1. For gtk3 programs such as rhythmbox and online accounts:
First you need to enter proxy settings in network settings (along with authentication):
Then apply system wide.
2. For apt,software center etc
edit the file /etc/apt/apt.conf
And then replace all the existing text by the following lines
- Acquire::http::proxy "http://username:password@host:port/";
- Acquire::ftp::proxy "ftp://username:password@host:port/";
- Acquire::https::proxy "https://username:password@host:port/";
configure proxy for apt in ubuntu 18.04
Creating an Apt Proxy Conf File
Apt loads all configuration files under /etc/apt/apt.conf.d. We can create a configuration specifically for our proxy there, keeping it separate from all other configurations.
- Create a new configuration file named proxy.conf.
sudo touch /etc/apt/apt.conf.d/proxy.conf
- Open the proxy.conf file in a text editor.
sudo vi /etc/apt/apt.conf.d/proxy.conf
- Add the following line to set your HTTP proxy.
Acquire::http::Proxy "http://user:password@proxy.server:port/";
- Add the following line to set your HTTPS proxy.
Acquire::https::Proxy "http://user:password@proxy.server:port/";
- Save your changes and exit the text editor.
Your proxy settings will be applied the next time your run Apt.
3. Environment variables
edit the file /etc/environment
And then add the following lines after PATH="something here"
- http_proxy=http://username:password@host:port/
- ftp_proxy=ftp://username:password@host:port/
- https_proxy=https://username:password@host:port/
set Repositories.
https://help.ubuntu.com/community/Repositories/CommandLine
Ubuntu uses apt for package management. Apt stores a list of repositories or software channels in the file
/etc/apt/sources.list
and in any file with the suffix .list under the directory
/etc/apt/sources.list.d/
CN Repository
1 tlfox@tlfox-virtual-machine:/etc/apt$ more sources.list.save 2 # deb cdrom:[Ubuntu 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)]/ xenial main restricted 3 4 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to 5 # newer versions of the distribution. 6 deb http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted 7 # deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted 8 9 ## Major bug fix updates produced after the final release of the 10 ## distribution. 11 deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted 12 # deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted 13 14 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 15 ## team, and may not be under a free licence. Please satisfy yourself as to 16 ## your rights to use the software. Also, please note that software in 17 ## universe WILL NOT receive any review or updates from the Ubuntu security 18 ## team. 19 deb http://cn.archive.ubuntu.com/ubuntu/ xenial universe 20 # deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial universe 21 deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates universe 22 # deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates universe 23 24 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 25 ## team, and may not be under a free licence. Please satisfy yourself as to 26 ## your rights to use the software. Also, please note that software in 27 ## multiverse WILL NOT receive any review or updates from the Ubuntu 28 ## security team. 29 deb http://cn.archive.ubuntu.com/ubuntu/ xenial multiverse 30 # deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial multiverse 31 deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates multiverse 32 # deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates multiverse 33 34 ## N.B. software from this repository may not have been tested as 35 ## extensively as that contained in the main release, although it includes 36 ## newer versions of some applications which may provide useful features. 37 ## Also, please note that software in backports WILL NOT receive any review 38 ## or updates from the Ubuntu security team. 39 deb http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse 40 # deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse 41 42 ## Uncomment the following two lines to add software from Canonical's 43 ## 'partner' repository. 44 ## This software is not part of Ubuntu, but is offered by Canonical and the 45 ## respective vendors as a service to Ubuntu users. 46 # deb http://archive.canonical.com/ubuntu xenial partner 47 # deb-src http://archive.canonical.com/ubuntu xenial partner 48 49 deb http://security.ubuntu.com/ubuntu xenial-security main restricted 50 # deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted 51 deb http://security.ubuntu.com/ubuntu xenial-security universe 52 # deb-src http://security.ubuntu.com/ubuntu xenial-security universe 53 deb http://security.ubuntu.com/ubuntu xenial-security multiverse 54 # deb-src http://security.ubuntu.com/ubuntu xenial-security
US Repository
1 tlfox@tlfox-virtual-machine:/etc/apt$ more sources.list 2 3 # 4 5 # deb cdrom:[Ubuntu-Server 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)]/ xenial main restricted 6 7 #deb cdrom:[Ubuntu-Server 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)]/ xenial main restricted 8 9 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to 10 # newer versions of the distribution. 11 deb http://us.archive.ubuntu.com/ubuntu/ xenial main restricted 12 # deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted 13 14 ## Major bug fix updates produced after the final release of the 15 ## distribution. 16 deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted 17 # deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted 18 19 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 20 ## team. Also, please note that software in universe WILL NOT receive any 21 ## review or updates from the Ubuntu security team. 22 deb http://us.archive.ubuntu.com/ubuntu/ xenial universe 23 # deb-src http://us.archive.ubuntu.com/ubuntu/ xenial universe 24 deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe 25 # deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe 26 27 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 28 ## team, and may not be under a free licence. Please satisfy yourself as to 29 ## your rights to use the software. Also, please note that software in 30 ## multiverse WILL NOT receive any review or updates from the Ubuntu 31 ## security team. 32 deb http://us.archive.ubuntu.com/ubuntu/ xenial multiverse 33 # deb-src http://us.archive.ubuntu.com/ubuntu/ xenial multiverse 34 deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse 35 # deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse 36 37 ## N.B. software from this repository may not have been tested as 38 ## extensively as that contained in the main release, although it includes 39 ## newer versions of some applications which may provide useful features. 40 ## Also, please note that software in backports WILL NOT receive any review 41 ## or updates from the Ubuntu security team. 42 deb http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse 43 # deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse 44 45 ## Uncomment the following two lines to add software from Canonical's 46 ## 'partner' repository. 47 ## This software is not part of Ubuntu, but is offered by Canonical and the 48 ## respective vendors as a service to Ubuntu users. 49 # deb http://archive.canonical.com/ubuntu xenial partner 50 # deb-src http://archive.canonical.com/ubuntu xenial partner 51 52 deb http://security.ubuntu.com/ubuntu xenial-security main restricted 53 # deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted 54 deb http://security.ubuntu.com/ubuntu xenial-security universe 55 # deb-src http://security.ubuntu.com/ubuntu xenial-security universe 56 deb http://security.ubuntu.com/ubuntu xenial-security multiverse 57 # deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse