Your own Certificate Authority
Generating root cert Preparation Creating the root key Creating the root certificate ...
Post tagged: service
Certificate Authorities
For home users there is not much use for running you own Certificate Authority (CA), and with availability of Letsencrypt and the plethora of ACME libraries setting TLS encryption is quite straight forward. ...
Using Excel files from Python
Intro XlsxWriter openpyxl xlwings pywin32 ...
Using Podman on Alpine Linux
Introduction What is Podman? Installation on Alpine Linux Rootful vs Rootless ...
Using LLDP on Linux
Introduction Enabling LLDP on Linux Using open-lldp Using lldpd ...
3D Prints
The other day, the 3D model I created back in 2016 finally broke. So, as such I created an updated model: For this I am using the same service from my 3D Printing updates ...
Alpine Boot
This is a quick note. In Alpine linux you can run start-up scripts by enabling the local service: rc-update add local default When this is enabled, it will run all executable scripts that end with .start on start-up and scripts that end with .stop on shutdown. ...
Telekom Cloud CI/CD demo
Pre-requisites Preparation Base infrastructure Notes ...
3D Printing updates
A quick guide to 3D printing materials
Ansible Best Practices
This is a conversion from a presentation/pdf by Tim Appnel. I attached a copy here too. Roles and Modules ...
OpenTofu
Introduction Origins Why use OpenTofu Using OpenTofu ...
Inetd like service with systemd
This is an example of a socket-activated per-connection service (which is usually referred to as inetd-like service). A thorough explanation can be found at 0pointer.de. Define a socket unit The key point here is to specify Accept=yes, which will make the socket accept connections (behaving like inetd) and pass ...
cisco bridging
This article is here as a reminder. So, for testing, I needed to configure a Cisco CSR1000V virtual router as a bridge. So I used a version 16 Cisco IOS XE image. To make my life easier I used the "wizard" that runs the first time to automatically configure bridgning. Ironically, this created an invalid ...
File system encryption in Alpine Linux
This is similar to my previous article Encrypting Filesystem in Void Linux but for Alpine Linux The point of this recipe is to create a encrypted file sytem so that when the disc is disposed, it does not need to be securely erased. This is particularly important for SSD devices ...
Enable syslog with void
In void Linux, the default is without logging. Most cases it is OK for desktop use. If you want to enable syslog service in void, you need to install: socklog-void Also to let your user have access to the logs, use: ...
Stupid SSL tricks
Some hints and tips foor doing SSL related things: Netcat for SSL This command lets you connect to a SSL server (a-la netcat): cat request.txt | openssl s_client -connect server:443 Creating self-signed certificates This is a single command to generate a self-signed certificate: ...
My tale of IPv6 blues
My ISP provider is KPN. They recently enabled IPv6 in my street. I was using before a IPv6 Tunnel Broker, starting with SixXS and after they went out, with Hurricane Electric. So naturally, I decided to switch to KPN's native IPv6 service. They provide a /64 prefix, which is reasonable. Would be better ...
Docker on Alpine Linux
Alpine Linux Quick installation See wiki For Alpine Linux > 3.8 Un-comment community repo from /etc/apk/repositories apk add docker rc-update add docker boot ...
3 Open Source Password Managers
Keep your data and accounts safe by using a secure open source password manager to store unique, complex passwords. Maintaining complex, unique passwords for each site and service you use is among the most common pieces of advice that security professionals provide to the public every year. Yet no matter how many times it is said, it seems like a week doesn't ...
using cachefiles on an Linux NFS share
If you often mount and access a remote NFS share on your system, you will probably want to know how to improve NFS file access performance. One possibility is using file caching. In Linux, there is a caching filesystem called FS-Cache which enables file caching for network file systems such as NFS. FS-Cache is built into the Linux kernel 2.6.30 and higher. ...
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