ping 74.125.225.48 (google.com)
DNS (view records)
Dig well.com (DNS NS + A records no MX records)
ping well.com traceroute well.com (if installed)
Network Tools (TS Connection)
System -> Administration -> Network Tools
Devices Tab
loopback Interface (lo) Protocol IPv4 - 127.0.0.1 Hardware address: Loopback Ethernet Interface (eth0) Protocol IPv4 - 192.168.1.x Hardware address: 00:17:08:5f:dc:73
Wireless Interface (wlan0) Protocol IPv4 - 192.168.1.x Hardware address: 00:17:08:5f:dc:73
Ping Tab
ping 127.0.0.1
Netstat Tab
Determine gateway 192.168.1.x ping gateway ping 74.125.225.48 (google.com)
Lookup Tab - DNS Records
lookup 208.17.81.205 (well.com) lookup well.com (default information) lookup well.com (Mailbox Exchange)
Traceroute Tab
traceroute 74.125.225.48 (google.com) traceroute google.com traceroute 208.17.81.205 (well.com) traceroute well.com
Network Manager
System -> Preferences -> Startup Applications EDIT = nm-applet --sm-disable
Network Cards
==PCI Adapter== AZIO AWD154B (802.11G Wireless PCI Adapter)
USB Adapter
Linksys Wireless-G USB Network Adapter with SpeedBooster v2