Sam's home page on this here internet thing

Welcome!

Crypto

• My PGP key, for paranoid people who wish to contact me.

Creations

• Art: pictures I have drawn, or otherwise computed.

• Software: interesting/useful programs written by me. Includes Solar, my University project. Mostly moved to GitHub these days.

• Is This Image Illegal?: Renders an arbitrary number as an image.

• Dotfiles: my configuration files for Bash, Vim, etc. Includes a fancy coloured prompt!

• I wrote a letter to NVIDIA, asking them to make the specifications of their graphics hardware so that free drivers could be created for them.

Guides

• PasswordGeneration: generate passwords given alphabet and desired entropy

• FreeIPA: my own notes on FreeIPA regarding stuff that I wish was in the manual

• CertmongerSELinux: when SELinux prevents your post-save command from working...

• WritingManpages: useful links to documentation

• Moving a Windows installation to a new disk - without reinstalling

• CreatingWindows10InstallerUSBFromLinux: when you need to install Windows 10 and you don't have another Windows system on which to run the Media Creation Tool...

• Some notes on performing Continuous Integration builds of Debian packages

• LinuxMultiGPUDeviceSelection: what exactly does the DRI_PRIME environment variable do?

• ... and on my pbuilder firewall setup

• The use of wrapper scripts when verifying arguments with sudo

• PodmanOnDebian: how to build the official Debian Podman packages on your own machine, while they are waiting in the NEW queue

• Tightening up the default privileges granted to users of a PostgreSQL database cluster

• Using udev rules to configure libinput to ignore an unwanted keyboard device

• Filtering Emails from Facebook based on the X-Facebook-Notify header

• FirewalldZones quick reference

• Updating the firmware of the WD Blue SA510 SATA SSD from Linux

• PKCS10CertificateSigningRequestGenerationWithOpenSSL generating private keys and CSRs the easy way

• Debian cruft: cleaning up cruft on Debian systems

• Debian Release file fields: the correct values to provide in your Release files

• Using slapd's mdb backend on Debian

• CUPS driver list: how CUPS decides which drivers are available

• CUPS URL discovery: how CUPS discovers printers and resolves printer URLs

• WindowsPrinterDiscovery: pointers to information about WS-Discovery and WS-Print

• IPP over USB: the relentless march of technology results in layering weirdness

• PythonVenvCreation: my take on the one true way to create Python virtual environments

• he.net IPv6 Tunnel configuration with systemd-networkd

• ToshibaX30X40FirmwareUpdate: updating the firmware of the Toshiba/Dynabook X30/X40 without having to install Windows

• VirtualBox raw disk access on Windows

• Preventing multiple SLF4J bindings with Gradle

• Booting your own kernel on DigitalOcean (also changing the init system to systemd)

• A short, graphical guide to using software RAID with the Debian-Installer.

• EpiphanyCookieWhitelist: configure the Epiphany web browser to only accept cookies from certain web sites.

• MailSystem: notes on configuring an email system with Exim, PostgreSQL, Dovecot IMAP, SpamAssassin, ClamAV and greylisting.

• AttachingUSBDiskToLibvirtVM

• AlteringProcessName: how to alter the names of processes on Linux.

• ApacheSecurity: various methods for configuring Apache to run virtual hosts as separate users.

• SamsungQ45: my laptop, and notes on the problems I ran into installing and using Linux on it.

• DVD quality reviews: reviews of the picture quality and DRM present on the DVDs I buy.

• PortableFilenamesOnWindows: how Microsoft make it painful to write portable programs that deal with filenames, and what to do about it.

• WindowsInstallFromUSB: throw out your DVD drive!

• DisableCapsLockIndicator from the Widcomm Bluetooth stack

Other

• Random stuff, too miscellaneous to index.

• My Amazon wish list