Fix apt autoremove report Unmet dependencies
After upgrading my computer to Ubuntu 18.04, I wanna remove unused packages, so I do an apt autoremove, unfortunately it failed with below messages: sudo apt...
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Control your Android devices with scrcpy
scrcpy is an open source project developed by Genymobile, it can be used to display and control of your android devices over adb connection. The following fe...
The differences between android build variants
item/flavor eng user userdebug ro.secure 0 1 1 security.perf_harden ...
Android performance monitoring with bcc
Build kernel with bpf support In order to use bpf, kernel should be at least build with these options: +CONFIG_BPF=y +CONFIG_BPF_SYSCALL=y +CONFIG_BPF_EVENTS...
Running LineageOS 16 on Raspberry Pi 3B
Setup Build Environment Follow instructions in Running Android Oreo on Raspberry Pi 3B to setup build environment under Ubuntu.
Scheduling task with crontab
I think schduling a job with crontab should be easy for me, as I am a veteran linux user, the truth is I don’t know crontab, totally.
Kernel memory debugging techniques
Linux kernel has many memory related debug tools to help kernel developers find out memory related issues, these tools are included in upstream kernel: Ke...
Raspberry pi 3B+ arm64 kernel boot message
rpi3:/ # dmesg [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.14.129-v8+ (fdbai@fdbai-desktop) (gcc version 5.4.0 20160609 (...
Learning Linux Shell
Check if a direcotry exists
Android native memory debugging
malloc_debug