A method of connecting to the internet through an intermediary (a proxy server) which handles connections and redirects them.

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24
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3answers
140k views

how to install packages with apt-get on a system connected via proxy?

I've got an Ubuntu 11.10 system connected via a proxy to the internet, and I would like to install packages via apt-get. When I try to do that I get this error message: sudo apt-get install ...
74
votes
9answers
111k views

How do I get add-apt-repository to work through a proxy?

I'm trying to follow the "Installing Cross Toolchain on Ubuntu 10.04 (Lucid) and 10.10 (Maverick) Hosts" instructions on wiki.linaro.org (on my Ubuntu 10.04 VM). The first step is: sudo ...
56
votes
5answers
156k views

How do I set systemwide proxy servers in Xubuntu, Lubuntu or Ubuntu Studio?

I cannot find the settings anywhere do I have to set it through terminal through gconftools or is there some GUI present for it?
27
votes
10answers
107k views

407 Proxy Authentication Required

When I try to install a software using Ubuntu Software center I get: Failed to download repository information Check Your Internet connection When I try to do a apt-get install something, I get: ...
11
votes
3answers
16k views

Apt-get update with an @ in password error

I want to update ubuntu 11.04 throught apt-get. So I added the following lines in apt.conf export http_proxy=http://username:password@proxyserver.net:port/ export ...
12
votes
3answers
41k views

Where are the system-wide proxy server settings?

I access my Internet connection through through a proxy server. All I need to enter is HTTP address and port. Where can I enter these for system-wide settings? Note: this question and answers ...
16
votes
9answers
146k views

How to configure proxy authentication to work with Ubuntu Software Center?

I have tried put in apt config Acquire::http::proxy, and in Network>Network proxy with and without user:password@server:port and using environment variables http_proxy and https_proxy. Nothing seems ...
5
votes
3answers
14k views

apt-get 403 Forbidden

I've start a new job today and I am trying to set up my machine to run through their Windows server. I've managed to get a internet connection through the server now but now I can't run apt-get ...
51
votes
2answers
169k views

How do I configure proxies without GUI?

How do you configure proxy settings in the Ubuntu Server or Minimal (CLI) versions using the terminal?
31
votes
2answers
134k views

Update Ubuntu 14.04 to 15.04

Currently I have Ubuntu 14.04 in my laptop and now I want to update it to 15.04. I have Windows 8 and Kali Linux along with my Ubuntu. How should I update my Ubuntu to 15.04 without losing my other ...
48
votes
10answers
4k views

Can't update because the word prox* is blocked

I live in Ethiopia and the government blocks all urls with the word "proxy" in them. I couldn't use that word in the title above because that would make the url contain the word proxy. When I ...
10
votes
9answers
83k views

How to check if Network Proxy is really applied?

I'm trying to set Network Proxy to use my LAN's internet connection to update packages. while the proxy settings works on my firefox, but the package manager still cannot connect to Internet. I have ...
12
votes
3answers
14k views

How do I add a repository from behind a proxy?

Hi I've a problem at the office. We're behind a proxy (which is set and applied at ubuntu proxy settings) and when I try to add a repository from terminal, I get: Error reading --some url here--: ...
12
votes
3answers
23k views

How can I configure proxy authentication?

The Ubuntu 11.10 has only simple proxy configuration. Where is the authentication option? so it can be used to download packages?
10
votes
3answers
44k views

How do I set a system wide proxy with a username and password?

I'm trying to set a system wide proxy, and I'm specifically having difficulties with apt-get for installing applications on my Ubuntu. I'm in a university using a proxy server with username/password. ...
14
votes
6answers
12k views

Ubuntu One behind a proxy, how to make it work?

