Configure a Linux host to act as a DHCP server and assign predefined IP addressees to the supported hosts on our network. Configuration and debug tips are provided for Ubuntu and Yocto systems.
Various Notes on Using and Managing a Linux System from the Command Line
We show an example of the use of DNF package manager along with supporting notes with our Yocto-built t1040rdb development board.
A brief review of cloning, building, and debugging the master branch of the OpenSSL project along with stepping into the crypto library with GDB. More to come...
We review some options and examples for use of tcpdump in network testing and probing.
Use asymmetric encryption ( public / private keys ) to automate logins to servers via ssh
Notes on switching from Ubuntu 16.04 maintained PostgreSQL 9.5 to release 10 built from source out of the official git repository. We remove the packaged version and configure & build the new version for development.
Use Python3 sockets to create a honey pot for the detection of malicious activity on a network
Summary of steps used to install and boot embedded Linux image on an SSD. Image was built with Yocto Project using mainline Linux kernel and custom image.
A basic Python URL rewriter is developed and tested searching for both key words and expressions. The test configuration is also reviewed
For some Python packages, we prefer to work with the Git repos in the cloud, but there can be some issues in setting it up.
Bare metal / no-stack implementation of ICMP ECHO ( ping ) based on insight from the implementation of ping on Linux.
Review of steps to create a local Git repo and clone it into a bare, centralized Git repo (git clone --bare)
Use Java to determine whether another host is present and responsive on a network. Two approaches are provided: low level and layer 4, connection oriented. The lower level approach will result in a ping if used with the right permissions.
Each working command and option presented during Pablo's talk is executed on a live Linux embedded system
A Step-by-Step cookbook to install Apache and Django using WSGI on Ubuntu Linux
Brief summary of configuring Linux Ubuntu 16.04 and gcc invocation for a simple OpenCV 3.2 video playback application
Testing shows that "Don't Track" doesn't work. However, identifying tracking sites and blocking them does...
Squid is a proxy and caching server. Also, it works with content filters like SquidGuard to implement black lists that are used to block requests to undesirable web sites.
Brief writeup on mounting an ISO image locally without having to burn it to CD
Iptables enables you to block traffic entering, exiting, or being forwarded across your network. Iptables is extremely powerful, and with it's power comes complexity. This article discusses its installation and use on an Ubuntu Linux 12.04 machine.