Entropy increases

My own rough measurements: LengthxWidthxHeight (LxBxH): E0     mm E1     mm E3     mm E36   mm E4     410x310x110 mm E6     410x310x210 mm E...

 Control system volume and play/stop from an external keyboard on a MacBook Pro on macOS Catalina Install Karabiner-Elements and map the fol...

convmv -f utf-8 -t utf-8 --nfc -r . --notest This will for example convert the german ü from 75 cc 88 to 73 bc (which both describe an ü...

One can use Python as a universal converter on the command line like this: cat latin1.txt | python3 -c "import sys; t=sys.stdin.buffe...

I recently tried to find out the limits of my 1&1 virtual server L. The official resourse was not very conclusive about the problems I w...

Find all destination ports used by TCP brute-force attacks on a server: zgrep firewall /var/log/syslog*|python -c "import sys;[sys.st...

Use this to fix: Kill rdpclip.exe using the TaskManager. Start rdpclip.exe using Run. The clipboard should work now again.

This monitors the current clock rate (in MHz) for each core and it also lists the TurboBoost settings depending on how many cores are used:...

If you find that pressing Ctrl-Q and Ctrl-S has no effect at all in a specific GNU screen terminal than you most likely have accidentally sw...

echo -ne "\033]0;SOME TITLE HERE\007"

Problem: I would like to store a backup disk in a different physical place every now and then, just to be sure in case of severe incident li...

I recent was on an Ubuntu 14.04 machine, started a long running dd to clear a disk, and then wanted to monitor progress of this command to g...

http://www.reed.com/blog-dpr/?page_id=6

To save the content of a screen in the "GNU screen" tool to a file, including the scrollback buffer, do the following: - Press C...

When accidentally printing binary data in a terminal the state of the terminal gets messed up and one needs to reset it. When using GNU scre...

Problem: Logging dropped packets using iptables LOG policy did not work. Well, the precise problem was, that the messages did not end up in ...

The original Brother toner cartridges for the Brother MFC-9340CDW printer runs out of toner after a programmed amount of toner usage which i...

Holding down shift while pressing the right mouse button in the selected area copies the text and removes all linefeeds. This is not proper ...

For some reason sometime my Intellisense changes behavior every now and then (probably a Linux Keyboard shortcut entered in VS). To fix thi...

Goal: Let Volumio 1.55 automatically start playing music automatically after the Raspberry Pi is powered on. The RPi is used completely head...

The title says it all. To get the telnet escape char (^]) in a Mac OS X Terminal, for example to quit telnet, you have to type Ctrl+Ü on a g...

My Samsung SSD 840 EVO was suffering from the apparently well known problem that 'old' files (files which have been written a long w...

My Zotac server did not reboot without a monitor attached. Booting from power-up did work ok. The graphical console of grub seemed to be the...

Step 1: Make sure you can execute commands as root on the remote host after logging in, without entering your password. For this there are...

By default iftop shows the bandwidth in Bit/s iftop To show the bandwidth in Bytes/s iftop -B

On a german keyboard the key binding for 'quit' on GNU screen does not seem to work for me (on Max OS X). But one can simply invoke ...

Type: Ctrl-A : hardcopy -h file.txt For me this saves a lot of leading blank lines, but this is ok.

Assuming you have a PDF which has certain restrictions on it (for example you cannot edit the PDF using Preview in the usual way), but which...

Mac OS X Lion provides a command line tool to scan for wireless networks and print useful information about the networks: /System/Library/...