Ubuntu Networking :: Add Repos By Terminal Behind Proxy?
Jun 21, 2011
We use an authenticated proxy in my university.I am not able to add repos by sudo apt-get-add-repository.I get the following error(for firefox for example) Error reading https://launchpad.net/api/1.0/~mozil.../firefox-next: <urlopen error [Errno 111] Connection refused>
I have tried ti change the port by this method[URL].. But it didn't work out.apt-get update and upgrade work fine.Adding repos worked fine at home. Kinda new to Ubuntu(really loving it by the way),so please give a bit elaborate explanations
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Jan 25, 2010
How can I edit the system proxy setting using the terminal? Which file contains this settings? I want to edit this automatically using cronjobs, cause from 8-5 I need to use a proxy, but at home I don't need the proxy. How do I fix this?
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May 26, 2010
How can I make terminal applications immune to terminal emulator close, but still able to use all virtual terminal features?
egin{UPDATE}I want my terminal application remain alive and accessible if I accidentally close terminal emulator. This functionality is provided by screen and tmux, but they have issues with colors and they flush screen.Yes,I can run the shell inside screen, but I do not want the shell remain alive unless there is some other program running.
end{UPDATE}I see this must be something like screen, but without VT100 terminal emulation, something which will just apply whatever application does with "terminal proxy"'s terminal (like outputting something to stdout/stderr or using stty to set terminal options) to the terminal this proxy runs in.
// I know about screen and altscreen on, but it makes either this (screen with TERM=screen):
or this (screen with TERM=rxvt-unicode):
while I want this (rxvt-unicode without screen):
I have figured out that everything looks fine if I compile rxvt-unicode with USE=-xterm-color (in fact vim looks like on the second picture even without screen if I add this USE flag) and set TERM=screen-256color, but I do not like this workaround because it actually changes colors and I can't be sure that it will always change them only this way:
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Dec 9, 2010
Currently my DHCP Server is working now what i want to have is auto detection of squid proxy in any browser but I still got an error in my dhcp server when I restart it.
My Config:
# DHCP configuration generated by Firestarter
ddns-update-style interim;
ignore client-updates;
[code]....
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May 4, 2010
I would like to know how to add proxy ip addrees through terminal.. I have tried adding it through System->prefrences->network proxy.. After adding through GUI a file apt.conf gets generated under /etc/apt/...
But on that file only the proxy configuration settings are shown..but the entries what i entered in th eignore list is not showing in that file...so i woul like to know how to enter the ignore host entries through terminal.....
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Oct 28, 2009
At the moment I have a proxy and all the users have to configure it in the browser to access internet. I want to make the users able to browse even without configuring the proxy in the browser. but eventually it should be received in the proxy rather than giving an error to the user. I heard with transparent proxy I can redirect all the traffic from a particular network, to a particular host( ie my existing proxy).
I tried this using firewall rules. But then the existing proxy doesn't understand the protocol of the requests. I heard that it should be in the kind of proxy protocol.
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Jul 29, 2010
My laptop is behind a proxy and I use a proxy url like [URL] in firefox for connecting to the internet.
Using the same in terminal like below,
export http_proxy=http://proxyconf/proxy.pac
I am not able to download stuff with say wget. Example terminal output below.
wget -c http://fi.archive.ubuntu.com/ubuntu/...0.15-3_all.deb
--2010-07-29 12:31:16-- http://fi.archive.ubuntu.com/ubuntu/...0.15-3_all.deb
Resolving proxyconf... 147.243.4.73
Connecting to proxyconf|147.243.4.73|:80... connected.
Proxy request sent, awaiting response... 404 Not Found
2010-07-29 12:31:16 ERROR 404: Not Found.
How I make the terminal to use the proxy.pac script rather than just proxyconf?
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Oct 8, 2010
i am using ubuntu 10.04 i want to know how to authenticate the proxy settings for the terminal to install and d download package.
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Jan 22, 2010
is it possible to update repository via yum command like yum install/upgrade repositries
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Feb 23, 2010
I've setup squid proxy st time on centos 5.This is my current setup.squid.conf:Quote:acl our_networks src 192.168.10.0/24 ttp_access allow our_networksQuote:
internet -- modem -- Firewall --switch--squid proxy (192.168.10.100)
--client workstation ((192.168.10.200)
(client workstation is connected to the same switch as the squid proxy)
[code]...
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Jul 7, 2010
I've been trying to make myself anonymous, but I cant find 'Tor' anywhere, tried 'yum & kpackagekit' neither have it. I did find 'Privoxy', installed it, set proxy for HTTP and HTTPS in Firefox, but it says 'unknown proxy' when I try to use it! I've been to the Privoxy web site and read through the 'User manual', but most of it is 'geek' to me!
