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24 Cards in this Set
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- Back
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netconfig is used for configuring IP addresses, gateway, and DNS server information. In many cases you must be root to change network information but GUI programs ease this process.
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In todays world there are GUI network tools on nearly any GUI linux machine. Use them. However; working drivers for some network cards are still an issue on certain linux distributions due to Licensing issues with the manufacture. (which is ironic b/c linksys is notorious for these issues and their firmware is based on linux code as of 2009)
NDIS WRAPPER is a good workaround but may not always work. I will assume your network card is installed, working and your network is setup correctly to give IP addresses. |
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where is the network information kept in linux
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cd /ect/sysconfig/network-scripts/
ls |
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now that you have a list of all network tools show me the configuration of your first ethernet card
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cat ifcfg-eth0
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what syntax tool is used to configure your network card
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ifconfig
(man ifconfig for more options) |
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bring up (or turn on your network card)
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ifconfig eth0 up 192.168.1.11
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edited to be blank
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click for next flashcard
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where is the network information kept in linux
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cd /ect/sysconfig/network-scripts/
ls |
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now that you have a list of all network tools show me the configuration of your first ethernet card
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cat ifcfg-eth0
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what syntax tool is used to configure your network card
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ifconfig
(man ifconfig for more options) |
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bring up (or turn on your network card)
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ifconfig eth0 up 192.168.1.11 netmask 255.255.255.0
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add a default gateway to your network card
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route add defaulf gw 207.12.144.222
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where is the nameserver information kept
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cat /ect/resolv.conf
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you can add a nameserver as well. what commands can I use to do this
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ifconfig and route
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ppp or point to point protocol is used for dialup connections. its not usually installed by default on linux machines. where would I go to modify PPP scripts to get a user on a dial-up connection
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cd /usr/share/doc/ppp-2.5.1/
ls (use the readme file...good luck) |
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assuming you are already setup properly to use dial-up. how do you connect to the internet.
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ppp-on
ppp-off (will disconnect you) |
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connect to a remote machine
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telnet ubuntu.org
type your username and password. these passwords are NOT encrypted. USE SSH TO LOG ON ENCRYPTED AND SAFELY. |
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use SSH to connect to a computer
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ssh -l
(man ssh for additional options) |
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use the FTP protocol to transfer files over the internet
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ftp (press enter and you will be given an arrow prompt > )
(man ftp or type help at this prompt for addition info) |
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download a file from the ftp server
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ftp > login with your info
cd yourfiles get yourfileslist.html /home/chris/randomfiles/yourfileslist_renamed.html |
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upload a file to the ftp server
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put /home/chris/randomfiles/yourfileslist_renamed.html yourfileslist_renamed.html
(note: this second name is not a typo. this is the name of the file you are uploading. You can name it whatever you like) |
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use the graphical version of ftp
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gftp
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setup your firewall. look on the internet for tips and info on linux security. or linux firewall tools. or linux exploits and vulnerabilities.
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GUI firewalls for linux. hacking tools for linux, and so on...
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what does a superdaemon do?
name some superdaemons for networking |
superdaemons call a service such as FTP on an "as needed basis" when not in use the service is shut off to save resources.
Example: inetd and xinetd |
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xinetd (pronounced: ZieyNet D)
is the next gen. security for linux on the internet. READ about it at xinetd.org ...this is the beauty of open source and a great example of community in action against mal-intent. |
you can configure xinetd as a secure replacement for inetd.
it stops 'denial of service' attacks. therefore I will not discuss inetd. you may (man inetd) on your own. At this point you should be connected to the internet so this tutorial is over. |
