Cygwinのクールな機能の1つは、cd同じネットワーク上のリモートWindowsマシンにアクセスできることです。
[0 user@machine ~]$ cd //remote-machine/c$
[0 user@machine //remote-machine/c$]$ ls
Program Files/
Program Files (x86)/
ProgramData/
Users/
Windows/
これにより、Windowsリモートデスクトップを使用して接続することなく、仕事に関連する多くのことを非常に迅速に行うことができます。
しかし、時々自宅で仕事をし、仕事用のマシンに移動します。そこからcd、同じ方法で同じマシンにアクセスできるようにしたいのですが、できません。
[0 user@machine ~]$ cd //remote-machine/c$
-bash: cd: //remote-machine/c$: Permission denied
Cygwin sshdがsshを介して接続するときにユーザーをどのように処理するかに関係があると思われます。しかし、私はそれを行うことができる同僚がいるので、それが可能であることを知っています。残念ながら、彼はsshdのセットアップ中に特別なことをしたかどうかを思い出せません。
これは、ssh-host-configセットアップ中のmy からの出力です（管理者としてCygwin minttyを起動しました）。
[0 user@machine ~]$ ssh-host-config
*** Info: Generating missing SSH host keys
*** Info: Creating default /etc/ssh_config file
*** Info: Creating default /etc/sshd_config file
*** Info: StrictModes is set to 'yes' by default.
*** Info: This is the recommended setting, but it requires that the POSIX
*** Info: permissions of the user's home directory, the user's .ssh
*** Info: directory, and the user's ssh key files are tight so that
*** Info: only the user has write permissions.
*** Info: On the other hand, StrictModes don't work well with default
*** Info: Windows permissions of a home directory mounted with the
*** Info: 'noacl' option, and they don't work at all if the home
*** Info: directory is on a FAT or FAT32 partition.
*** Query: Should StrictModes be used? (yes/no) yes
*** Info: Privilege separation is set to 'sandbox' by default since
*** Info: OpenSSH 6.1. This is unsupported by Cygwin and has to be set
*** Info: to 'yes' or 'no'.
*** Info: However, using privilege separation requires a non-privileged account
*** Info: called 'sshd'.
*** Info: For more info on privilege separation read /usr/share/doc/openssh/README.privsep.
*** Query: Should privilege separation be used? (yes/no) yes
*** Info: Note that creating a new user requires that the current account have
*** Info: Administrator privileges. Should this script attempt to create a
*** Query: new local account 'sshd'? (yes/no) yes
*** Info: Updating /etc/sshd_config file
*** Query: Do you want to install sshd as a service?
*** Query: (Say "no" if it is already installed as a service) (yes/no) yes
*** Query: Enter the value of CYGWIN for the daemon: [] ntsec
*** Info: On Windows Server 2003, Windows Vista, and above, the
*** Info: SYSTEM account cannot setuid to other users -- a capability
*** Info: sshd requires. You need to have or to create a privileged
*** Info: account. This script will help you do so.
*** Info: It's not possible to use the LocalSystem account for services
*** Info: that can change the user id without an explicit password
*** Info: (such as passwordless logins [e.g. public key authentication]
*** Info: via sshd) when having to create the user token from scratch.
*** Info: For more information on this requirement, see
*** Info: https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-nopasswd1
*** Info: If you want to enable that functionality, it's required to create
*** Info: a new account with special privileges (unless such an account
*** Info: already exists). This account is then used to run these special
*** Info: servers.
*** Info: Note that creating a new user requires that the current account
*** Info: have Administrator privileges itself.
*** Info: No privileged account could be found.
*** Info: This script plans to use 'cyg_server'.
*** Info: 'cyg_server' will only be used by registered services.
*** Query: Do you want to use a different name? (yes/no) no
*** Query: Create new privileged user account 'MACHINE\cyg_server' (Cygwin name: 'machine+cyg_server')? (ye s/no) yes
*** Info: Please enter a password for new user machine+cyg_server. Please be sure
*** Info: that this password matches the password rules given on your system.
*** Info: Entering no password will exit the configuration.
*** Query: Please enter the password:
*** Query: Reenter:
*** Info: User 'machine+cyg_server' has been created with password ''.
*** Info: If you change the password, please remember also to change the
*** Info: password for the installed services which use (or will soon use)
*** Info: the 'machine+cyg_server' account.
*** Info: The sshd service has been installed under the 'machine+cyg_server'
*** Info: account. To start the service now, call `net start sshd' or
*** Info: `cygrunsrv -S sshd'. Otherwise, it will start automatically
*** Info: after the next reboot.
*** Info: Host configuration finished. Have fun!
その他の関連情報：
- 私のユーザー名は私の仕事のドメインのドメインユーザーです
- sshdを実行しているマシンはWindows 8.1 Enterpriseです