I am behind a web proxy server at work (no authentication) and I have set it up in Gnome (configuration applied system-wide). It works fine for accessing internet with a browser, but numerous ...
4
votes
2answers
15k views

Internet slow on Ubuntu 14.04

I've installed Ubuntu 14.04 on my HP i7 Laptop. It is dual-boot setup along with Windows 8. Ubuntu ----installed on--> SSD 32Gb Windows 8 ----installed on--> HDD Problem: Internet works much ...
6
votes
8answers
33k views

Proxy settings not working

I just installed Ubuntu 11.10 with Wubi and I am currently on a campus that requires the usage of a proxy server. I went into System Settings/Network/Proxy Settings. Didn't work. I manually set the ...
17
votes
1answer
59k views

Cannot Add PPA Behind Proxy Ubuntu 14.04 [duplicate]

I am unable to add a repository via the command line on Ubuntu 14.04. Apt-get works perfectly fine, and I am able to update the system. I have configured my /etc/apt/apt.config file as follows: ...
21
votes
1answer
34k views

Where to set proxy ignore list?

I upgraded to ubuntu 11.10 from 11.04, shocked to see few things... My system is behind a proxy, so I did set a proxy setting. Being a web developer, I want to remove a lot of addresses that I type ...
19
votes
5answers
69k views

Google Chrome proxy settings?

When I try to set Google Chrome's proxy settings (on chrome://linux-proxy-config/), I get the following message: When running Google Chrome under a supported desktop environment, the system ...
9
votes
3answers
18k views

syntax for SOCKS proxy in apt.conf

I want to add SOCKS proxy settings to /etc/apt/apt.conf. What is the syntax for it? Is it same as http and ftp syntax? Thanks.
7
votes
1answer
4k views

How can gnome based applications such as rhythmbox use a proxy

I happen to be using xubuntu but I dont think the desktop-environment is applicable in this context. I noticed that some gnome-based applications such as rhythmbox cannot fetch any information from ...
0
votes
1answer
412 views

Proxy Authorization Required

I am using Ubuntu 14.04 LTS(64 bit) Problem I am not able to access internet due to failed proxy authentication process. I have specified a proxy server in FireFox -> Network ->Manual.. As soon as ...
0
votes
2answers
7k views

Tor check failed though Vidalia shows green onion

I have installed tor successfully and Vidalia shows it is running without problems; however, when I check if I am using tor in this website I get an error message saying I am not using tor. I have ...
14
votes
6answers
38k views

Best way to set up DNS caching?

In order to speed up DNS lookups, I want to install a DNS cache or proxy. I can see at least three programs I think will do the job: bind9, pdnsd, or dnsmasq. I would like to make sure that if I ...
14
votes
1answer
4k views

How do I ignore a proxy if not available?

Following the instructions in Best way to cache apt downloads on a LAN?, I've set up a caching proxy in my local network. Since that machine is not always up, I'd like to be able to refresh the ...
19
votes
9answers
7k views

How can I access Facebook and other forbidden websites in China?

I'm flying to China soon for a long time, so I'd like to know how to configure my Ubuntu 11.04 so I can access forbidden websites (like Facebook) I've heard about VPN and Proxy, but I don't know how ...
5
votes
3answers
33k views

How do I reset proxy in terminal to automatic if not connected via proxy

I tried to reset proxy of the terminal by some commands but it doesn't happen and automatically switches back to this proxy 172.16.0.16 (which apparently was my college proxy). I checked in my ...
8
votes
2answers
16k views

Is there any utility like `Proxifier` for Ubuntu?

I'm looking for a program which acts as a proxy manager for Ubuntu just as Proxifier does for windows.
13
votes
3answers
33k views

Proxy exceptions in 12.04 LTS

How do I setup proxy exceptions under Ubuntu 12.04? Already tried the proposed solutions for earlier Ubuntu versions and none seem to work. There is no Network Proxy Preferences in 12.04 AFAIK. ...
11
votes
2answers
29k views

What happened to /etc/apt/apt.conf?

I was browsing through the apt folder to try my proxy settings and I was unable to find the apt.conf file in Ubuntu 11.04. Is there any alternative file for it? Adding proxy settings to 99-synaptic ...
7
votes
3answers
17k views

How can a proxy be set for the whole xubuntu system?

Hello I need to find out how to enable a system wide proxy in xubuntu 10.10
5
votes
1answer
16k views

Set up Proxy server on Ubuntu

Few years ago I have configured proxy server on freebsd by IT guys. it's functions register computers by MAC address. filter web sites, messengers, downloads set few computers without internet ...
5
votes
2answers
1k views

Is there a chat application that supports a proxy?

