[yocto] How to strip down my Yocto Linux?

[Bacheh Karaji]

I would like to strip down my Yocto Linux before put in it to flash. Unneeded software, man pages, POCO sample codes and other documentation just waste resource, especially on the i.MX28 EVK with only 128MB flash.

My local.conf file looks following:

$ gedit conf/local.conf &
...
IMAGE_INSTALL_append = " poco nginx canutils vsftpd curl fcgi spawn-fcgi net-snmp util-linux ubiattach-klibc ubimkvol-klibc ubiformat-klibc minicom net-tools zeroconf avahi-autoipd mtd-utils u-boot-fw-utils ethtool"
...
I bitbake the image "core-image-base".

I was wondering, is there a way that I can delete all of the Unneeded files?

Can somebody help me howto strip down my Yocto Linux?

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