hoses: enhanced socks5 tools
Introduction Features Where to find Examples ...
OpenSSH Certificate Authority
Intro Creating CA Configuring Hosts Singing user public keys Using certificates ...
Why Ansible?
As part of an effort of standardising my home lab I decided to migrate my ad-hoc configuration scripts into a more standard tool set. So I looked at: puppet chef ...
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 ...
Locking down SFTP
This is a small recipe to increase the security around a SFTP interface. In the /etc/ssh/sshd_config file include the following settings: Subsystem sftp internal-sftp This configures the sftp subsystem to use the internal sftp implementation. This is because inside the chroot, we usually will not have the normal ...
Python GUI
After looking a multiple options of GUI programming under python I eventually settled for tkinter. The main reason was that tkinter is very ubiquitous and initially though the learning curve wuld have shorter as I was very used to GUI programming using TCL/TK. Turned out that what I known TCL/TK did not translate ...
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 ...
Tunneling NFS over SSH
This recipe is for tunneling NFS traffic over SSH. This adds encryption and Public Key authentication to otherwise insecure NFS traffic. For this recipe to work, requires NFSv4. Earlier versions were not tested, but I expect not all the functionality to work. server configuration ...
Optimizing shell scripts
Introduction Input Data Desired Output Approach Original Script ...
Happy New Year 2024
Best wishes for 2024! ...
IPv6 on 2023
This is a sequel to my article IPv6 blues. Layout Enabling forwarding Configure networking ...
libnss-db HOWTO
This mini-howto illustrate how to use libnss-db on a Ubuntu Linux system. Other installations should work to after adjusting package names and directory paths. I myself use as a "serverless" lightweight user directory. Essentially, I mount the db directory and the home directory from an NFS server. Package installation ...
Alpine Linux Custom Interface names
This article is a copy of this article and shows how to rename/change name of a network interface. Alpine Linux uses busybox mdev to manage devices in /dev. mdev reads /etc/mdev.conf and according to mdev documentation one can define a command to be executed per device definition. The command which is going to be used to change network interface name is nameif. ...
Alpine boot menu
This article is an update to my Alpine Boot Switcher article. Contents: Preparing boot device ...
Adding static routes in alpine linux
There are several ways to do this documented in the alpine linux wiki. My preferred way is to configure it in /etc/network/interfaces. For example: auto eth0 iface eth0 inet static ...
New NacoWiki
Release new version (3.2.1) of NacoWiki. The following changes are included: Added document properties Added opts.yaml API improvements ...
Migrated to NacoWiki Albatros
This edition marks the migration of my Blog from Pelican to NacoWiki Albatros. This is a mostly transparent change. I wrote Albatros specifically to migrate this web site from Pelican to a php based markdown implementation. As such, it uses a slightly modified version of the Pelican theme. ...
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 ...
CSS Tips
Style editor Sending query string with PHP Position sticky Flexbox and Grid ...