Linux Space Station Raven : 03-Internet-Working

(C) Graham Swallow
gps@trix.dircon.co.uk

1. Issue-3 Internet Working
2. Modem
3. fax
4. TCP/IP system files
5. /etc/services and other files
6. ifconfig route lo eth0 ppp0 sl0
7. dial_ppp
8. SLIP and tdc.dip
9. Internet
10. Debian Configs
11. RedHat Configs
12. Kernel devices
13. networking with/out passwords
14. Networking X11
15. TCP/IP apps
16. Sendmail
17. Sendmail - more to play with
18. Configurations on the end host
19. knews
20. Netscape
21. xrn
22. apache www server
23. Other stuff
24. Raven OverView

1. Issue-3 Internet Working

• 1.1 Drop-in and change the values - example configuration
• 1.2 modem + ethernet card
• 1.3 SLIP or PPP
• 1.4 dial_ppp
• 1.5 Apps
• 1.6 sendmail
• 1.7 UPDATE!

2. Modem

• 2.1 A Normal Modem
• 2.2 COM IO port conflict
• 2.3 Modem on wrong IRQ
• 2.4 irq conflict
• 2.5 HINT: COM-3 IRQ-5
• 2.6 /dev/modem -> /dev/cua2
• 2.7 Permission Denied
• 2.8 Modem not spd_vhi
• 2.9 Modem at correct BAUD rate
• 2.10 CONNECT 115200 -or- CONNECT 28800
• 2.11 Modem prefers rtscts
• 2.12 Sharing the modem with a getty
• 2.13 Other possible problems
• 2.14 Modem Tests
• 2.15 Query UART during session
• 2.16 Test with minicom
• 2.17 Dead modem card
• 2.18 Modem card not jumpered to defaults
• 2.19 Screen Capture with minicom
• 2.20 Reset Defaults with minicom
• 2.21 Check from boot
• 2.22 Now what ?

3. fax

• 3.1 efax-07a
• 3.2 /dev/something
• 3.3 edit /usr/bin/fax
• 3.4 Test the fax
• 3.5 Setup for incoming
• 3.6 fax view
• 3.7 URGENT! 50 page postscript document to send NOW!
• 3.8 hi-res lo-res

4. TCP/IP system files

• 4.1 /etc/HOSTNAME
• 4.2 /etc/hosts
• 4.3 /etc/host.conf
• 4.4 /etc/resolv.conf
• 4.5 The confusing parts

5. /etc/services and other files

• 5.1 /etc/services - PORTS
• 5.2 /etc/inetd - DAEMONS
• 5.3 Others - PERMISSION

6. ifconfig route lo eth0 ppp0 sl0

• 6.1 interface names
• 6.2 ethernet card devices
• 6.3 different ethernet card devices
• 6.4 ppp0, sl0 and /dev/modem
• 6.5 ifconfig and route
• 6.6 the loopback device
• 6.7 the ethernet device
• 6.8 the SECOND ethernet device
• 6.9 /etc/rc.d/rc.inet1
• 6.10 default route
• 6.11 scripts for the PPP device (or DIP)
• 6.12 What didn't happen ...
• 6.13 ifconfig
• 6.14 route

7. dial_ppp

• 7.1 /etc/group
• 7.2 /etc/ppp/dial_ppp.c
• 7.3 chgrp dial_ppp /etc/ppp/dial_ppp
• 7.4 chown root /etc/ppp/dial_ppp
• 7.5 chmod 6750 /etc/ppp/dial_ppp
• 7.6 /etc/ppp/dial_ppp.sh
• 7.7 /etc/ppp/chat_tdc
• 7.8 /etc/ppp/ip-up
• 7.9 /etc/ppp/options
• 7.10 persist
• 7.11 Anything else ?
• 7.12 ANNOUCE: dial_ppp.tgz
• 7.13 Now What?

8. SLIP and tdc.dip

• 8.1 /usr/local/lib/tdc.dip
• 8.2 tdc.dip
• 8.3 /usr/local/bin/dip_in
• 8.4 /usr/local/bin/dip_out
• 8.5 Now test it!

9. Internet

• 9.1 Documentation
• 9.2 ISP Account Information
• 9.3 ISP Toolkit
• 9.4 Overview

10. Debian Configs

• 10.1 /etc/hostname

11. RedHat Configs

• 11.1 /etc/HOSTNAME
• 11.2 /etc/sysconfig/network
• 11.3 /etc/sysconfig/network-scripts/ifcfg-eth0

12. Kernel devices

• 12.1 compiling the kernel and modules
• 12.2 /sbin/kerneld
• 12.3 /etc/conf.modules

13. networking with/out passwords

• 13.1 /home/gps/.rhosts # or any users HOME
• 13.2 rlogin pigeon [-l gps
• 13.3 rsh pigeon -l gps mount /cdrom
• 13.4 rcp gps@pigeon:/cdrom/X11/xapps/graphics/xearth-0.92.tar.gz /tmp/pkgs_cd
• 13.5 slighty safer rcp rsh
• 13.6 slighty less stable than normal
• 13.7 security areas
• 13.8 tar -zxf gps@pigeon:/cdrom/X11/xapps/graphics/xearth-0.92.tar.gz

