Recently, we had to bypass a bootloader that had partition permissions and we needed to overwrite u-boot. Unfortunately, writing to this section of flash was not possible (invalid permissions/read-only), BUT, we could TFTP our own u-boot binary image to the device.
Pacific Simplicity is the home to my tech blog of sorts, aiming to assist and provide information easily to other Linux users and Open Source hackers out there. It contains articles on Linux, system admin hints, scripting, programming embedded systems, OpenWRT and of course Drupal . Check it out and don't forget to comment!
Here is a simple epoll example for polling keyboard events:
Create the signing keys
-out "signingKey.crt" -days 365 -subj "/C=NL/ST=QC CA/L=Montreal/O=PacificSimplicity \
/OU=Dev/CN=Dev Signing Key"
Then sign the file with the following command
Here is a simple BASH script to bring down/up an interface randomly. Note there is no error checking or states... it will work if it can work. e.g if the interface is up, and the script calls up - it will be up.
Here is part 2 of the previous explanation app.
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