Download Cygwin Windows 11
Penelope Belkowski
At the heart of the Cygwin collection of tools is the cygwin1.dll dynamic link library (DLL). The DLL serves as an emulation layer that provides Portable OS Interface, or POSIX, system call functionality. The Cygwin distribution also has a large collection of free tools, including most GNU and many Berkeley Software Distribution tools, along with an X server and a full set of X applications.
I would like to monitor processes from a cygwin shell, using top or a variant. The reason for this is its realtime reporting and constant updates. However under cygwin, top will not report on windows processes.
You have to install the procps library for cygwin, this includes the top program, however that will only list processes running in cygwin. If you want to see all processes running on windows, refer to this answer: -top-command-see-processes-for-all-users
If you have a Windows program that is a subprocess under a cygwin bash process you can use taskkill /F /PID [the cygwin process id] /T to kill the process tree, no need to get the Window PID from ps with awk etc.
This is tested under Win7 x64.
I had a more challenging situation than most answers considered: killing the Windows process by executable name (node.exe) was too broad so I had to find the WINPID by looking at the command line arguments. And unfortunately, the cygwin ps command doesn't show commandline arguments.
As an aside, you can find command line arguments for your visible cygwin processes by running this: grep -a "" /proc/*/cmdline xargs -0 But that didn't help me in this situation because the process I wanted to kill wasn't visible by cygwin and therefore wasn't in that output.
Fortunately, Windows (10, at least) comes with a command line tool you can run in cygwin to get command name and argument information. Here's how: wmic process get ProcessID, Commandline /format:csv. The output looks something like this:
Other answers here claim you can /bin/kill -f $WINPID those, but when I tried, it reported this error: kill: illegal pid: $WINPID. I suspect this has something to do with cygwin not running in administrator mode?
I decided to post this as a separate answer because, in my humble opinion, the information that led up to this line is just as valuable as the answer itself: it provides a variety of ways to get the Windows PID from cygwin even if the process isn't visible in cygwin.
Could y'all update the wiki to include a Windows 10 instead of Windows XP graphic? I've got cygwin installed and have placed the cdo.exe file in my windows/system32 folder and still can't get CDO to install per the instructions.
The time came for me to upgrade from cdo 1.6.9 and I am hitting an issue in getting the 64 bit windows cdo.exe to run. When I run ./cdo.exe there is simply no output at all - no errors are reported, but no output either.
When I try ldd ./cdo.exe I get the output as shown in the attached. What I notice is that the linked cygwin paths are all in /usr/bin/, but in my cygwin install there is no such directory. Instead my cygwin installation has all the linked dlls in /bin. Could this be an issue?
I will check thw binary again on my windows box. could be that thw cygwin installation on the huilding machine needs an update. in general it dosnt matter where the dll are, but not getting any output is weird.
Every once in a while I hear of windows users trying to find a good SSH client for Windows to connect to their Linux boxes. For the longest time, a couple of the more popular choices have been Cygwin and Putty.
Ok, maybe not...but its very likely that if you are reading this and find yourself needing to SSH here and there, you also use GIT. Well many are unaware that git for windows bundles several Linux familiar tools. Many might use these in the git bash shell.
Don't get me wrong here - I'm not anti bash when I am on Linux. Its great. But I find tools like bash and cygwin offer a "worst of both worlds" experience on Windows. You don't need to run in the bash window to access SSH. You just need to make a small modification to your path. Assuming git was installed to C:/Program Files/Git (the default location), just add C:/Program Files/Git/usr/bin to your path:
I am attempting to install root on my windows 10 laptop. Unfortunately the laptop does not support virtual machines so I will have to use cygwin. I found this guide on how to install root with cygwin.
I currently have a project with a workflow that uses pandoc in its Makefile to convert text from Markdown to LaTeX to PDF. This requires that a LaTeX engine be present in my path, or specified with the --latex-engine option. The rest of my development is done in cygwin64 on 64-bit Windows 7.
It's worth noting that running pandoc main.tex -o main.pdf from the Windows command line seems to work just fine, and gives no UAC prompts. Ideally, I would like a solution where I can run the same installation just as easily from either the Windows or cygwin command line, but being able to run it from cygwin is a must for my workflow (i.e., answers along the lines of "Why even bother with cygwin?" are not acceptable here). It seems there really ought to be a simple way to make this installation available to cygwin.
