Identify Input Device Information in Android
To identify the information about the input device connected to Android platform, we can use “getevent” as … Read more
Linux Kernel
Linux Kernel
How to install Minicom on Linux / Ubuntu ?
Minicom is a text-based serial port communications program. It is used to talk to external RS-232 devices … Read more
Solved: brltty – USB COM Port Gets Immediately Disconnected
When we connected our USB to Serial converter to Ubuntu 22.04, it got detected as ttyUSB0 but … Read more
How to force panic Linux kernel intentionally ?
When you are working with Linux kernel internals or device driver programming, there are chances you see … Read more
Ubuntu doesn’t detect WiFi Access Point
Recently I came across very different problem when I moved to a place where there was few … Read more
Understanding wireless beacon packet ( captured using pcap API’s )
As per Wikipedia, Beacon frame is one of the management frames in IEEE 802.11 based WLANs. It contains all the … Read more
How initrd is mounted by Linux kernel ?
Lets first try to understand what are the ways to mount the root file system, Altough the … Read more
Understanding : “kernel panic – not syncing – attempted to kill init”
When the kernel gets into a situation where it does not know how to proceed (most often … Read more
Check Bluetooth services of a remote device
With following mechanism, we can check the Bluetooth profiles and services of a remote device, 1) Switch … Read more
Use hcitool to get Bluetooth device information
Below commands are shown for communication between Linux Laptop and Samsung Mobile to get Mobile bluetooth device … Read more
Kernel startup entry point / how Linux kernel boots ?
We will consider our hardware platform as ARM, so the kernel startup entry point code is at … Read more
Enabling adb support with Linux kernel for new platform
If you are developing/porting a new Linux kernel for some android platform, the first thing we need … Read more