How to recreate dts file from a running Android device ?
As we have seen in “How to cross compile static dtc for ARM” we are able to … Read more
Linux Kernel
Linux Kernel
How to recreate dts file from live Embedded device ?
Sometimes it happens that you don’t have source code of the device on which you are working … Read more
How to cross compile static dtc for ARM ?
As we seen in our previous post, “How to Compile and Install device-tree-compiler (DTC) On Ubuntu”, we … Read more
How to resolve : fatal error: curses.h: No such file or directory
Whenever you are trying to do kernel menuconfig very first time after installation of Ubuntu, its chances … Read more
What is the difference between setup_irq and request_irq in Linux kernel interrupts ?
Timers are setup very early, before the request_irq() infrastructure has been initialised. Hence, setup_irq is used to … Read more
How to check if Bluetooth device is UP or NOT using l2ping ?
If you want to know the bluetooth device you want to connect to is alive or not, … Read more
Scan, Pair, Connect to Bluetooth device from Ubuntu from command line using bluetoothctl
bluetoothctl is bluetooth control tool which allows us to make the host discoverable, scan other devices, pair … Read more
Modifying bitbake/yocto initscripts to start wifi during boot
We will need to change the wpa-supplicant.conf file as below, by modifying poky/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant/wpa_supplicant.conf-sane Now, once we modified … Read more
Simple wifi packet sniffer to capture every packet received on wlan0 interface
This program captures the network packets received on wifi interface. If you don’t know which interface to … Read more
Convert bitmap ( bmp ) files to raw 16 bit data using C program in Linux
bmptoraw is utility to convert bitmap files to raw 16 bit data. This program assumes a 24 … Read more
sniffex – C program to Capture wifi packets using libpcap
libpcap provides functions for user-level packet capture, used in low-level network monitoring. Following program captures the packets … Read more
How to invoke OOM Killer manually for understanding which process gets killed first ?
As we have seen in our previous post “Understanding Linux OOM Killer and avoiding perticular process from … Read more