Questions tagged [cygwin]

cygwin provides a Unix/Linux-like environment under Microsoft Windows OSes.

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Cygwin find returns "missing argument to `-exec'"

I have backups script that removes backups older than x days. On Linux machine this is working well: find /backups/dummy-prod-db -name "*_D_dummy-prod-db*" -type f -mtime +7 -exec rm -v {} \;...
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1 answer
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How to properly run GUI VNC clients on Cygwin

I want to use vinagre or remmina VNC clients but they fail to run: $ vinagre C:/cygwin64/bin/vinagre.exe: error while loading shared libraries: cygvte-2.91-0.dll: cannot open shared object file: No ...
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How to remove the "+" and "-" after a diff comparison

I compare 2 files using Cygwin (MobaXterm) diff. Output files have -- a and ++ b lines at the first line. I want to delete only these lines. How could I do it? Here's my script: #! /bin/bash sort -...
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Keboard grabbing VNC Viewer for Windows

I've used the cygwin X server XWin and gvncviewer to display a Linux desktop on a Windows machine, but the keyboard grabbing function offered by gvncviewer does not work in this configuration: I'm ...
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1 answer
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Move and rename files based on their parent folders

I'm trying to write a Bash function that will find files in a given directory tree and move them to the current folder while renaming them based on their parent folder, but I'm still stuck on the ...
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cygwin /usr/bin/install cannot change permissions

When I run /usr/bin/install, I get permissions errors: bifrost ~ 857# groups None Local account and member of Administrators group tsysadm Administrators Users NETWORK Authenticated Users This ...
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Start metacity on Cygwin (Windows 11) in multiple window mode

How can I start cygwin X (I'm using metacity/gnome) in multiple windows mode, where each xterm or terminal or application starts in its own windows, rather than having a single application window and ...
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1 answer
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How to fix Cygwin installation, when unable to update setup?

I have Cygwin installed on my Windows 10 system. Every now and then I run Cygwin Setup to add packages as needed (mostly scripting interpreters). For some time now I face a problem when trying to ...
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Is there an effective way to obtain CPU values from cygwin?

How would you get the CPU usage of a windows machine from cygwin without causing the CPU to spike when running the command? Some options I have tried: parsing the entire output of top -n1 -b and ...
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2 votes
1 answer
186 views

Use putty on windows to connect to Cygwin on Windows10

Just got a shiny new laptop running Windows 10. Installed Putty and installed Cygwin and now I want to setup Putty to open "Local" windows with a cygwin bash like I have with my last three ...
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3 votes
2 answers
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Ignoring timestamps, how to remove non-chat duplicates?

Ignoring timestamps, how may one remove non-chat duplicates in the following? The chats have 2 formats beginning by a nickname surrounded by angle brackets and starting with a nickname followed by &...
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Cygwin rsync cannot run outside of Cygwin terminal

I installed rsync 3.2.4 with cygwin in windows11 with the path C:\Cygwin\bin\rsync.exe. When I directly run rsync in windows terminal, I got the error code 12. But this command runs normally when ...
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Is there something that would allow a Windows application source code to be recompiled to Linux? [closed]

Think WINE but recompilation. Think Cygwin but the other way around. If not, what are the challenges getting in the way? Edit: I'm looking for something that works like WINE but can get me better ...
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2 answers
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In Windows cmd, does grep use GetCommandLine(), and findstr use argv?

In Windows cmd, does grep use GetCommandLine(), and findstr use argv? This is the grep i'm using C:\>where grep c:\cygwin\bin\grep.exe C:\>c:\cygwin\bin\grep.exe --version grep (GNU grep) 3.7 ...
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How to compile libassuan as shared library

I need to compile gpgme for windows (in CygWin). To compile it, I need shared version of libassuan library. But whathever I do it always compiles as static library. I even edited configure script, ...
1 vote
1 answer
516 views

Windows: How to make cygwin bash.exe to take precedence over wsl in command line?

I have installed cygwin on Windows 11. Now, when I open the Windows command line, I want the bash.exe command to run the cygwin's bash command instead of bash linked with wsl (Windows subsystem for ...
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1 answer
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can't run commands in bash invoked from emacs shell on windows

I invoked "shell" which correctly runs cmd.exe and runs correctly. However, when I run bash from within that shell, every command gives an error Microsoft Windows [Version 10.0.22000.739] (c)...
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With cygwin, how do you restart an ssh reverse tunnel without a forwarding issue "Warning: remote port forwarding failed" message occurring?

