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Contents of /SheepShaver/doc/Linux/using.html

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1 <HTML>
2 <HEAD>
3 <TITLE>Using SheepShaver</TITLE>
4 </HEAD>
7 <H1>Using SheepShaver</H1>
9 <H2>Changing the display mode</H2>
11 SheepShaver can display the MacOS user interface in an X11 window or full-screen
12 (much faster). You select the display mode as usual under MacOS in the "Monitors"
13 control panel (under System 7.x, click on "Options"). The "75Hz" modes are full-screen
14 modes, the "60Hz" modes are window modes (this doesn't mean that the video refresh
15 rate is 75 or 60Hz in the respective modes; the rate displayed has no meaning; it's
16 simply there to distinguish full screen modes from window modes).
18 <H2>Full-screen mode</H2>
20 The full-screen mode uses the whole X11 screen for displaying the MacOS user interface.
21 You can temporarily switch back to the X11 desktop by pressing Ctrl-Tab. The MacOS (and
22 all MacOS applications) will now be suspended. You can resume SheepShaver by activating
23 the "SheepShaver suspended" window and pressing the space key. Using full-screen mode
24 requires a DGA capable X server.
26 <H2>Networking</H2>
28 There are three approaches to networking with SheepShaver:
30 <OL>
31 <LI>Direct access to an Ethernet card via the "sheep_net" driver.
32 In this case, the "ethernet card description" must be the name
33 of a real Ethernet card, e.g. "eth0". It also requires the "sheep_net"
34 driver to be installed and accessible. This approach will allow you
35 to run all networking protocols under MacOS (TCP/IP, AppleTalk, IPX
36 etc.) but there is no connection between Linux networking and MacOS
37 networking. MacOS will only be able to talk to other machines on
38 the Ethernet, but not to other networks that your Linux box routes
39 (e.g. a second Ethernet or a PPP connection to the Internet).
41 <LI>Putting SheepShaver on a virtual Ethernet via the "ethertap" device.
42 In this case, the "ethernet card description" must be the name
43 of an ethertap interface, e.g. "tap0". It also requires that you
44 configure your kernel to enable routing and the ethertap device:
45 under "Networking options", enable "Kernel/User netlink socket" and
46 "Netlink device emulation", under "Network device support", activate
47 "Ethertap network tap". You also have to modify <CODE>devices/net/ethertap.c</CODE>
48 a bit before compiling the new kernel:
50 <UL>
51 <LI>insert <CODE>#define CONFIG_ETHERTAP_MC 1</CODE> near the top (after the <CODE>#include</CODE> lines)
52 <LI>comment out the line <CODE>dev->flags|=IFF_NOARP;</CODE> in <CODE>ethertap_probe()</CODE>
53 </UL>
55 <P>
56 Next, see <CODE>/usr/src/linux/Documentation/networking/ethertap.txt</CODE> for
57 information on how to set up <CODE>/dev/tap*</CODE> device nodes and activate the
58 ethertap interface. Under MacOS, select an IP address that is on the
59 virtual network and set the default gateway to the IP address of the
60 ethertap interface. This approach will let you access all networks
61 that your Linux box has access to (especially, if your Linux box has
62 a dial-up Internet connection and is configured for IP masquerading,
63 you can access the Internet from MacOS). The drawback is that you
64 can only use network protocols that Linux can route, so you have to
65 install and configure netatalk if you want to use AppleTalk. Here is
66 an example <CODE>/etc/atalk/atalkd.conf</CODE> for a LAN:
68 <PRE>
69 eth0 -seed -phase 2 -net 1 -addr 1.47 -zone "Ethernet"
70 tap0 -seed -phase 2 -net 2 -addr 2.47 -zone "Sheepnet"
71 </PRE>
73 (the "47" is an arbitrary node number). This will set up a zone
74 "Ethernet" (net 1) for the Ethernet and a zone "Sheepnet" (net 2)
75 for the internal network connection of the ethertap interface.
76 MacOS should automatically recognize the nets and zones upon startup.
77 If you are in an existing AppleTalk network, you should contact
78 your network administrator about the nets and zones you can use
79 (instead of the ones given in the example above).
81 <LI>Networking protocols for serial connections (PPP and SLIP, for example)
82 can be used provided that you have the appropriate MacOS system components
83 installed (e.g. Open Transport/PPP).
84 </OL>
86 <H2>Using floppy disks</H2>
88 Floppy disks are not automatically detected when they are inserted. They have to be
89 mounted explicitly: after inserting a floppy disk, press Ctrl-F1.
91 <H2>Accessing Linux files</H2>
93 SheepShaver will display a "Linux" disk icon on the Mac desktop that allows you
94 to access any Linux files which are in the directory specified as "Linux Root"
95 in the "Volumes" pane of the SheepShaver settings. You can open and save files on the
96 "Linux" disk from Mac applications, copy, move or rename files from the Finder etc.
97 SheepShaver translates some file name extensions to MacOS types and vice versa,
98 so e.g. *.jpg and *.pdf files will show the correct icons in the Finder. MacOS
99 resources and Finder attributes are stored in hidden <CODE>.rsrc</CODE> and
100 <CODE>.finf</CODE> directories.
102 <H2>Copying text via the clipboard</H2>
104 SheepShaver tries to keep the Linux and MacOS clipboards synchronized. That means,
105 when you copy a piece of text under Linux, you can paste it into a MacOS application
106 and vice versa.
108 <HR>
110 SheepShaver User's Guide
111 </ADDRESS>
112 </BODY>
113 </HTML>

Christian Bauer">Christian Bauer
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