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3
votes
0answers
289 views

MAC OS X lion mac address spoofing problem

I have to change the MAC address of my Macbook due to ISP issues. I changed it using: sudo ifconfig en1 ether my_new_mac_address And it is changed successfully when I check it through: ifconfig ...
0
votes
2answers
511 views

SSH connection does not work while browsers do

I have the following network layout: Internet comes true fiber optics to modem. From modem LAN cable goes to router. Since that router wifi signal is weak, a LAN cable goes to another router from ...
2
votes
2answers
2k views

Block Internet Access for 1 User [duplicate]

Possible Duplicate: How to restrict internet access for a particular user on the lan using iptables in Linux I have 4 accounts on my computer (I have root access). I want to block off ALL ...
3
votes
2answers
1k views

How to check and block processes connecting to internet directly?

Is there a way to find which processes in my system are getting connected to net automatically. Is there a way to select and block net access of some processes permanently? I use mint 11. I use a USB ...
8
votes
2answers
5k views

Merging two internet connections from two network interfaces in order to obtain double speed

I have two network interfaces (one wired & one wireless). I have two internet accounts too (each 256 kBps; one from a modem that I use as wired connection & the other from a wireless network). ...
2
votes
1answer
2k views

Where are Proxy Settings Stored?

I'm coding a small application that connects to the Internet and retrieves information from my server using bsd socket. I looked at where the proxy settings are stored under Linux but i couldn't the ...
2
votes
1answer
5k views

Linux Mint 11 won't connect to Windows 7 Wireless Ad Hoc

I apologise if this question has been asked before, but I am not exactly sure what I should be looking for, hence my reason for posting a new question. I am a newbie to Linux and have been using ...
3
votes
0answers
684 views

Pinguy OS 11.04 WiFi and Wired Networking is not working

I was attempting to install Pinguy OS from a YUMI created USB thumb drive, with the computer wired to my router. The internet, however, was not working. After the install, it still is not working. ...
2
votes
1answer
2k views

Automatic internet connection on startup in OpenBSD?

I just installed the OpenBSD in my computer. I am completely new to Unix-like operating systems. I've learned how to connect to my wireless network using the following commands (even though I don't ...
3
votes
4answers
227 views

Internet SSH Server Security Considerations

What steps should I take to reasonably secure my linux desktop before opening sshd to the Internet so I can connect from anywhere?
2
votes
1answer
739 views

Measuring internet link downtime

My ISP is known for having frequent downtimes. I use a ubuntu 10.04 based server as a primary gateway for my NAT network. I am looking for a tool or script that will measure the duration of each down ...
0
votes
2answers
666 views

Installing IE under linux Ubuntu 10.10

I want to install IE browser in ubuntu 10.10. I have done it using wine but its not working. Is there any possibility to install IE?
0
votes
1answer
1k views

Fun, tricky and hard questions for Unix/Linux Admin interview [closed]

I am now preparing process of recrutation for group of Unix/Linux Administrators and I was wondering if maybe you have idea for fun or tricky or hard questions to ask the candidates in order to test ...
2
votes
1answer
1k views

Bonding wireless and 3g on Fedora 15

I have access to the internet through either wireless or a 3G CDMA card. Is it possible to bond both connections and join the bandiwdth and have a failover?
1
vote
1answer
529 views

Test FTP Username and Password

I'm working on a program that involves uploading some files via FTP. However, I'd like to abort the process if the username and password given by the user are incorrect. Is there any way to "test" if ...
2
votes
1answer
399 views

Can't access HTTP contents, but HTTPS and SSH are fine

I'm having a weired issue wih my Fedora 14 recently. Many details involed. Let's start from this: I've been using Fedora 14 for months, and recent few days, offten I can't access Internet for hours. ...
2
votes
2answers
187 views

Commandline tool for comprehensive and integrated testing of internet connectivity

Is there a commandline tool for GNU/Linux which will analyse download and upload speed, packet-loss, latency and other factors which will indicate internet connectivity status?
2
votes
2answers
2k views

Updates/applications/packages for Ubuntu 10.10 with no internet connection

I recently installed Ubuntu Desktop 10.10 (i.e 2h ago :D) from ISO CD. All went smoothly but now I have an issue. I don't have a network connection. I do not mean that there is a configuration ...
1
vote
2answers
970 views

iptables rule for local network with free internet blocking unrequested connection from internet to server?

I have a home server (with slackware 13) with a eth0 for the local network and a eth1 for the internet (cable modem with dynamic ip). While I do want to learn more about iptables I am still on the ...
4
votes
3answers
361 views

Is it possible to simulate “no external access” from a Linux machine when developing?

Sometimes I upload an application to a server that doesn't have external internet access. I would like to create the same environment in my machine for testing some features in the application and ...
1
vote
1answer
969 views

Can't connect to internet in Ubuntu 10.10

I'm having trouble getting Ubuntu connected to the internet in vmware fusion. Every other Linux distro has no trouble... ifconfig shows that eth0 is up and running, has been assigned an ipv4 address ...
4
votes
1answer
2k views

Share Internet connection from a Debian laptop to a FreeBSD desktop

I have this situation: My Debian laptop is connected to the Internet via its wlan interface through my wireless router. Recently I decided to install FreeBSD on a very old machine (a celeron 300Mhz) ...
4
votes
1answer
2k views

Internet(ADSL) connection doesn't seem to be working on Arch

I've already set up ADSL and used it already for a system update, so I'm sure the set up is ok but pacman suddenly stopped working and when I checked ping wasn't working too. How can I find out what ...
8
votes
2answers
1k views

Measuring internet connection quality

I'm having WLAN trouble on my dualbooting win/linux laptop - the connection on linux side has occasional trouble, and seems somewhat slow and chunky. I would try to fix this issue by fiddling with all ...
5
votes
2answers
883 views

Adding a network card to the modprobe file

I'm trying to setup an ADSL connection on an Arch Linux machine. I read the Arch wiki article on Internet Access, but I'm still confused -- how do I add my network card to the modprobe file?
9
votes
3answers
4k views

Can't access select https sites on Linux over PPPoE

My internet connection used to be a direct LAN connection to my provider. Back then, everything would load fine on both Windows and Ubuntu (dual boot). However, a while ago they started needing me to ...
2
votes
1answer
695 views

Blacklisting websites for certain users

This question is two part. First, If I had a list of websites that I would've liked to block. How do I tell my computer do to block those and any relevant subdomains? Secondly, How do I get this ...