[linux-yocto] Modify sysctl.conf

Paul Gortmaker paul.gortmaker at windriver.com
Thu Feb 14 12:51:48 PST 2019

[[linux-yocto] Modify sysctl.conf] On 14/02/2019 (Thu 11:06) Franz Forstmayr wrote:

> Hi,
> I have a board with more than one ethernet ports, which should get
> connected to the same network, at least for now. I wanted to prevent
> arp flux for my build and appended the procps recipe with following
> lines.

This list is meant for issues specific to the kernel(s) used in the
yocto project, even if the name doesn't really convey that very well.

For configuration issues like this, I suggest you google for the various
yocto mailing lists, and then pick the one that matches your issue the

Good luck,

> do_install_prepend() {
>     echo "net.ipv4.conf.all.arp_announce=1" >> ${WORKDIR}/sysctl.conf
>     echo "net.ipv4.conf.all.arp_ignore=2" >> ${WORKDIR}/sysctl.conf
> }
> The sysctl.conf gets modified in my tmp/work folder, however the
> sysctl file doesn't get deployed to my rootfs? How to fix this issue.
> Further testing shows, that the sysctl.conf doesn't even got deployed
> without my bbappend.
> So, how to get this work, or is there a better way to modify the sysctl?
> Franz
> -- 
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