Я пытаюсь обновить свою Ubuntu с помощью «sudo-apt-get update». Ниже приведена ошибка, которую я получаю. Пожалуйста, помогите мне решить.
$ sudo apt-get update
Err http://security.ubuntu.com precise-security Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Err http://ppa.launchpad.net precise Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Err http://ubuntu.mirror.ac.ke precise Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Err http://ubuntu.mirror.ac.ke precise-security Release.gpg
Unable to connect to 172.16.63.15:3128:
Err http://ubuntu.mirror.ac.ke precise-updates Release.gpg
Unable to connect to 172.16.63.15:3128:
Err http://extras.ubuntu.com precise Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Err http://archive.canonical.com precise Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Err http://apt.insynchq.com raring Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Err http://dl.google.com stable Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Err http://toolbelt.heroku.com ./ Release.gpg
Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
Reading package lists... Done
W: Failed to fetch http://ubuntu.mirror.ac.ke/ubuntu/dists/precise/Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Failed to fetch http://archive.canonical.com/dists/precise/Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Failed to fetch http://apt.insynchq.com/ubuntu/dists/raring/Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise-security/Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Failed to fetch http://ubuntu.mirror.ac.ke/ubuntu/dists/precise-security/Release.gpg Unable to connect to 172.16.63.15:3128:
W: Failed to fetch http://ubuntu.mirror.ac.ke/ubuntu/dists/precise-updates/Release.gpg Unable to connect to 172.16.63.15:3128:
W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Failed to fetch http://toolbelt.heroku.com/ubuntu/./Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Failed to fetch http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu/dists/precise/Release.gpg Could not connect to 172.16.63.15:3128 (172.16.63.15), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.
W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main amd64 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main i386 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-i386_Packages)
Ваш прокси-сервер (172.16.63.15:3128) не может быть достигнут. Проверьте, настраивается ли это правильно, или попытайтесь соединиться непосредственно.
Сервер security.ubuntu.com
просто не отвечает прямо сейчас. Попробуйте другой сервер.
Переходят к Параметрам настройки системы и нажимают на Software и Updates. На первой вкладке найдите, выпадающее маркировало Download от, и выберите другое местоположение для своих загрузок или Основной Сервер.
я решил его прежде как это.