techdoc

From time to time I upload technical documentation that I wrote for personal use as a reference for my future self.

recently added

Linux on UEFI platforms

created on

November 23, 2025

enable access to UEFI on Linux enable EFI Runtime Services support in the kernel The kernel configuration parameter CONFIG_EFI=y enables EFI Runtime Services in the kernel. ...

starting Payara Micro

created on

November 21, 2025

starting Payara Micro from the command line Here are the command line parameters that I use most often when starting Payara Micro: ...

preparations check if wlan0 is powered up iwlist wlan0 power list available networks with iwlist iwlist wlan0 scanning generate config block for SSID with wpa_passphrase wpa_passphrase computes a 256-bit PSK and generates a configuration block for the network with the SSID (Service Set Identifier) or ESSID (Extended Service Set Identifier) provided as parameter. For an access point with the SSID base, the command line is: ...

dhcpd setup

created on

November 18, 2025

dhcpcd reached its EOL in the end of 2022 and is now superseded by kea. One reason to use dhcpd any longer is when a migration is to kea version 1.9.1 or later is not possible. ...

recently modified

Linux on UEFI platforms

created on

November 23, 2025

enable access to UEFI on Linux enable EFI Runtime Services support in the kernel The kernel configuration parameter CONFIG_EFI=y enables EFI Runtime Services in the kernel. ...

starting Payara Micro

created on

November 21, 2025

starting Payara Micro from the command line Here are the command line parameters that I use most often when starting Payara Micro: ...

wireless setup

created on

November 18, 2025

dhcpd setup

created on

November 18, 2025

dhcpcd reached its EOL in the end of 2022 and is now superseded by kea. One reason to use dhcpd any longer is when a migration is to kea version 1.9.1 or later is not possible. ...