Put a long process without necessary power on pc I have two pc on my home network. One of them is the Raspberry Pi. The Raspberry Pi has static IP. I connect with it, through my another pc, with ssh user@ip. But if I put a long process run I have to leave my pc power on.  How can I put long or short process run on my raspberry (or another machine with Linux) and shutdown the machine with I used to connect the raspberry?
How to keep processes running after ending ssh session? Let's say I launch a bunch of processes from a ssh session. Is it possible to terminate the ssh session while keeping those processes running on the remote machine?
How do I use jpnevulator to capture and log the serial traffic between an application and hardware serial port? OK, I've been googling for hours so I obviously have not been able to understand the answers to the various questions that have already been asked about this subject.  I am hoping that, by asking the question again in a more specific way, I will be able to get an answer I can understand.  I have some application running in linux that communicates with an external device attached to a serial port.  I want be able to capture and log the data sent in both directions between the application and the device, with timestamps at the beginning of each line in the file.  As a test case, I am using minicom as the application I want to monitor, connected via a null modem cable to another computer also running minicom.  I have already confirmed that, if I type characters on either of the computers, characters appear in the other computer's terminal.  So far, so good.  I then found this question:    In the answer to this question, the program jpnevulator is suggested.  However, when reviewing the man page, I could not figure out the right way to use jpnevulator to get what I want.  Here is what I tried to do:  First, I opened a terminal window and typed the following command:  $jpnevulator --tty=/dev/ttyS0 --pty --pass --read --ascii --timing-print --file=serial.log   I saw the output:     jpnevulator: slave pts device is /dev/pts/18  I then opened another terminal window and typed the following command:  minicom -D/dev/pts/18 -b115200   Minicom opened without complaint.  However, when I typed characters in either terminal (local and remote), nothing appeared in either terminal.  jpnevulator only logged the data written to /dev/pts/18.  My expectation is that jpnevulator :   reads data from /dev/pts/18 and "passes" this data on to /dev/ttyS0 while also writing this data to the specified file. reads data from /dev/ttyS0 and "passes" this data on to /dev/pts/18 while also writing this data to the specified file.   I am aware of the remark in the faq that says "Jpnevulator was never built to sit in between the kernel and your application. I'm sorry."  However the very same faq states in the second paragraph down: "Now with a little bit of luck some good news: A little while ago Eric Shattow suggested to use pseudo-terminal devices to sit in between the kernel and your application."  That is the approach I am trying to take but I am having no success.  What am I missing?  Thanks to all in advance.  Cheers, Allan  p.s. I was successfully able to capture the back and forth traffic using the socat method mentioned in the existing question I referenced but this method did not offer any way of timestamping the traffic.  I was hoping that jpnevulator would have provided this for me. How do I get the local machine name in C#? File /etc/ld.so.nohwcap is missing in Debian 7 What is the file /etc/ld.so.nohwcap used for?. In my machine (Debian 7), this file is not found. Therefore, Which package or library this file belongs to? What are logic gates? So from what I understand transistors are one of the most important electronic elements for computers because of TTL (Transistors-Transistors Logic).  Is this true? If so, how exactly does this work? I have heard the terms "logic gate" and "logic block" tossed around. If a run the watch command containing an alias, it will not expand the alias. I have tried both with single quote and double quotes, in fact given the following alias:  # alias ll alias ll='ls -l --color=tty'   The following command will fail  # watch ll sh: ll: command not found   Shouldn't command line expansion work in this case? 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Number theorems with chapter number I use declaretheoremstyle to define a theorem environment, and print a list of theorems in the end of my document:  \documentclass[12pt]{book} \usepackage[english]{babel} \usepackage[margin=2cm]{geometry}% just for the example \usepackage{xcolor} \usepackage{amsthm} \usepackage{thmtools} \usepackage{mdframed} \usepackage{etoolbox}  \declaretheoremstyle[   spaceabove=6pt, spacebelow=6pt,   headfont=\normalfont\bfseries,   postheadspace=1em,   notefont=\bfseries,   notebraces={(}{)},   bodyfont=\itshape,   shaded={bgcolor=yellow!20} ]{thmstyle}  \declaretheorem[style=thmstyle,name=Theorem]{theorem}  \begin{document}  \begin{theorem}[Somebody] ... \end{theorem}  \begin{theorem} ... \end{theorem}  \renewcommand{\listtheoremname}{List of Theorems} \addcontentsline{toc}{section}{\listtheoremname} \listoftheorems[ignoreall,show=theorem]  \end{document}   The theorems are numbered from the beginning to the end of the book, and from 1:    However, I would like to number the theorems with chapter number (like Figures or Tables), for instance, 1.1 (the first theorem in Chapter 1), 1.2 (the first theorem in Chapter 2)...  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