Linux Networking
in [Network]
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Elementary SNMP Monitor software I have a network with 3 Linksys wireless devices, a WET-54G, a WRT-54G, and a WAP-54G that I would like to monitor for signal strength, S/N ratio, packets / octets handled, etc. 'Very basic and very limited in scope, so I don't need anything like Enterprise Class software.I just want a simple health and s... 15 Mar 2010 07:52
Send traffic from one serial port out to another serial port Hi, We've got a system where we need to occasionally in effect link two serial ports together on our system which is running linux. Scenario (/dev/ttyS1) <radio> --- rs232 -- [linux system] --- rs232 -- <terminal> (/dev/ttyS0) Normally the terminal talks to the linux system which sends traffic if nee... 11 Mar 2010 07:48
Network traffic monitor - tip from expert Which network traffic monitor do you use ? I don't feel like downloading blindly from the internet. Thanks. ... 16 Mar 2010 05:45
Determining the presence of wireshark Hi, How to determine the presence of wireshark in a network ? Are there any specific packet types exchanged while it is present in the network so that it can be used to determine its presence in the network . Any tool to identify its presence in either Windows or Linux ? Any ideas ? Thx in advans, Karthik Bala... 5 Apr 2010 06:06
how to inform pppd Session-Timeout value using radius Hi, I am trying to set up a vpn service using radius+mysql+pptpd+pppd, so far everything is right that user in table radcheck can login using the config'ed password. Now I want to control the behavior of a ppp connection from the server side, e.g. forcing disconnecting a user. pptpd is not a decent NAS that... 9 Mar 2010 01:18
what is UUID of a network card Hello, I had noticed that there is an entry called UUID in the network configuration file in newer Fedora distros; this UUID entry did not exists on older distros. My question is: for what is this entry? what will happen if I will comment it? I am talking about /etc/sysconfig/network-scripts/ifcfg-eth0 configu... 7 Mar 2010 16:15
find and autofs I have a few cron jobs which start jobs like 'find / ....' and these jobs, in cooperation with autofs tries to mount all of the hosts in my /etc/hosts file as //net/somehost.fdqn.blah How can I constrain find to not try to search the network? My best guess is to constrain it by filesystem type. I thought find ... 9 Mar 2010 12:19
iptables rule Hi, I want a service on a server in my DMZ to be available via the standard port for internal machines but on a non-standard port to the outside. I have on my firewall machine $IPTABLES -t nat -A PREROUTING -d $SERVERIP -p tcp --dport $EXTPORT -j DNAT --to $SERVERIP:$INTPORT and this seems to work to make the... 6 Mar 2010 19:34
Timer for every frame ? Hi, In the case of error control, the positive/negative acks play a great role to help the sender in deciding on the retransmission. It seems that the sender has to maintain a timer for every frame in Data Link Layer. But, wouldn't maintaining a timer for every frame a very high overload in high speed connection... 4 Mar 2010 21:23
ANNOUNCE: Exscript 2.0 Introduction ------------- Exscript is a Python module and template processor for automating Telnet or SSH sessions. Exscript supports a wide range of features, such as parallelization, AAA authentication methods, TACACS, and a very simple template language. Please refer to the project page for updated documentat... 4 Mar 2010 15:47 |