With cygwin, how do you restart an ssh reverse tunnel without a forwarding problem "Warning: remote port forwarding failed" message occurring? I have this command ssh -R 50500:127.0.0.1:5900 ...
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1 vote
1 answer
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How do I get Bitvise WinSSHD to provide me with a CMD console when I log in? SSHing to a Windows machine.(from a windows machine too)

How do I get Bitvise WinSSHD to provide me with a CMD console when I log in? I set up Bitvise SSH server locally, and logged in locally with cygwin and with Bitvise SSH client. A bit odd that I can't ...
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rysnc not working with sshpass but works without it

I am trying to create a sync with strato hidrive and I cannot use keys at the moment, just so that it's not suggested in the responses. When I execute the script with sshpass in my local VM with ...
1 vote
0 answers
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bash: patch.exe: Permission denied; how to turn off security regarding 'patch' in program name in windows 10?

I stumbled upon a problem patching a .diff file using patch. I use bash under windows 10 and the result of of this operation is as follows: $ patch < patch.diff bash: /cygdrive/c/cygwin/bin/patch: ...
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Copying from notepad++ also copies the name of the file at a random location

This one's weird: (notepad++): ### Init mongo-express docker run -d \ --network mongo-network \ --name mongo-express \ -p 8081:8081 \ -e ME_CONFIG_OPTIONS_EDITORTHEME="ambiance&...
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1 vote
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Installed Windows 10, file permissions causing all sorts of problems with cygwin

A little bit about my setup: Was previously running Windows 7 with 0Patch, finally installed Windows 10 (clean install). All of my data is stored within an encrypted VHD (TrueCrypt/VeraCrypt) on a ...
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1 answer
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how to get /etc/machine-id on Cygwin?

seems Cygwin doesn't make a /etc/machine-id by default, how should i get a /etc/machine-id on Cygwin? i guess doing php -r 'echo bin2hex(random_bytes(16));' > /etc/machine-id is close enough? but ...
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2 answers
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Convert Files to Most Frequent Line Ending (Windows with Cygwin)

I have a bunch of files, many of which have mixed line endings (CRLF or LF). I want to write a script that iterates over a list of files, and for each file, converts the file to the line endings that ...
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How to get Cygwin bash to preserve Windows console default text colors

I had a working workflow where I would create a Windows console (using a Windows command script ("batch file")) that would (among other things such as setting environment variables) execute ...
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Cygwin sshd intermittently getting 'ssh_exchange_identification: read: Connection reset by peer' or not finding binaries

When I ssh to the windows box, on occasion programs on the path are not found, or I get ssh_exchange_identification: read: Connection reset by peer, typically when more than 10 simultaneous ...
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Default directory for zsh (cygwin) terminal is home, not working directory VSCode on Windows

I have setup custom profile for zsh via Cygwin in VSCode as below: "terminal.integrated.profiles.windows": { "zsh": { "path": "C:\\cygwin64\\bin\\bash....
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0 answers
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Error executing script conversion image to metadata block picture

My system is Windows and I installed Cygwin so I can run shell and bash files. I'm having problems running the second script posted here https://superuser.com/questions/169151 by @Biapy and would like ...
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Platform/version-independent sorting for gnu sort

I am trying to do an offline comparison of two lists generated on two different systems. They both have GNU coreutils so to aid the diff'ing, I sort both lists using sort before transferring them. I'...
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1 vote
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Why is my installation of latest Java OpenJDK failing?

I am trying to build the latest Java OpenJDK on Windows 11 from source using Cygwin, from the Git repo https://github.com/openjdk/loom Following the instructions in the README.md there, I see If you ...
1 vote
0 answers
872 views

How to find the port used for SCP?

I'm trying to copy a file from my local (Windows 10, Cygwin) machine to a remote (Raspberry Pi) machine using scp, I get a time out error: $ scp main.bin root@123.12.21.123: ssh: connect to host 123....
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2 votes
1 answer
816 views

Can the Windows %PROGRAMFILES(X86)% environment variable be accessed in Cygwin or Git Bash?

