cmd "opkg update" failed in Arduino yun

When I run the cmd "opkg update", connection to the server seems failed.

root@Arduinoyunzhang:~# opkg update Downloading http://downloads.arduino.cc/openwrtyun/1/packages/Packages.gz. Downloading http://downloads.arduino.cc/openwrtyun/1/packages/Packages.sig. Signature check failed. Remove wrong Signature file. Collected errors: * opkg_download: Failed to download http://downloads.arduino.cc/openwrtyun/1/packages/Packages.gz, wget returned 8.

* opkg_download: Failed to download http://downloads.arduino.cc/openwrtyun/1/packages/Packages.sig, wget returned 8.

I also can not acess the URL from my Chrome Browser. I am at Beijing, China. Any surgestions? Thank you.

Use VPN (翻墙)

Setup local packages repository

http://forum.arduino.cc/index.php?topic=237178.0

Ask authorized Arduino distributors in China for help

China: Seeed Studio Depot, DFRobot, Geeetech, OPEN JUMPER, ICT, ALSRobotBase

http://arduino.cc/en/main/buy

百度下载:

http://forum.arduino.cc/index.php?topic=237178.msg2054049#msg2054049

I am using goagent. I thought I could across the "wall" that blocks the internet. Actually, Too young too simple. I can not use the cmd "opkg updat" online.

Your offline method worked for me.

Thanks a lot!

sonnyyu: 百度下载:

http://forum.arduino.cc/index.php?topic=237178.msg2054049#msg2054049

For Chinese guys, if Internet blocked, use the Files: 百度云盘 http://yun.baidu.com/share/link?shareid=840462841&uk=1950281063

Thanks to Angelo9999.

And use this method: nano /etc/opkg.conf

src/gz attitude_adjustment http://downloads.arduino.cc/openwrtyun/1/packages

src/gz local file:////mnt/sda1/openwrtyun opkg update

Thanks to sonnyyu. http://forum.arduino.cc/index.php?topic=237178.msg2054049#msg2054049