Jumpnow Technologies
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Security
05 Oct 2021
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Signing code with OpenSSL
13 Feb 2021
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SSH Hostkey Fingerprints
31 Oct 2020
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Show SSH Authentication Methods with Nmap
13 Sep 2020
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Enumerating SSH Algorithms with Nmap
03 Dec 2019
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Using Nmap to check certs and supported TLS algorithms
05 Oct 2019
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IOT Regulations and Guidelines
21 Nov 2018
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Running Snort on OpenBSD
ARM Shellcode
19 Dec 2018
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Linux ARM Shellcode - Part 0 - Credits and References
19 Dec 2018
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Linux ARM Shellcode - Part 1 - Syscalls
19 Dec 2018
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Linux ARM Shellcode - Part 2 - Removing NULLs
19 Dec 2018
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Linux ARM Shellcode - Part 3 - Bind and Reverse Shells
19 Dec 2018
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Linux ARM Shellcode - Part 4 - The Stack
19 Dec 2018
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Linux ARM Shellcode - Part 5 - Functions and the Stack
19 Dec 2018
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Linux ARM Shellcode - Part 6 - Randomized Address Space
19 Dec 2018
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Linux ARM Shellcode - Part 7 - Corrupting the Stack
19 Dec 2018
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Linux ARM Shellcode - Part 8 - Exploiting the Stack
Raspberry Pi
13 Jul 2020
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Building Raspberry Pi Systems with Buildroot
05 Jun 2020
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Building Raspberry Pi Systems with Yocto
17 May 2020
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RPi4 and Qt Development
17 May 2020
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Building 64-bit Systems for Raspberry Pi 4 with Yocto
18 May 2019
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Using ADS1115 ADCs with Raspberry Pis
17 Aug 2018
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Analyzing SPI driver performance on the Raspberry Pi
24 Apr 2017
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Using DS18B20 1-wire Temp Sensors with the Raspberry Pi
16 Apr 2017
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Raspberry Pi TFT Displays and Qt5
10 Apr 2017
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Using Qt Creator to cross-compile and debug Raspberry Pi Qt5 apps
10 Apr 2017
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Working with the Gumstix Pi Compute Dev Board
10 Apr 2017
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Working with the Raspberry Pi Compute Board
09 Apr 2017
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Using the Raspberry Pi hardware PWM timers
16 Feb 2017
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Running Qt5 Apps Over VNC Works Again
31 Jan 2017
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Using MCP3008 ADCs with Raspberry Pis
23 Jan 2017
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Compiling Raspberry Pi Overlays with Buildroot
09 Jan 2017
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Enabling Qt5 WebEngine in Yocto Builds
02 Jan 2017
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Qt5 and QML Development with the Raspberry Pi
26 Dec 2016
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Raspberry Pi 3 AdHoc Wifi Network
20 Sep 2016
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Working with pi-blaster for PWM on the RPi
20 Mar 2016
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Raspberry Pi Serial Console
22 Jan 2016
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A Raspberry Pi Pandora music player
BeagleBone
31 Aug 2020
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Building BeagleBone Systems with Yocto
08 Jan 2018
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Adding Mender to a BeagleBone System
22 Dec 2017
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Building Beaglebone Systems with Buildroot
10 Mar 2017
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Working with the Beaglebone Black PRU using UIO
18 Jun 2016
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Working on the BeagleBone Kernel
22 Jan 2016
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BeagleBone Black pinmuxing and other device tree notes
23 Oct 2015
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BeagleBone Black U-Boot
Embedded Linux
23 Jul 2018
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An upgrade strategy for embedded Linux systems
12 Nov 2017
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Choosing an embedded Linux build system
Odroid
31 Aug 2020
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Building Odroid-C2 Systems with Yocto
04 Feb 2018
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Adding Mender to an Odroid-C2 System
Wandboard
31 Aug 2020
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Building Wandboard Systems with Yocto
07 Jan 2018
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Adding Mender to a Wandboard System
27 Dec 2017
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Building Wandboard Systems with Buildroot
Gumstix - Linux
05 Sep 2020
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Building Duovero Systems with Yocto
07 Jan 2018
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Adding Mender to a Duovero System
13 Mar 2017
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Duovero Real-time Clock
23 May 2016
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Building Overo Systems with Yocto
25 Jun 2015
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Duovero Access Point
05 Sep 2014
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Overo Kernel Development - Simple patching
02 Sep 2014
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Setting the Overo Ethernet MAC
25 Feb 2014
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Erasing the Overo U-Boot Environment
14 Jan 2014
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Optimizing GStreamer ffmpegcolorspace for Gumstix webcams
Yocto
07 Nov 2019
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Managing a custom opkg repository
02 Sep 2016
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Qt5 Errors on Exit using QPA
17 Feb 2016
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Miscellaneous Yocto Notes
20 Oct 2014
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Adding Go language support to a Yocto build
24 Jul 2014
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Using a Yocto build workstation as a remote opkg repository
02 Apr 2014
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Adding Fortran support to a Yocto build
24 Feb 2014
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Using private Github repos with Yocto
Miscellaneous
29 May 2018
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Working with a Mender CLI
12 Jul 2017
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Using private git repositories with Google Repo
Gumstix - FreeBSD
11 Jan 2015
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FreeBSD Duovero Common DTS for OMAP4
02 Dec 2014
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FreeBSD Duovero Kernel Development
24 Nov 2014
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FreeBSD Duovero build workstation setup
23 Nov 2014
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FreeBSD Duovero GPIO
18 Nov 2014
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FreeBSD Duovero I2C - Changing bus speeds
13 Nov 2014
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FreeBSD Duovero I2C
11 Nov 2014
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FreeBSD Duovero USB Wireless
09 Nov 2014
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FreeBSD Duovero Serial Ports
05 Nov 2014
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More FreeBSD on the Gumstix Duovero
05 Nov 2014
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FreeBSD on the Gumstix Duovero
General FreeBSD
30 Sep 2014
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FreeBSD on ARM