root@OpenWrt:~# df -h
Filesystem                Size      Used Available Use% Mounted on
none                      6.7M     56.0k      6.6M   1% /tmp
tmpfs                   512.0k         0    512.0k   0% /dev
/dev/mtdblock2            6.0M      2.6M      3.4M  43% /jffs
/jffs                     1.0M      1.0M         0 100% /
root@OpenWrt:~# ipkg install ntpclient
Installing ntpclient (2003_194-2) to root...
Downloading http://downloads.openwrt.org/kamikaze/7.06/atheros-2.6/packages/./ntpclient_2003_194-2_mips.ipk
xsystem: ERROR: fork failed before execution: `wget --passive-ftp    -q -P /tmp/ipkg-09hKff http://downloads.openwrt.org/kamikaze/7.06/atheros-2.6/packages/./ntpclient_2003_194-2_mips.ipk'
Nothing to be done
An error ocurred, return value: 22.
Collected errors:
Failed to download ntpclient. Perhaps you need to run 'ipkg update'?
root@OpenWrt:~#