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Aug 12, 2010
I just installed the Lucid server, set IP address, Default gateway and Preferred DNSs and need to be able to use apt-get. Right now this is not possible and my guess is that I have not set the proxy used in my LAN (which is 192.168.255.60:8080) cause I have no clue how to do it.I can ping every other machine locally but not on the Internet...
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Feb 23, 2011
I am trying to set up my squid3 proxy as a transparent proxy - right now, I have to manually configure browsers to access via proxy. I understand that I have to put some rules into Iptables and also some further directives in the squid.conf.
I have a couple of specific questions. The proxy server is running on a Ubuntu 10.04 workstation and this machine also acts as a dhcp server for the network. I have just one subnet , namely 192.168.0.1-254 There is only 1 network card. Is it much easier to put in a second network card or is it just as easy to configure the existing lan card as a dual IP?
Is it necessary to configure these 2 IP's ( whether they are via 2 lan cards or dual IP on single card ) to be on different subnets. i.e ETH0 192.168.0.1 and ETH1 192.168.1.1 or is ok to have something like ETH0 192.168.0.1 and ETH1 192.168.0.254 ( where ETH0 is the one facing the LAN and ETH1 points to the modem router / switch i.e The Internet ) Where specifically do I save the Iptables rule configuration file and what must I call it ?
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Feb 27, 2010
I've been doing some security testing in a lab environment that does not have direct internet access. It's actually a little complicated: From home to connect to my lab machine, I
1. SSH to machineA.
2. SSH from machineA to machineB
where machineB is my actual lab machine. neither machineA or machineB allow anything other than SSH, and machineB is only accessible from machineA. However, I really need to run yum on machineB. I have managed to get internet access via Firefox on machineB by creating a series of SOCKS proxy via SSH.
1. machineB: ssh -L 12345:localhost:12345 user@machineA
2. machineA: ssh -D 12345 user@machineC
3. machineB: configure firefox to use socks proxy, localhost, 12345
where machineC has internet without limits placed. This is the only way I have managed to get internet working. I tried using ssh -L all the way from machineB->machineA->machineC but it didn't work (even when setting Firefox to use http proxy). I tried using ssh -D all the way, but again that doesn't work either.
I do have access via Firefox using socks proxy. However, yum update fails to retrieve mirror list, and from what I have found I don't believe yum supports socks proxy directly. Instead, it uses http_proxy / ftp_proxy. how to get yum to go out over the SOCKS proxy I created (same one using in Firefox)? It seems like since Firefox can access the internet and everything without issues, i should be able to get yum to tunnel through the same connection to access everything.... I tried
[URL]
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Aug 17, 2010
is there a way to force wget to use a specific squid proxy when making connections ? - I use a squid proxy normally, but I need this specific request to go via a different one. I dont have to use wget, I just need a way to test squid's blocking rules by requesting various pages through it, this proxy is not my normally proxy on the network and so I cant rely on wget taking the environment variable.
Also, this is as part of a script, so anything that avoids editing wget config files would be best. - Perhaps curl can do this ? - currently im using the exit code of wget to determine if the connection was made.
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Dec 8, 2010
I'm having an issue on multiple Lucid boxes where I can't get proxy ARP to work. This is to be used in conjunction with openswan IPSec. I've enabled forwarding and disabled sending/accepting ICMP redirects for each interface as per openswan's requirements. I've added the proxy arp lines for all, default, eth0, and lo to sysctl.conf:
Code:
net.ipv4.conf.eth0.proxy_arp = 1
I then connect the IPSec client, and I have connectivity to the server. When I try to ping (or otherwise access) something else on its subnet, I reach the intended target, but then it ARPs for the sending machine, and the Ubuntu server doesn't respond to the ARP.
I have an ARP entry that looks like this, added via arp -s 192.168.254.100 -D eth0 -i eth0 pub:
Address: 192.168.254.100 (the correct virtual IP for the client)
HWtype: *
HWaddress: <from_interface>
Flags Mask: MP
Iface: eth0
Best I can tell, everything is in order... I can listen in with wireshark on the server and see that it's receiving the ARPs, but I can't get it to respond to them.
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Mar 8, 2011
On Ubuntu, I know that a user can set a global proxy setting (through a gui, Network Proxy) which will affect all protocols (right?). However, I have set up a server box (no gui) and would like for most of its ports to not go through a proxy. Instead, I'd only like the activity that transmission-daemon does (but not the web UI) to go through a proxy. Is this in any way possible?