The key here is that I gave the full path for MiKText's pdflatex.exe in the --latex-engine key, in quotes, using the windows path (as the pandoc I installed is the windows pandoc, it requires windows-style paths to find resources).
Thanks to Ulrike Fischer's comment, I realized that trying to get the Windows-based MiKTeX installation to play nicely with the cygwin-based pandoc installation was a fool's errand. Best to keep those things separate.
So if you put cygwin1.dll in c:\ocaml-stuff, then /tmp corresponds to c:\ocaml-stuff\..\tmp, i.e., c:\tmp. An easy way to understand this is: in Cygwin, cygwin1.dll expects to live in /bin, so /tmp corresponds to a sibling subdirectory. So one option is to create this tmp directory: your OCaml executable will happily use that.
For those who want to start syncthing as a service under windows (7) using the cygwin environment here is a bash script that expects the syncthing exe under for personal directory/binStart it using the cygwin bash shell and it stays silently in the background and logs in files.
It consists of a DLL (cygwin1.dll), which acts as an emulation layer providing POSIX system call functionality over Windows. With Cygwin, users have access to standard UNIX utilities, which can be used either from provided bash shell or through Windows Command Prompt.
here is a protip. You can use Windows Terminal or Cmder with Terminus. Just set bash or in your case, cygwin as the default shell for the program. See the readme from the terminal plugin, so you get the idea.
PART I
Here is what I would do in your case. Download cmder mini. It is portable. If you want a faster way to download and manage updates, use chocolatey or scoop. Both are package managers for Windows. There are instructions in the cmder github on how to set cygwin as the shell.
I suspect that the forked javac' has the wrong JAVA_HOME settings. That is/cydrive/c/Program Files/Java/jdk1.8.0_45, which pointed to Cygwin munged path, but this may not be correct for a Windows Java process under Cywin. A normal windows DOS process would have the JAVA_HOME asC:\Program Files\Java\jdk1.8.0_45`. So what type of process is Gradle forking? Is it a CygWin process or is it DOS shell process?
Cygwin is large collection of GNU and Open Source tools which provide functionality similar to a Linux distribution on Windows. It is also a DLL (cygwin1.dll) which provides substantial POSIX API functionality.
Cygwin is a POSIX-compatible programming and runtime environment that runs natively on Microsoft Windows. Under Cygwin, source code designed for Unix-like operating systems may be compiled and run natively with minimal modification. From cygwin.com: Cygwin is a large collection of GNU and Open Source tools which provide functionality similar to a Linux distribution on Windows. Cygwin also provides substantial POSIX API functionality.
Cygwin is freesoftware that provides a Unix-like environment and software tool setto users of any modern x86 32-bit and 64-bit versions of MS-Windows(XP with SP3/Server 20xx/Vista/7/8) and (using older versions ofCygwin) some obsolete versions (95/98/ME/NT/2000/XP without SP3) aswell. Cygwin consists of a Unix system call emulationlibrary, cygwin1.dll, together witha vast set ofGNU and other free software applications organized into a large numberof optional packages. Among these packages are high-quality compilersand other software development tools, an X11 server, a complete X11development toolkit, GNU emacs, TeX and LaTeX, OpenSSH (client andserver), and much more, including everything needed to compile and usePhysioToolkit software under MS-Windows.
Important: The default root directory for Cygwin applicationsis C:/cygwin. Change it if you wish (using '/' rather than '\'as a directory separator, as shown)`, but do not choose alocation that contains spaces anywhere in its path name. Allfiles installed by the Cygwin installer go into this directory; touninstall Cygwin at a later date, simply remove this directory and allof its contents.
As noted, Cygwin provides a Unix-like environment under Windows. Theinstallation directory (by default, c:\cygwin) is the root ofthe Unix-like file system, which contains bin, etc,home, tmp, and usr directories as would be foundon a GNU/Linux or other Unix system. Within home will be one ormore subdirectories, each allocated to a Windows user.
Pathnames of files are often confusing to new Cygwin users. A pathname issimply a set of directions for finding a file. An absolute pathnamebegins at a fixed location (the root of the file system). Theconfusion arises because native Windows programs use c:\ as theirroot, and Cygwin programs use c:\cygwin (unless you chose some otherplace to install Cygwin).
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