A computer network allows sharing of resources and information among interconnected devices.
0
votes
1answer
14 views
Need to add virtual interface in Suse Enterprise Server edition permanently
How can I add virtual interface in SUSE Linux Enterprise Server 11 permanently?
1
vote
1answer
25 views
How do I generate an SNMP community string for MRTG?
I have trying to set up MRTG on my server, following this guide: https://help.ubuntu.com/community/MRTG
I followed it as far as,
cfgmaker ...
0
votes
0answers
29 views
Difference between virtual interfaces with ifconfig and iproute2
I am wondering what is the difference between:
# ifconfig eth0:0 1.1.1.1/24
and just
# ip addr add 1.1.1.1/24 dev eth0
Btw I cannot do
# ip addr add 1.1.1.1/24 dev eth0:0
RTNETLINK answers: ...
0
votes
0answers
30 views
Ping wireless interface from wired interface
I'm performing some wireless measurements. The setup I'm now using is composed of a WiFi AP and two laptops. One laptop (A) and the AP are connected to a common switch, while the second laptop (B) ...
0
votes
0answers
19 views
Why is dolphin trying to connect 127.0.0.1:1113?
I'm running dolphin without KDE4 environment, today after the upgrade of KDE4 in Arch, I can no longer use the Propertity context menu anymore.
So I tried to find out what's happending, here's part ...
5
votes
3answers
57 views
How to test the quality of my network connection for VoIP services
Sometimes when using VoIP I experience disruptions. I would like to check if the problems could be caused by my internet provider.
How could I best test the quality of my bandwidth (throughput and ...
1
vote
2answers
45 views
Manual configuring network interfaces on Cubieboard
I have installed Cubian (It's Debian for the Cubieboard). After the system has started, the wired network works fine. I've read this and configured the network interface(I added only the wlan0 ...
2
votes
1answer
36 views
Linux GUI to track connections made from/to this computer
Is there a GUI to track any socket connection sent to this computer and which program that initiates it?
Also if possible track any incoming connection sent to this computer and which program that ...
10
votes
2answers
221 views
Is there an easy way to programmatically extract IP address?
Is there an easy way to programmatically extract IP address, without tedious parsing of ifconfig? I would not mind simple command output processing using sed to do it but not processing multiline ...
2
votes
0answers
16 views
Mint changes default route when eth0 comes back and breaks existing tcp connections
I have two interfaces on my laptop (eth0, wlan0). lets say I am moving away from desk and connecting to an internal network A using openvpn software which uses wlan0 as gateway. I then ssh to a few ...
1
vote
2answers
41 views
IP packets have wrong source address
I have two 4g modems connecting to a network and sending and receiving data. There is a problem though, as the modems keep getting kicked off the network because the source IP address of the packets ...
6
votes
1answer
53 views
Is “zero-copy networking” implemented by default on Linux?
I saw this article:
http://lwn.net/2001/0419/kernel.php3
Zero-copy networking will be in 2.4.4. This patch, by David Miller,
Alexey Kuznetsov, and others, has been in development and testing ...
1
vote
2answers
29 views
Can an arbitrary app read data from a multicast UDP port?
For example, postgres does the following as shown with lsof -i:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
postgres 29200 postgres 8u IPv6 470362 0t0 UDP ...
3
votes
1answer
75 views
Strange ping behavior
I built a linux distribution using the Yocto Project, with little customization. It runs on a Single Board Computer.
When I ping this machine, I get the following result:
PING 10.128.11.1 ...
1
vote
1answer
39 views
How to set up a “child” proxy that doesn't need a “parent” proxy
I run Linux on a laptop that is sometimes on a corporate network which uses an NTLM proxy server, and thus I have cntlmd running on the laptop as a child proxy to connect to the parent (corporate) ...