I've upgraded to Ubuntu 11.10 and it seems that it has a lack of support for internet connections with a proxy. Pidgin has stopped working, and when I go to the Proxy tab, under the settings window, ...
4
votes
2answers
3k views

How do I set a global SOCKS proxy in Xubuntu?

I saw a similar thread here, but this doesn't specify how to specify a SOCKS proxy globally. In vanilla Ubuntu there was a proxy configuration program that affected the entire system. Is there ...
7
votes
1answer
50k views

How to make Transmission download torrents behind a proxy?

Can anyone help me configure Transmission to download torrent files behind a proxy? I have http_proxy set in my .bashrc.
2
votes
4answers
14k views

apt-get doesn't work behind a proxy

My company uses an HTTP proxy and our various Ubuntu 12.04 servers therefore need to be configured properly, namely by setting \etc\apt\apt.conf.d\80proxy to: Acquire::http::Proxy ...
5
votes
0answers
19k views

How to use apt-get/synaptic behind a proxy? [duplicate]

Possible Duplicate: apt-get does not work with proxy I use net connection that needs proxy, user name and password, I can access to the net by firefox, but I can't update my system or use ...
2
votes
2answers
6k views

GPG error in Ubuntu update

When I run the sudo apt-get update, it results in the following Reading package lists... Done W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified ...
0
votes
1answer
8k views

Proxy configuration change

There used to be an option in proxy configuration that was: Use this proxy server for all protocols However, in 12.04, I can't find it. Is there anyway to reproduce its behavior in a handy way? I ...
13
votes
5answers
28k views

Can't complete dropbox installation from behind proxy

Problem: My PC on campus sits behind a proxy (requiring authentication) and I can't setup Dropbox. I am convinced that this is a proxy issue as I can't setup Ubuntu one either (but I don't use Ubuntu ...
11
votes
5answers
21k views

How to access blocked sites?

I am in Pakistan and YouTube is blocked here. I want to take the Lecture videos from YouTube. In Windows, I was using Hotspotshield to bypass the proxy. But now, using Ubuntu, I don't know how to ...
8
votes
3answers
19k views

How to use “apt-get” via “Http-proxy” like this?

I'm trying to use apt-get command on a network that uses a proxy, like this: We use 10.114.7.7 on port 80 as Http-proxy, and after that an authentication window comes up, asking for user name and ...
7
votes
3answers
107k views

apt.conf “Acquire::http:Proxy ”proxyserver:port" seems not to be used (Ubuntu 13.04 under Virtual Box on Win7)

This is for an installation of Ubuntu 13.04 Desktop in a VirtualBox VM. I'm on a corprate network with an HTTP proxy at x.y.z.251:9090. I've configured the guest OS with the autoconfiguration script, ...
6
votes
3answers
99k views

How to use a proxy on the command line?

I can set my proxy username and password along with proxy settings in the proxy ui but these settings do not work on the command line. How can I use apps such as wget & ping on the command line ...
7
votes
1answer
19k views

iptables doesn't redirect http traffic to my Squid proxy!

I arranged a transparent Squid proxy which listens to port 3128 on localhost, to block some web sites. I've tested the proxy using Firefox, and it works. Then I ran this, hoping to redirect all the ...
1
vote
3answers
10k views

no internet for terminal- connect through a proxy

I'm using newly installed 13.04 on my lap. I've connected to wifi connection in our university and configured the proxy settings in network settings. I can access web and even software updater work ...
12
votes
3answers
19k views

Adding a ppa repo and get key signed - no valid OpenPGP data - proxy issue?

I want to get a ppa key signed I tried apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A258828C Executing: gpg --ignore-time-conflict --no-options --no-default-keyring ...
5
votes
4answers
28k views

How to configure Software Center to work with HTTP proxy?

I installed Ubuntu 12.04 LTS using the Windows installer (Wubi) yesterday. And then I tried to install Chrome, Flash player, etc., but nothing worked. Then I tried installing some random package using ...