copy files and directories-p same as –preserve=mode,ownership,timestamps-R, -r, –recursivecopy directories recursively-v verbose, show what is going on. –reflink[=WHEN]control clone/CoW copies. This just copied 169GB of files in 20 seconds. This only works on supported filesystems, so for example by “#Btrfs, #CIFS, #NFS 4.2, #OCFS2, #overlayfs, and #XFS”. See here. Explainshell tells you this.
Fix error “Failed to start DHCP Client Daemon” after upgrade to “Bullseye” on RaspberryPI
Important This fix can be applied before the reboot after the upgrade from Buster to Bullseye, if you missed it you need a MicroSD card reader and some Linux computer (another RaspberryPI would do) to edit the file. In the file there is a wrong path for the dhcpd, it has to be changed. wrong […]
Upgrade Raspberry Pi OS from Buster to Bullseye
So to upgrade Raspbian, as it was previously called, from Buster to Bullseye went smooth an easy, I tried this with some Pi2B (armhf 32Bit) and with a Pi4. These two are headless systems, so I don’t know if this works well for any systems with window managers. Better run these commands in screen, so […]
Adding Debian Buster Backports repo to RaspberryPi for tor
Add key The fingerprint (DC30D7C23CBBABEE) given is the one that the first command outputs, which is the fingerprint of the key downloaded by curl. 2. Add repo run apt update/upgrade Install tor, I did this by:
Debian for Raspberry Pi
Just some info, because the last time when I flashed an SD card I took #Raspbian only because I could not find the #Debian images as quick. Infos about Debian for #Pi are here:https://wiki.debian.org/RaspberryPi Images:https://raspi.debian.net/tested-images/ Some tips for settings, like #SSH on first boot (you need to add a key):https://raspi.debian.net/defaults-and-settings/
Linux swap with dphys-swapfile
This is a solution for a #RaspberryPi, some #VPS without swap of some machine setup without swap where you need swap for something without wanting to fiddle with the drive partitions or so. This is a quick and dirty “short manual” for #Debian based #Systemd environments (such as #Ubuntu, #Mint or #Raspbian). First run this: […]
Debian based full updates in one command
I have this small script deployed on any of my #Debian based systems, it just does all the update, upgrade, dist-upgrade, autoremove and autoclean in one run. I have this script deployed in a lazy manner, I just have it sitting in my users home folder and called it “up”, I did do a “chmod […]
Create Linux dm-crypt BTRFS RAID 1
To do this you need two empty drives, with the guide below all data on the drive will be lost if it is not empty! 1. Install cryptsetup 2. Create the dm-crypt (Make sure to use the correct device. To show available devices use “lsblk”.) 3. Mount the cryptsetup disk 4. Check if this was […]
How to add a swap drive to your system
How to add a swap drive to your system, in this case I did this for a virtual machine (qemu) running Arch Linux. See at the bottom for information about the virtual drive for qemu. List current available to system disks: List all disks: Format as swap: gives back the UUID Now the new swap […]
SSH config, ssh via jumphost and autossh (ssh to Tor hidden service)
This will be a short post about the above mentioned parts, lets start right away. SSH config Every user can have a SSH client configuration file, it is located in ~/.ssh/config (where config ist the filename). My SSH config file, I guess as many other users file, grew over time. Lets start with some things […]