Firefly-rk3288_Ubuntu_1604_2016_10261641_NO_VGA_Beta 无法更新

Chip Platform Rockchip
1

root@localhost:/etc/apt# apt-get update
Err:1 http://ports.ubuntu.com/ubuntu-ports xenial InRelease
Could not connect to 168.168.0.14:3142 (168.168.0.14), connection timed out
Err:2 http://ports.ubuntu.com/ubuntu-ports xenial-updates InRelease
Unable to connect to 168.168.0.14:3142:
Err:3 http://ports.ubuntu.com/ubuntu-ports xenial-backports InRelease
Unable to connect to 168.168.0.14:3142:
Err:4 http://ports.ubuntu.com/ubuntu-ports xenial-security InRelease
Unable to connect to 168.168.0.14:3142:
Reading package lists… Done
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/xenial/InRelease Could not connect to 168.168.0.14:3142 (168.168.0.14), connection timed out
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/xenial-updates/InRelease Unable to connect to 168.168.0.14:3142:
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/xenial-backports/InRelease Unable to connect to 168.168.0.14:3142:
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/xenial-security/InRelease Unable to connect to 168.168.0.14:3142:
W: Some index files failed to download. They have been ignored, or old ones used instead.

2

参见这个帖子
http://developer.t-firefly.com/thread-11028-1-1.html

3

是apt.conf加了代理，去掉就好了，
apt-get upgrade是选择y，无线就连不上了，好像ibus不能更新，需要保持原样

4

我的系统是ubuntu 15.04，找不到/etc/apt/apt.conf 这个文件啊。