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Jul 8, 2011
I have been struggling to configure a squid proxy server on my ubuntu 11.04 VPS.
Following these instructions[URL].. it is all good BUT I don't want to have to SSH tunnel into the server. Just want to have a proxy set in my proxy server settings in firefox/chrome. Even lock the proxy to certain static IP addresses so no one else can use it except IPs I designate.
1. Can this be done without a VPN or SSH tunnel ?
2. What is the best way to put some security on the proxy server ?
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Feb 18, 2010
I'm behind a very blocked firewall that only allows connections through port 80 and 443. I wish to ssh to my machine at home, but the port is blocked. Is there a simple server that I can run to route my ssh connection through http?
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Feb 20, 2010
I've problems to connect my empathy trough my office proxy. I already configure my amsn to access to my hotmail account and it works but when I try to use empathy it just doesn't connect.
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Jun 28, 2010
Recently at work, they decided to block a wonderful site I used to access all day long (Facebook) so I'd like to be able to setup a proxy server on my Ubuntu box in order to access it from here as they wisely block all the other sites that allow one to proxy. What is the best one to do, and what would I need to do in order to be able to access it from an external IP, to include unlocking what ports on my wireless router?
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Jul 21, 2010
I'm in a hotel right now and apparently they got it blocked so that I can't download torrents or p2p. I plug straight into the lan. I don't know enough about networking. I know that torrent programs need access to certain ports to work. So is theyre firewall blocking the port? I've heard a proxy server can get around this problem for me. I don't know anything about proxy servers or how to set them up. I'm also relativly new to Ubuntu / Linux but I've already learned a great deal about it so if any of you guys could take the time to give me a quick walk through of what I need to do in order to start torrenting again
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Aug 4, 2010
Is there a way to connect to a samba share on the other side of a dynamic ssh tunnel?I like to use ssh -D 8080 <host> to access the network on the other side of a ssh session. For applications with their own proxy settings it seem to work really nice.In this particular case I'd like to use the 'Connect to server' feature in Ubuntu to connect a samba share through the tunnel, but I can't figure out how to make only that connecton use proxy settings.If I enforce system wide proxy settings the ssh tunnel will die, so that is not an option.
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Oct 11, 2010
Please, how do i set up the global proxy in Kubuntu 10.10
i need to use internet and install software packages. But when i run sudo apt-get update it can't connect
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Apr 30, 2011
I just can't set any proxy settings in Gnome 3 Network settings. Is it a bug or...?
I installed Ubuntu 11.04 and then used a PPA to install Gnome 3. Some other "problem" is I can't set single click opening of folders...
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Jul 6, 2011
I need to set up network proxy for Ubuntu 10.04 LTS (system->prefernces->network proxy)? In fact I can connect to internet using a modem without worrying about it but will it be better if I do? In firefox, should I edit proxy setting? the options are: no proxy, auto detect proxy, use system proxy, manual proxy, and there are severl proxies like HTTP proxy etc. Does proxy setting has anything to do with security?
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Jul 7, 2011
My company requires a proxy server that requires a manual configuration to use. Many Ubuntu apps, however, do not respect the HTTP proxy settings.Is there anyway to modify my local firewall settings to automatically forward IP traffic to the company proxies in the same way a transparent proxy might work?Would I need to set-up my own local, transparent squid proxy which itself forwards to the company proxy?
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Sep 12, 2010
Having a bit of an issue connecting to my apache2 server. I'm running Ubuntu Server 10.04lts. I can only connect to my website via ip address global, ip address local, and the dyndns domain I have linked to my ip address. I have DMZ setup for my server with a local static address of 192.168.1.100. I can only connect to the default apache page via lan, and It wont load when I try via proxy. I need to know how to configure my router (wndr3300) so that I can connect to my server (address 192.168.1.100) and the pages from outside of my network.
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Sep 1, 2009
I am working on fc10. I connect to internet using two connections: with proxy and without proxy. Initially I had some problem in configuring yum for proxy and I resolved it by creating files proxy.sh and proxy.csh in /etc/profile.d with the required details (export_proxy).Now when I connect to my connection without proxy I have some problems .Whenever I try to do yum update I get the following error:
"[URL]: [Errno 12] Timeout: <urlopen error timed out> Trying other mirror. Error: failure: repodata/primary.xml.gz from adobe-linux-i386: [Errno 256] No more mirrors to try." what changes do I need to make in order to use yum in the connection without proxy?
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Aug 7, 2011
how do i set the proxy in fedora and also editing the update location from the add or remove software in fedora 15.
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