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  • Installing Cygwin Install Cygwin by running setup-x8664.exe Use the setup program to perform a fresh install or to update an existing installation. Keep in mind that individual packages in the distribution are updated separately from the DLL so the Cygwin DLL version is not useful as a general Cygwin.
  • Installing and Updating Cygwin Packages Installing and Updating Cygwin for 64-bit versions of Windows. Run setup-x8664.exe any time you want to update or install a Cygwin package for 64-bit windows. The signature for setup-x8664.exe can be used to verify the validity of this binary. Installing and Updating Cygwin for 32-bit versions of Windows.
  • Jul 10, 2017  How to install Cygwin for hacking and security Packages to install: Archive - zip Base - tar - gzip Devl - binutils - gcc-core - gcc-g.

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2013-05-26: Socat versions and 2.0.0-b6 fix a security issue: Under certain circumstances an FD leak occurs and may be misused for denial of service attacks against socat running in server mode (CVE-2013-3571, advisory).

I am currently trying to install and update a few packages on a Windows OS. The only matter is that I am using Cygwin in order to type the commands through a terminal (as I'm aware, I can type in Linux type commands such as cd, ls etc. Download film drama korea terbaru 2015 subtitle indonesia. on Cygwin - I may be wrong). Mount and blade emissary. However, when I try to install a package like:

I get the reply:

Does anyone have an idea as to how I can fix this problem?

7 Answers

Cygwin is not a full Linux distribution. Therefore you don't have sudo or the Debian/Ubuntu package manager apt-get. There is a number of packages available from the Cygwin repository: http://cygwin.com/packages/You have to chose these packages during setup.


Run cygwin as administrator. then you wouldn't need any sudo command.

Windows does not have sudo, apt, or almost any Linux commands to be exact. Cygwin may allow some, but as programs are not installed on Windows as packages apt-get will not work. Windows programs have installers as .exe or .msi instead.

The Windows version of sudo is called runas in case you need to run something as another user. Or, you can run Cygwin as administrator.

If you have to use the packages you need Linux. You can install it directly to replace Windows, dual-boot or use a virtualization software like VMware VirtualBox.


Making out an explanatory answer from answer here by @Aimal as it worked for me.

Cygwin may not get permissions to create folders and files when run by clicking Cygwin icon that's in normal mode.

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Cygwin gets the right authorization only when right click -> 'run as adminitrator' on cygwin icon because of that it gets permissions to create folders and files.

Cygwin lets you run certain commands, such as cd, ls, or mv; but it doesn't let you run other commands, such as sudo or apt-get.

  • If you're trying to add a package to your Cygwin installation, rerun Cygwin Setup. It may still be in your 'Downloads' folder. Go through all the steps again. The Cygwin installer will automatically download and install the package you want, and add it to your Cygwin installation. (I think it will probably also upgrade all your other installed Cygwin packages to the latest available versions.)

  • If your desired package isn't on the Cygwin package list but is on the Cygwin Ports package list, follow the Cygwin Ports installation instructions. Note that Cygwin Ports is separate from Cygwin. Please do not send messages about Cygwin Ports packages to the cygwin.com mailing lists.

  • If you have years of Linux experience, you may be able to compile the software you want inside Cygwin. This can be challenging.

  • Perhaps an option simpler than 'compile it yourself' is this: You can install VirtualBox, then install your favorite Linux distribution inside the virtual machine, then install your desired package inside Linux. (I like Ubuntu Linux, which has more than 27,000 packages in its 'Universe' repository.) Now you can run Linux and Windows at the same time.


Socat For Windows

I think I tried steps below after doing some research & succeeded (on windows)

1.Install scoop using powershell 3 (iex (new-object net.webclient).downloadstring('https://get.scoop.sh'))2. do scoop install --global sudo3. make sure paths (C:Usersscoopshims & C:ProgramDatascoopshims) added in environmental path variable.

In my case, I wanted to install curl, but could not create directory /usr/local/curl/lib when running command 'make install', because of permission deny. so i need to change /usr/local permission. when i run sudo chmod 755 /usr/local, sudo command not found.

after searching a few solution, found that sudo is not installed by default in Cygwin. But I tried the solution that Aimal gave which is to run Cygwin as administrator. I finally can change the folder permission. Thanks Aimal.

Install Socat Cygwin

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