I’m having a problem with my Lenovo USB-C Dock 40AY, my Lenovo laptop (20U2S4HE00), and my two monitors: (1) Gigabyte M27QA and (2) MSI MP273Q E2. The problem is as follows: When I connect both monitors to the dock, monitor (1) runs at the full WQHD resolution, while monitor (2) […]
Daily Archives: October 5, 2026
5 posts
In order to set up Let’s Ecrypt on a Raspberry Pi 4 running Home Assistant, I am tring to set up port forwarding, because port 80 on the Raspberry Pi 4 (Home Assistant) must be reachable from outside when Let’s Encrypt creates a certificate. In Let’s Ecrypt’s log, I read: […]
I needed the command wc -l [file] to display only the number of lines. On a forum somewhere on the Internet, a very helpful user answered exactly this same question. Unfortunately, he didn’t explain why it worked. I’ll use one of my files from the /home/user/ directory as an example: […]
I have compiled kernel debian 6.12.111+deb13-amd64. Note, that I have also run update-grub. I did a small application including lseek call. First, I have to include f_pos from struct file at include/linux/fs.h. I hope you do have this folder on your system (full path is ~/kernel/linux-6.12.111/debian/linux-headers-6.12.111+deb13-common/usr/src/linux-headers-6.12.111+deb13-common/include/linux/fs.h. Basically, I need a […]
I know it is safer to use “always eject”. I also know what happens to the file being copied if I pull the cable mid-write: it’s lost or incomplete, and Windows offers “Scan and fix” next time. My question is about the rest of the drive (i.e., existing files and […]