In Git Bash and Cygwin, I can easily access the Windows %PROGRAMFILES% environment variable: $ echo $PROGRAMFILES C:\Program Files $ echo ${PROGRAMFILES} C:\Program Files However, due to the ...
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update package from older version to latest version in cygwin

I am new to the Cygwin environment. Now I need to update the package version from the older version to the newer version. I have installed the Cygwin and also installed the package from the Cygwin. ...
0 votes
2 answers
125 views

Cygwin how do I install **all** packages

I want to install all packages from cygwin here as well as is installed Lynx in the snippet below. How do I check them all at one or two clicks so that I do not need go one item by other ? What ...
0 votes
1 answer
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Accessing notepad++ from cygwin bash

So when I am writing code, I use notepad++ and when I am done, I copy-paste it to plain old notepad because I use Cygwin and notepad is the only text editor that I know how to access from the shell. ...
-3 votes
1 answer
203 views

CygWin doesn't recognize Package Manager (?)

I have installed WinZip and 7Zip, but still the problem occurs It says... Now attempting installation... Looking for a previous installation of SDKMAN... Looking for unzip... Not found. ==========...
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1 answer
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Prevent Cygwin from clearing terminal window

I start a new cmd.exe and run Cygwin like this: C:\cygwin\Cygwin.bat Then I type exit. Cygwin now clears the whole terminal window. Is there a way to prevent this? (I cannot use miniterm.exe because ...
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1 answer
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Where are Cygwin installer settings stored?

I want to install cygwin on a target computer. I want to delete the Cygwin installer settings so my installer only uses default values. I deleted C:\cygwin and the package folder but the installer ...
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1 answer
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CygWin: apt-file alternative?

I am installing yt-dlp from source. It requires pandoc, which I believe is available in a CygWin package. On Ubuntu I would run: apt-file search /pandoc to identify which package to install. What is ...
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1 vote
3 answers
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What does the "cyg" prefix mean?

I've seen so many cyg prefixed things like cygstart, cygpath, cygwin etc., but what exactly does this prefix mean?
2 votes
0 answers
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Cygwin installer does not terminate if run as administrator

I want to install Cygwin quietly. The problem is, that the setup does not terminate. It stays open in the background and takes 100% CPU usage. This can be seen in the task manager. I am calling the ...
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2 votes
1 answer
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Can I add a newline into a command from bash's history?

I often stumble across this problem: I type a command that has multiple lines for readability. This is an example: echo "Hello. This is an example of a very long command which is divided into ...
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0 votes
1 answer
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Specify installation directory in Cygwin installer

I want to automatically install Cygwin using a batch file. I got the command like this until now: setup-x86.exe --packages rsync -l "F:/v2.0/cygwin/packages" -L The setup options can be ...
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1 answer
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Is there a way to search for Cygwin packages by command, and then download the package, and all its dependents?

I'm currently trying to use a program called Paml, in Cygwin but to initially configure it I need to use the "qmake" command in a Cygwin which as far as I can tell, seems to be part of the ...
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Cygwin ctrl-number not working (in cli emacs)

Cygwin ctrl-number is not working in cli emacs. I disabled the mintty options for keyboard shortcuts, so now ^- does work the same as ^u -1. Still, ctrl-number shortcuts do not work in emacs. ^4 ^x o ...
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Cygwin: git 2.33.0: gitk not showing diffs from index

I have been using Cygwin git for a long time (since about 2012). Much better than msysgit, as bash and all utilities are identical to what runs on linux, which is where I deploy. I have lots of ...
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0 votes
1 answer
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Sendemail command not found in cygwin

So I am trying to use sendmail in cygwin because on the server I cannot use other options like mutt because they aren't supported. I have downloaded the sendmail package during the cygwin setup, but ...
2 votes
1 answer
2k views

Cygwin: OpenSSH_8.8p1 appears broken, downgrade to OpenSSH_8.7p1 fixes it

I have been using Cygwin on Windows 10 for many years, and using ssh to access an AWS EC2 Amazon Linux instance for development. Recently, I bought a new Windows 10 PC, installed Cygwin in the usual ...
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Where are Cygwin Packages Installed?

I've recently installed cygwin64 on my Windows 10 machine in an attempt to build a project using cmake (Through CLion). The project has lz4 as a dependency and when running the cygwin setup, there's a ...

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