14. Networking X11

• 14.1 The X11 terminal is the server
• 14.2 xhost pigeon
• 14.3 TODO - xauth
• 14.4 export DISPLAY=trix:0.0 ; xterm &

15. TCP/IP apps

• 15.1 telnet
• 15.2 ftp src.doc.ic.ac.uk
• 15.3 mc ftp://src.doc.ic.ac.uk/packages/linux/sunsite.unc-mirror
• 15.4 netscape ftp://src.doc.ic.ac.uk/packages/linux/sunsite.unc-mirror
• 15.5 98% of 3344 K (Stalled)
• 15.6 restart 3287040
• 15.7 sendmail
• 15.8 NFS
• 15.9 ident
• 15.10 http

16. Sendmail

• 16.1 /etc/sendmail.cf - the monster
• 16.2 /etc/sendmail.mc - edit this
• 16.3 Installing /etc/sendmail.mc --> /etc/sendmail.cf
• 16.4 What is Sendmail?
• 16.5 Sample SMTP session - how it works
• 16.6 Sendmail - requires ...
• 16.7 Slackware - /etc/sendmail.cf
• 16.8 testing a new /etc/sendmail.cf
• 16.9 Sendmail Documentation

17. Sendmail - more to play with

• 17.1 no_blank_lines - (chmod 755 /usr/local/bin/no_blank_lines)
• 17.2 no_comments - a shell script
• 17.3 no_trail_sp - a shell script
• 17.4 full_path_name - a shell script to get a full path name
• 17.5 HINT: Creating documents with CUT and PASTE
• 17.6 send_11 - a quick test utility
• 17.7 mc_to_cf - a shell script to install an mc file
• 17.8 sendmail.mc - with comments looks like:
• 17.9 /usr/src/sendmail/cf
• 17.10 ls -l /var/spool/mail/postmaster
• 17.11 Sendmail site configurations
• 17.12 Smart Host = LAN gateway
• 17.13 Smart Host = WAN gateway (ISP)
• 17.14 ISP smarthost is faster
• 17.15 ISP smarthost is slower
• 17.16 One Hop is faster
• 17.17 Direct is more private

18. Configurations on the end host

• 18.1 Typical Sendmail
• 18.2 More on configuration options
• 18.3 /etc/aliases
• 18.4 Other configuration parameters
• 18.5 pulling mail off your server
• 18.6 <smarthost.domain:user@yourhost.domain>
• 18.7 smail not sendmail

19. knews

• 19.1 Other news
• 19.2 knews thread tree
• 19.3 Installing
• 19.4 Running
• 19.5 Save message
• 19.6 Post / Follow up and reply
• 19.7 Post+Mail dialog box
• 19.8 Configuring
• 19.9 organization
• 19.10 $HOME/.knews/config-news.dircon.co.uk
• 19.11 xrdb $HOME/.xrc.knews
• 19.12 Where is news?

20. Netscape

• 20.1 What_is Netscape
• 20.2 Download
• 20.3 mkdir /usr/local/lib/netscape
• 20.4 lib fixes
• 20.5 Configure
• 20.6 Tetris
• 20.7 Tcl-Security
• 20.8 Diagrams

21. xrn

• 21.1 comp.os.linux.announce
• 21.2 xrn
• 21.3 SLANG
• 21.4 slrn
• 21.5 Make:gcc:ld: SIGNAL 11

22. apache www server

• 22.1 www.apache.org
• 22.2 /usr/local/etc/httpd
• 22.3 httpd/htdocs -> /home/ftp
• 22.4 /etc/httpd
• 22.5 No configuration changes NECESSARY.
• 22.6 Installation - Configuration
• 22.7 /usr/local/etc/httpd -> /usr/local/apache-1.0.2/.
• 22.8 /home/ftp is root directory
• 22.9 /home/gps/public_html
• 22.10 Beware: httpd has more access then ftpd
• 22.11 apache/conf/.
• 22.12 /etc/aliases
• 22.13 /usr/local/etc/httpd/conf/mime.types
• 22.14 /etc/rc.d/rc.local
• 22.15 Completely redesigned layout

23. Other stuff

• 23.1 Samba
• 23.2 Novell
• 23.3 AppleTalk
• 23.4 skim-0.4++ newsreader
• 23.5 slrn newsreader
• 23.6 dial_ppp
• 23.7 /etc/ppp/chat_isp

24. Raven OverView

• 24.1 Raven
• 24.2 Raven/EyeView £25
• 24.3 Linux As An Internet Server
• 24.4 An Internet Workstation
• 24.5 Windows-95 aside
• 24.6 Action List
• 24.7 Issue-0-Base-Station-Zero
• 24.8 Issue-1-Hardware - The Tower
• 24.9 Issue-2-SysBuild - Linux OS
• 24.10 Issue-3-Internet-Working
• 24.11 Issue-4-Users-view: Now what's this?
• 24.12 Issue-5-Planning
• 24.13 Download
• 24.14 Other places - Linux FAQ's and HOWTO's
• 24.15 Browser access