However, it seems that this may not be enough to make it easy to move applications from your existing Unix platform to Interix. The fact that Interop Systems has made available special packages for many GNU applications is evidence that porting applications to SFU may not be as straightforward as is claimed.
Alternatives There are alternatives available for running Unix applications on Windows, but they rarely include the other services that Microsoft is providing here.
Windows Services for Unix 3. SFU is interesting as a glimpse of the way Microsoft is taking Windows -- more command-line administration being one example. If you want to use Windows for some jobs that would otherwise need a Unix machine, SFU is a neat toolkit, but there are others available. Doogee S80 hands-on: A waterproof, rugged walkie-talkie phone. You agree to receive updates, promotions, and alerts from ZDNet.
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If you have an environment in which users already have accounts on both Unix and Windows servers that aren't the same, SFU provides a component that can be used to map the different usernames. You can map usernames in a one-to-one manner or in a one-to-many manner.
Or if you want the user to be able to access multiple user accounts, you can map the user's account name to several different account names. This second feature proves very useful if you have an assortment of Unix servers and each server has a different name used for an administrative account.
You can map a single Windows user account name to each of the user accounts on the various Unix servers. Or you can use this multiple-mapping feature to map the typical Unix account called root to more than one Windows administrative account. The advantages of multiple mappings might not seem very intuitive at first, but let's consider an example.
Suppose that you want to enable the Unix administrator in your network to manage some, but not all, of your Windows-based systems. You can create a user account on each Windows computer and grant it the necessary rights and permissions.
Then map the root account to these new account names. That way you don't have to simply map root to Administrator, which would give access to all computers in the domain. One final note about username mapping: It isn't a substitute for password synchronization. Remember that password synchronization, discussed in the previous section, requires that user account names be exactly the same on the computers that are participating in the synchronization process.
User Name Mapping is simply another tool you can use to manage users who have accounts on both systems. If you're creating a network from scratch or if you can easily create user accounts on all of your systems that are the same, you probably won't need to use User Name Mapping and simply can let the users have a single account name on all systems, keeping passwords synchronized.
Password synchronization will not work to synchronize passwords for accounts that are linked using User Name Mapping! SFU also includes a Telnet server for Windows servers, and a character-cellstyle client application that greatly improves on the simple GUI Telnet client that comes with the standard Windows client operating systems.
That makes it easy to use Telnet to log in to Windows server computers to perform system administration tasks or run character-cellbased user applications. However, if you're using Windows Server computers, this new Telnet client is already on your computer. It's now the standard client for Windows computers.
Simply use the telnet command at the Command Prompt. Alternatively, click Start, Run, enter telnet , and click OK. If you use the telnet command at the Command Prompt, you can specify a target computer on which you want to establish a session. If you use the Start, Run method, you'll find the client starts up in console mode, as shown in Figure For those not familiar with console mode, it simply means that the client is ready to accept configuration commands or open a session with a remote system.
After you exit the remote system, you can return to console mode by holding down Ctrl and then the right-bracket ] key. This can be useful if you need to use the display command to show your current configuration, such as the terminal emulation type. Suppose that you open a session and find that certain keys don't seem to work as you expect. You can escape to console mode, check your current settings using the display command , and then use the set command to change to a different terminal type.
Then simply use the close command to close the session you started, and use the open command to re-establish a session with the remote system.
Some users who are accustomed to using the GUI Telnet client might not appreciate you giving them a simple character cell type of Telnet client. However, the new version is actually faster than the older GUI client and offers more features than its predecessor.
Although Windows server operating systems come with an excellent Telnet server as described earlier in this chapter , SFU also provides a Telnet server that will run on Windows servers. The new server also supports logging to the Windows event log or to a separate log file, and you can choose which events you want to store in the log file. Both methods enable you to configure the standard options discussed earlier in this chapter. This includes selecting which authentication method to use, enabling logging, setting the maximum number of connections remember that the Windows server versions allow for only 2 simultaneous connections, whereas this SFU version allows for up to 63 , and other parameters.
Telnet is sent in clear-text and your credentials can easily be sniffed off your network segment and used to enter the devices you are trying to protect. Web site administrators will be glad to see this SFU component because it's used on a lot of Web servers. Additionally, Perl can be used for other functions, such as automating system management procedures.
The version included with SFU is Perl 5. By including Perl with the SFU package, it becomes easier for Unix or Web administrators who are already familiar with the language to manage systems or Web sites that run on Windows servers. WSH enables those coming from the Windows camp to continue to use JScript, VBScript, and other procedural languages with which they are used to working.
Previous page. Table of content. Next page. To begin the installation: 1. To make matters simpler for a network that's composed of both Unix and Windows users, several syntaxes are supported: net use The standard Windows net use command can be used to connect just as you can to a normal Windows file share. Also can be used to concatenate files. Displays the current environment. TR Replaces all occurrences of one set of characters with another set of characters.
Tip Although SFU 3. Password Synchronization In Version 1 of SFU, the password synchronization feature enabled you to configure a group of Unix servers so that when a user's password was changed on a Windows NT server, the change was propagated to the user's accounts on those target Unix servers. User Name Mapping If you have an environment in which users already have accounts on both Unix and Windows servers that aren't the same, SFU provides a component that can be used to map the different usernames.
New Telnet Server and Client SFU also includes a Telnet server for Windows servers, and a character-cellstyle client application that greatly improves on the simple GUI Telnet client that comes with the standard Windows client operating systems. ActiveState ActivePerl 5. Upgrading and Repairing PCs 20th Edition. Upgrading and Repairing Servers.
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