我在任何地方都找不到代理设置。我是否必须通过终端设置它，通过gconftools还是有一些 GUI 存在？
我在更新 Ubuntu 12.04 LTS 时经常收到此错误。我该如何解决？日志是：
Ign http://archive.scrapy.org precise/main Translation-en
Fetched 6,620 kB in 1min 21s (81.2 kB/s)
W: Failed to fetch http://archive.scrapy.org/ubuntu/dists/precise/Release.gpg
Something wicked happened resolving 'archive.scrapy.org:http' (-5 - No address associated with hostname)
我正在按照这些说明在我的笔记本电脑上安装 git。
当我做：
$ sudo apt-get install git-core
这是我的终端显示的内容：
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
libasprintf0c2:i386
libcroco3:i386
libgettextpo0:i386
libgomp1:i386
libunistring0:i386
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
git git-man liberror-perl
Suggested packages:
git-daemon-run
git-daemon-sysvinit
git-doc git-el
git-arch git-cvs
git-svn
git-email
git-gui
gitk gitweb
The following NEW packages will be installed:
git git-core git-man liberror-perl
0 upgraded, …我看到以下内容被全部查询。但是没有看到任何答案还是我错过了它们？似乎是一种奇怪的语言用法。坏事发生了。这是一种恶意软件吗？如何让更新管理器继续运行？
W: Failed to fetch http://za.archive.ubuntu.com/ubuntu/pool/main/e/eglibc/libc-bin_2.11.1-0ubuntu7.10_i386.deb
Something wicked happened resolving 'za.archive.ubuntu.com:http' (-5 - No address associated with hostname)