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3
votes
1answer
90 views

Internet disappears regularly

About a month ago I installed the newest version of Linux Mint (14). I use Linux the whole day on my laptop but every 1-2 hours my internet connection (Wi-Fi) magically disappears for about 10 ...
1
vote
2answers
10k views

Can't connect to a wireless network in Arch Linux netctl

I just installed arch linux on my laptop. But after rebooting, I can't connect to the internet. Wi-fi is the only available connection to me. I used the command wifi-menu then after choosing my ...
1
vote
1answer
315 views

Networking not working on ubuntu server 12.10 on B75MA-P45 mobo

Just got some new parts to but together a local development server with Ubuntu server 12.10 and I can't get networking working. I have an airport extreme for my router and it works find with CentOS ...
0
votes
1answer
52 views

No internet access for system services; however, browser access works

Unable to reload repos via apt-get, aptitude, or synaptic. Dropbox does not connect or sync. Pithos does not connect to pandora.com. Chrome and Firefox browsers do work fine. I have been unable to ...
0
votes
1answer
113 views

Problem in connecting server to Internet

I just have setup a Linux server. But currently I am having problem in connecting to the outside world. I am not able to do wget,apt-get or ping. Here ar some relevant details: $ping google.com ...
2
votes
2answers
164 views

Using Wireshark on Linux to observe coupled HTTP-request and HTTP-respond

I use Wireshark on Linux to observe my HTTP traffic. Other programms like Firefox Live Http Headers show coupled http-request from my browser and http-respond from any server. How using programs like ...
4
votes
1answer
106 views

Determine monthly internet transfer to detect right FUP

I live in a country where many ISP (internet service providers) have FUP (fair use policy, limit on amount of data transferred). I need to get a new connection and I would like to measure how much ...
2
votes
2answers
901 views

Port forwarding and masquerading

What is the relationship between port-forwarding and masquerading? If server A is configured to masquerade its clients, and client B accesses the Internet through server A, then since client B is ...
3
votes
1answer
1k views

Share Internet Connection from computer to new router

On my linux computer I have an external wlan adapter which is connected wirelessly to internet (an access point). Now I want to connect my linux computer via ethernet cable to a new ddwrt router. This ...
2
votes
1answer
244 views

Madwimax: modem connecting but no internet

I'm using the madwimax package to connect a Samsung USB modem to the internet. It has worked well before, on previous versions of Ubuntu, but now that I upgraded to Ubuntu 12.10 I have had problems ...
2
votes
2answers
3k views

Debian 6 internet problem: ifconfig doesn't show eth0

I just installed 64-bit Debian 6.06 on my ASUS K53S machine and internet is not working... Wireless is working fine. NetworkManager is doesn't show any wired connections and ifconfig in the terminal ...
1
vote
1answer
2k views

Debian Cannot Access Internet Despite Being “Connected”

I'm have a problem, I cannot access the internet. I'm using a dell inspiron 6400 with debian kernel 3.2 installed. My windows manager is xfce4. I was never able to figure out the wired network, ...
10
votes
2answers
375 views

Linux program to look into what you're downloading

Is there a linux program that allows you to look into your current download traffic? Something that can list all the addresses I am currently connected to and downloading from.
0
votes
0answers
343 views

How do you access internet in RHEL 5 using Android smartphone USB LAN? [duplicate]

How do you access the internet in RHEL 5 using Android smartphone USB LAN?
1
vote
2answers
3k views

Easily connecting to the internet with FreeBSD

I am a beginner at using UNIX, and I have a small Toshiba notebook computer which I installed FreeBSD 9.x on. I looked at the online handbook to try to find out how to connect to the internet, but ...
1
vote
1answer
20k views

How to use traceroute command in unix

how to determine if the server is slow or not with traceroute unix command . Here is the traceroute Out put of a host IP . traceroute 188.165.247.43 traceroute to 188.165.247.43 (188.165.247.43), ...
2
votes
2answers
3k views

How to install a TP-LINK network adapter?

How can I install a TP-LINK network adapter? I have 8 files for Linux driver they are: compat.h, crc32.h, ethtool.h, Makefile, mii.c, mii.h, sundance_main.c and readme.txt. I am new to Linux and am ...
5
votes
3answers
801 views

periodically can't access google

On a daily basis, at around the same time each day (early morning and early afternoon), my computer stops being able to access google or any sites that use google code (including sites that use google ...
3
votes
1answer
2k views

Can not connect wirelessly to internet in CrunchBang 10

I am trying to install Crunch Bang 10 on a clients computers. The problem is, wireless internet is not working. Internet on the computer has worked before when it had Lubuntu on it. I have wired ...
6
votes
1answer
3k views

Terminal commands equivalent to NetworkManager's “Use as Hotspot” option

I'm making a gui application which will control my laptop in order to make it act as a wifi hotspot. I may change distributions so I want to find a solution which will work generally for all ...
2
votes
0answers
604 views

PPPoE connection problem

I have just installed Backtrack 5 R2 and I'm finding it difficult to make a DSL internet connection. What troubles me is that I think I have all the steps figured out, and after completing them, the ...
1
vote
1answer
10k views

How do you connect to the internet in backtrack 5 R2

I have recently installed backtrack 5 r2 so it dual-boots alongside windows. However for some reason I'm finding it difficult to make a wired connection using wicd. I know that the connection itself ...
6
votes
1answer
4k views

NAT (Internet connection sharing) switching between multiple public interfaces

My Ubuntu 12.04 (precise) laptop has three network interfaces: eth0: wired interface sometimes connected to the Internet wlan0: wireless interface sometimes connected to the Internet vboxnet0: wired ...
1
vote
1answer
2k views

Broadcom wireless card in with Fedora 16

I just installed Fedora as a dual-boot (other OS in Win7) on my Dell Inspiron 1750 and, of course, the wireless card is missing firmware. The wireless card is called Dell Wireless 1397 WLAN ...
2
votes
2answers
3k views

CentOS: Sharing WLAN for internet access

I have installed CentOS 6.2 on HP Proliant server. I want to share my USB wireless internet (Tata photon +). I am able to start internet on my server, but when I enable my LAN, I don't have internet ...
3
votes
2answers
2k views

Debian: No internet connection on reboot

A server I develop on ran out of memory during an overnight job and had to be rebooted. Upon reboot, it no longer has an internet connection. I've exhausted my google-fu abilities trying to ...
4
votes
2answers
47k views

Host unreachable and I do not get why

I can not open a specific website. This is a website hosted by our company, and I know it is up. However, these are my symptoms: VARIABLES: host.com - the website I can not open x.x.x.x - the IP of ...
5
votes
2answers
3k views

Preventing program from using internet

Is there a way to block certain programs from being able to connect to the internet in Debian (a firewall blocking outgoing connections), so for example, to block a windows program running in wine ...
1
vote
2answers
562 views

Add in `whois` servers

Does anyone know how to configure the whois command to add in whois servers for the whois command? FYI: it's not whois, the one that's on OSX. Would have posted in Apple version but figured I'd get ...
0
votes
1answer
113 views

Where are internet connection logs stored in Mint12 x64 and how to analyze them

I am a novice in Linux who just switched from Windows. Today while I was surfing internet I got a message on screen "XXX.XXX.XXX.XXX" IP is trying to view your screen. Click yes to continue? I ...
3
votes
0answers
292 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
557 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 ...
9
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
3k 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
708 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
244 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
870 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
686 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
588 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
432 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
196 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
1k 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
396 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 ...