update wrong dates/lastmod meta in some posts

and fix some `code` in tuxedo post

content/posts/2021-08-12-running-n1mm-logger-on-linux/index.md

@@ -4,7 +4,7 @@ summary: >
   This is my attempt to properly install N1MM Logger+ on my main computer
   running Manjaro/Ubuntu Linux.
 date: 2021-08-12
-last_modified: 2022-08-30
+lastmod: 2022-08-30
 categories: [amateur-radio]
 tags: [linux,windows,n1mm,emulation,wine]
 

content/posts/2022-07-10-raspberry-pi-4-64bit-dual-hat-hotspot-without-pi-star/index.md

@@ -4,7 +4,7 @@ summary: >
   Working without Pi-Star on a fresh and lightweight Raspberry Pi OS (64 bit)
   installation. One of the longer articles over here...
 date: 2022-07-10T14:27:28+02:00
-last_modified_at: 2022-08-20T07:55:25+02:00
+lastmod: 2022-08-20T07:55:25+02:00
 categories: [amateur-radio]
 tags: [pistar,dmr,ysf,dstar,hotspot,mmdvm]
 #weight: 1

content/posts/2023-01-24-tuxedo-notebook-driver-issues/index.md

@@ -92,8 +92,7 @@ $ yay tuxedo-keyboard-dkms
 Default values are crap (on my Polaris).
 
 ~~~console
-$ echo "options tuxedo_keyboard color=WHITE" | sudo tee 
-/etc/modprobe.d/tuxedo_keyboard.conf
+$ echo "options tuxedo_keyboard color=WHITE" | sudo tee /etc/modprobe.d/tuxedo_keyboard.conf
 ~~~
 
 You may read on the tuxedo website that you load other colors