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# Edit /etc/systemd/journal.conf and set the following options to prevent the creation of .journal files and to forward messages to syslog:
Storage=none
ForwardToSyslog=yes

# Check if syslog.service is a sym-link to /dev/null and remove it if so
$ ls -l /lib/systemd/system/syslog.service
$ rm /lib/systemd/system/syslog.service

# Unmask the syslog service so that it can be started
$ systemctl unmask syslog.service

tranthamp

# Select the i2c bus
i2c dev <bus>
i2c dev 0

# Probe the device
i2c probe <chip>
i2c probe 0x60

# Read from the device
i2c read <chip> <chip address> <length> <memory address>

tranthamp

# U-boot mtest usage
mtest <start> <end> <pattern> <iterations>

Ex:
mtest 0x82000000 0x83000000 0xaa55aa55 1

tranthamp

alias mkconfig='/usr/bin/make menuconfig'
alias vk='vim -c "set ts=8 sw=8 tw=80 noet"'

tranthamp

# Create a patchset for a specific file or files, assuming the file doesn't exist in your local repo
git format-patch --output-directory myPatch commit-id-begin..commit-id-end -- file1 file2 file3

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// Create image from first 1.0 GB of data on the sd card
sudo dd if=/dev/sdd of=./my.img bs=1024 count=1048576

// Compress the image
zip my-image.zip my.img

// Use win32diskimager from this location to write to a new sd card under windows
http://sourceforge.net/projects/win32diskimager/files/latest/download?source=navbar

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# Start a new named session
screen -S <name>

# Attach to a running named session
screen -x <name>

# Create a new window
ctrl-a c

# Name a window

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// I'm using a virtual video capture device via the vivi kernel module
# modprobe vivi

// This creates /dev/video0 if no other devices have yet been enumerated.

// Display available formats for the video device
# yavta --enum-formats /dev/video0
Device /dev/video0 opened.
Device `vivi' on `vivi-000' is a video capture device.
- Available formats:

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// Timer 4, 200KHz from the 24MHz clock

// Setup Pin mux
mw.l 0x44e10890 0x2

// Enable functional clock
mw.l 0x44E00088 0x2

// Write TCRR
mw.l 0x4804403C 0xFFFFFF88

tranthamp

// Kill the current ssh-agent
ssh-agent -k
kill <pid>

// Remove identities
ssh-add -D

// Add new id
ssh-add
<enter password>