This post outlines how to install Debian without requiring writing the ISO image to a USB or burning to DVD drive.
Rename a user in Linux
If you have a single user account it is not possible to rename the user login name whilst logged on. To do so use cron to run the necessary commands. Create a script with the required commands: nano /usr/local/bin/rename_user # First rename the user login: /usr/sbin/usermod –login newlogin oldlogin # Second rename the group account: … Continue reading Rename a user in Linux
Practical IPsec VPN Information
IPsec (common for IKEv1 and IKEv2): IKEv1: AH vs ESP: Perfect Forward Security (PFS): Dead-Peer Detection (DPD): Aggressive vs. Main: IKEv2 enhancements: Xauth: L2TP/IPsec:
Driver for ACPI INT34c6 on Dell server
If you have an unknown device on a Dell server and msinfo32 shows the component problem device ID as ACPI/INT34C6, you need to install the Intel chipset Tatlow Platform LPSS driver, this will install the Intel Serial IO GPIO driver for the device.
Windows 7 or 8 to 10 Free Upgrade
Update – October 2023: Microsoft have withdrawn the free upgrade for Windows 7 to 10. You may still be able to use your reserved upgrade privilage by reinstalling with a Windows 10 DVD and entering your Windows 7 license key during installation. Still running Windows 7? It’s well over time for you to upgrade to … Continue reading Windows 7 or 8 to 10 Free Upgrade
Nextcloud – cancel a remote wipe
Found your laptop after sending the Remote Wipe from Nextcloud?! Don’t want it to delete the Nextcloud files and account? Cancelling a Remote Wipe can’t simply be done through the web interface, other than removing the token to force a new sign in (unclear whether the wipe will still occur). Using your preferred MySQL tool, … Continue reading Nextcloud – cancel a remote wipe
macOS on Windows with QEMU
It is possible to emulate macOS inside Windows with Qemu. There are a number of difficulties with keyboards, mouse and drivers, but below is a command line that has been verified working with Monterey and WHPX accelerator. This is useful for testing features and obtaining screenshots, but will not be a reliable system due to … Continue reading macOS on Windows with QEMU
L2TP/IPsec VPN with PSK on Windows 10 connecting to RRAS
When trying to connect a Windows 10 client to Server 2019 Routing and Remote Access L2TP/IPsec tunnel two important settings are required on the client that aren’t commonly documented:
Conky diskiograph scale
When using conky to monitor disk I/O, the default scale is dynamic. This makes it unclear how much I/O is actually happening – a high bar will appear even when little activity is occurring due to the scaling. Unfortunately the scale feature is not documented well. Using a non-logarithmic scale of 1000 seems to present … Continue reading Conky diskiograph scale
Configuring Dual Monitors to Match Colours
Do you have two monitors connected, from two different manufacturers, and find the colours don’t match? Below is a guide to help you match the displays so the colour difference is not jarring when comparing windows on the screens. NB: This guide is not for calibrating monitors for professional colour work as required for graphic … Continue reading Configuring Dual Monitors to Match Colours