mariotpc
/ systemctl dropbear service
Last active
August 14, 2021 23:46
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| [Unit] | |
| Description=Dropbear SSH server | |
| After=network.target | |
| [Service] | |
| Type=forking | |
| ExecStart=/usr/local/sbin/dropbear -b /etc/dropbear/logo.txt | |
| PIDFile=/var/run/dropbear.pid | |
| [Install] |
mariotpc
/ Dropbear SSH - Download & Install
Created
July 28, 2017 21:05
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| As the first step go to https://matt.ucc.asn.au/dropbear/dropbear.html | |
| after locate Download section ( on the right side ) o click on the link https://matt.ucc.asn.au/dropbear/ | |
| Select the last one according to your year ( to me is "dropbear-2017.75.tar.bz2 2017-05-18 22:55 1.5M Link to releases directory instead" ) | |
| Tip: I copy the link with the right button over and get it using wget | |
| Example: | |
| wget https://matt.ucc.asn.au/dropbear/dropbear-2017.75.tar.bz2 | |
| uncompress the bzip2 using: | |
| tar -jxvf dropbear-2017.75.tar.bz2 |
mariotpc
/ Installing the new NOOBS for my Raspberry Pi
Created
July 31, 2017 01:48
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| Install the NOOBS software to SD Card is as easy as to download the BOOBS zip and unzip to the root FS onto the SDCARD with vfat format. | |
| Just, the SDCard must be at lest 8GB. |
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| from nameko.rpc import rpc | |
| class FTHService: | |
| name = "CelciusToFahrenheit" | |
| @rpc | |
| def convert (self, Celcius): | |
| Fahrenheit = float(int(Celcius) * 1.8) + 32 | |
| return "Hello the Fahrenheit Temp is: , {}!".format(Fahrenheit) | |
| class HiService: |
mariotpc
/ create a connection between serial console and bluetooth serial port
Last active
August 17, 2020 01:12
create a connection between serial console and bluetooth serial port
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| first all the bluez apps must be updated | |
| root@raspberrypi:/home/pi# vi /etc/systemd/system/dbus-org.bluez.service | |
| add: | |
| [Unit] | |
| Description=Bluetooth service | |
| Documentation=man:bluetoothd(8) | |
| ConditionPathIsDirectory=/sys/class/bluetooth |
mariotpc
/ Extract Firmware of my Nebula 1200AC
Created
August 17, 2020 16:59
Extract Firmware of my Nebula 1200AC
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| DECIMAL HEXADECIMAL DESCRIPTION | |
| -------------------------------------------------------------------------------- | |
| 64 0x40 xz compressed data | |
| 2162688 0x210000 Squashfs filesystem, little endian, version 4.0, compression:xz, size: 6502290 bytes, 2019 inodes, blocksize: 131072 bytes, created: 2018-06-06 07:02:05 | |
| 9830400 0x960000 JFFS2 filesystem, little endian | |
| dd if=tf_recovery.img of=header.bin bs=1 count=64 skip=0 | |
| dd if=tf_recovery.img of=xzdata.xz bs=1 count=2162624 skip=64 |
mariotpc
/ Compile U-BOOT for raspberry pi B+
Last active
August 20, 2020 19:41
Compile U-BOOT for raspberry pi B+
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| My Raspberry Pi B+ comes from 5 years ago, this was bought by me on my travel to Boston, | |
| Fist all, you must have a GCC Cross Compiler, this could be the Linaro or some made by you using crosstool, as in my case. | |
| Add your toolchain to your environment | |
| PATH=${HOME}/x-tools/armv6-rpi-linux-gnueabi/bin/:$PATH | |
| export CROSS_COMPILE=armv6-rpi-linux-gnueabi- | |
| export ARCH=arm | |
| [mariotpc@fedora31 u-boot]$ ls ~/x-tools/armv6-rpi-linux-gnueabi/ | |
| armv6-rpi-linux-gnueabi/ build.log.bz2 lib/ libexec/ |
mariotpc
/ start the qemu with raspberry Pi+
Last active
August 22, 2020 22:44
start the qemu with raspberry Pi+
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| [root@fedora rpi]# ls -ltr | |
| total 10970300 | |
| -rw-r--r-- 1 root root 1566114915 Apr 10 2017 2017-04-10-raspbian-jessie.zip | |
| -rw-r--r-- 1 root root 1149027370 Jun 20 2019 2019-06-20-raspbian-buster.zip | |
| -rw-r--r-- 1 root root 452715448 May 27 20:01 raspios_lite_armhf_latest.190820.zip | |
| -rw-r--r-- 1 root root 83803 Aug 19 13:55 kernel-qemu-4.19.50-buster | |
| -rwxrwxrwx 1 root root 82044 Aug 19 13:55 versatile-pb-buster.dtb | |
| -rw-r--r-- 1 root root 83259 Aug 19 13:55 versatile-pb.dtb | |
| -rw-r--r-- 1 root root 2534200 Aug 19 15:33 kernel-qemu-3.10.25-wheezy | |
| -rw-r--r-- 1 root root 3774873600 Aug 19 18:00 2019-06-20-raspbian-buster.img |
mariotpc
/ start u-boot in versatile express ARM
Last active
August 20, 2020 19:40
start u-boot in versatile express ARM
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| first all,... compile it and get the u-boot binary executable | |
| [mariotpc@fedora31 u-boot]$ make vexpress_ca9x4_defconfig CROSS_COMPILE=~/Downloads/arm/gcc-arm-8.3-2019.03-x86_64-arm-linux-gnueabihf/bin/arm-linux-gnueabihf- | |
| HOSTCC scripts/basic/fixdep | |
| HOSTCC scripts/kconfig/conf.o | |
| YACC scripts/kconfig/zconf.tab.c | |
| LEX scripts/kconfig/zconf.lex.c | |
| HOSTCC scripts/kconfig/zconf.tab.o | |
| HOSTLD scripts/kconfig/conf | |
| # |
mariotpc
/ Compile Kernel 4.9.13 to use with QEmu and ARM target
Last active
August 22, 2020 22:49
Compile Kernel 4.9.13 to use with QEmu and ARM target
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| First One, Download the kernel | |
| ************************************************************ | |
| wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.13.tar.gz | |
| uncompress it | |
| ************************************************************ | |
| tar -zxvf linux-4.9.13.tar.gz | |
| going inside | |
| ************************************************************ |
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