This is the repository conataining the prebuilt kernels for Kali-Linux-NetHunter 
for the Google Pixel 3a Bonito/Sargo devices. You can also find the Magisk modules
to flash the light weight android kali-linux-nethunter gui system. You will need to 
download your own kali rolling root file system.

Kernel features include:

-optimized for performance and battery life
-Klapse color control with backlight dimmer and high brightness mode
-Boeffla wakelock blocker
-vibration control
-sound control
-the usual I/O schedulars like zen fiops deadline and such
-adreno boost
-fsync switch
-wireguard support
-HID support
-previously disabled otg is now enabled
-full usb support including.........
---serial
---ACM
---OBEX
---NCM
---ECM
---RNDIS
---EEM
---mass storage
---MTP and PTP
---MIDI
---DIAG
---QC soc otg 
-ntfs
-devtmpfs and mount
-full bluetooth support
-Wifi injection
-dvb / sdr support
-Built in module support which allows kernel to be used with any rom
-systemd/upstart support for dual boot
-LZMA compression to keep twrp
-DNS resolver 
-checkpoint restore 

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Tips and Tricks 

to use services in the kali chroot you should first run 

apt-get update 

apt-get install kali-linux-nethunter

apt-get update 

apt-get upgrade 

apt-get remove systemd --purge 

apt-get install systemctl 

the systemctl command for this chroot is deamonless and you can use it to run services with 

systemctl enable/disable service

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Monitor mode can be used with or with out an adapter you can find more info about it at this link

https://github.com/kimocoder/qualcomm_android_monitor_mode

The directions on Kimcoders github site assume you are using an adapter but its optional