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Useful Configuration of Cygwin, Part 2: SSH and Vim Setting up SSH One great thing about having this setup is the ability to be able to ssh to and from remote boxes to your Windows box and to be able to transfer files with the scp command. To do this SSH needs to be properly set up. It is a fairly simple matter. Just run the command ssh-host-config from the console. Here is how I answer the following questions: Should privilege separation be used? (yes/no) -> No Which value should the environment variable CYGWIN have when sshd starts? It's recommended to set at least "ntsec" to be able to change user context without password. Default is "ntsec". CYGWIN= -> ntsec Do you want to install sshd as service? (Say "no" if it's already installed as service) (yes/no) -> yes You will also be asked if you want it to generate some keys and whether you want to use them to log on. I definitely say "no" to the RSA 1 key and say yes to both RSA and DSA 2 keys. Next launch start the service with the following command: cygrunsrv -S sshd Now in the Services window of Administrative Tools under Control Panel you should see the CYGWIN sshd service running. Setting up the Vim editor Vim (Vi IMproved) is another extremely useful and important tool that comes with Cygwin. The long and short of getting it running properly is to set up a .vimrc config file in your home directory. There is already provided a good example which you can copy to your home directory: cp /usr/share/vim/vim63/vimrc_example.vim ~/.vimrc The path /usr/share/vim/vimNN is dependent upon the version NN of vim installed (in this case v.6.3). Here is another tip: vim comes with the view command which is an alias that opens a file in in Vim in read-only mode. Using view you can view files with syntax-highlighting and line number display just as in vim (provided you set up your ~/.vimrc as above). Listing package contents If you want to know the contents of a Cygwin package use the cygcheck command to list them. For example: cygcheck.exe -l vim | less will list the contents of the vim package. Using sc.exe to control services remotely Now that you have a functional shell environment and the ability to use ssh to open a remote console session one very useful command to know is sc.exe. Sc.exe is not part of Cygwin but rather is included with Windows XP and later. For Windows 2000 it was included as part of a collection of command-line utilities called the Server Extensions Resource kit. If you do not have this command on your system (hint: run which sc.exe in your BASH shell to see if/where it is) you can find places to download it. Sc.exe allows you to query running services, search for a particular service, and to start, stop, and restart services. Here is an example session: $ sc query | grep -i apa SERVICE_NAME: Apache DISPLAY_NAME: Apache $ sc stop Apache SERVICE_NAME: Apache TYPE : 10 WIN32_OWN_PROCESS STATE : 3 STOP_PENDING (NOT_STOPPABLE,NOT_PAUSABLE,IGNORES_SHUTDOWN) WIN32_EXIT_CODE : 0 (0x0) SERVICE_EXIT_CODE : 0 (0x0) CHECKPOINT : 0x4 WAIT_HINT : 0x3a98 $ sc start Apache SERVICE_NAME: Apache TYPE : 10 WIN32_OWN_PROCESS STATE : 2 START_PENDING (NOT_STOPPABLE,NOT_PAUSABLE,IGNORES_SHUTDOWN) WIN32_EXIT_CODE : 0 (0x0) SERVICE_EXIT_CODE : 0 (0x0) CHECKPOINT : 0x2 WAIT_HINT : 0xbb8 PID : 3424 FLAGS : |
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