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| For 2023 (and 2024 ...) - we are now fully retired from IT training. We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk. Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active! I am also active in many other area and still look after a lot of web sites - you can find an index ((here)) |
Archived /etc/hosts file
Network Configuration and Security example from a Well House Consultants training course
More on Network Configuration and Security [link]
More on Network Configuration and Security [link]
Source code: hosts Module: A163
195.152.7.132 seal_h
#
# If the NIS is running, this file is only consulted when booting
# Sun Host Database
#
127.0.0.1 localhost loghost
# Office Systems ...
192.168.200.50 fa ss5_office_72MB e:e:0.80:f1:0:50:59 SYS15
192.168.201.50 fa-gw
192.168.200.51 graham
192.168.200.199 elonex pc_486-33 e:0.0.c0.53.70.19 SYS22
# Training Systems ...
192.168.200.1 k9 harwell charles harrier
192.168.200.2 didcot sub2
192.168.200.3 carlisle
192.168.200.4 ash mansell arthur
192.168.200.5 hunt expo92
192.168.200.6 gatwick
192.168.200.7 cod ss1+_a_28MB e:8.46.cf # 1 x 207MB 1 x 424MB SYS11
192.168.200.8 perch ss4_32M e:7d.b0.78 # 1 x 1GB SYS9
192.168.200.9 stanstead
192.168.200.10 golfer-gw lambourn
192.168.200.11 herring ss2_32M e:b.1a.68 # 1 x 424MB SYS7
192.168.200.12 jaguar
192.168.200.13 tornado
192.168.200.14 elo325 elvis green # Elonex 386/25 pc SYS21
192.168.200.15 beech
192.168.200.16 bream elc_a e:3.5a.61 SYS20
192.168.200.17 salmon elc_b e:3:5f:a6 SYS19
192.168.200.18 huss ss1+_b_28MB e:9.5.9 # 1 x 207MB SYS14
192.168.200.19 hake elc_c_24MB e:3.a6.18 SYS18
192.168.200.20 lotus
192.168.200.21 hoki elc_d e:3.52.e SYS17
192.168.200.22 squid ss1+_c_28MB e:9.be.e2 # 1 x 207MB SYS12
192.168.200.23 sandwich
192.168.200.24 radcot
192.168.200.25 kelmscot
192.168.200.26 sole ss2_32M e:b.33.f8 # 1 x 424MB SYS13
192.168.200.27 whiting ss4_32M e:7e.f.68 # 1 x 1GB SYS10
# 192.168.200.28 pike ss1+_28MB e: #ex-fa SYS8
192.168.200.28 pike ss1+_28MB e: #ex-fa SYS8
192.168.200.28 shark
192.168.200.29 snapper
192.168.200.30 cessna
192.168.200.31 daylight
192.168.200.32 char
192.168.200.33 apple
192.168.200.34 banana
192.168.200.35 minnow elc_16MB e:3:53:ef SYS24 #office mc
192.168.200.36 halibut
192.168.200.37 tuna ss4_32MB e:74:ec:4 # 535MB SYS3
192.168.200.38 skate
192.168.200.39 whitebait
192.168.200.40 yamaha
192.168.200.41 sprat slc e:2:a2:fd SYS16
192.168.200.42 plaice #SS4 32MB 1GB e:7a:ef:69 SYS1
192.168.200.43 mackerel classic_b_24MB e:18.c2.93 # 1 x 424MB SYS6
192.168.200.44 bob blyth
192.168.200.45 thames
192.168.200.46 shrimp elc_16Mb e:3.56.43 SYS23
192.168.200.47 crab
# Prawn is set up as the Web Server. Also - note - host 248
192.168.200.48 prawn
192.168.200.49 vincent hplaserjet #Office laserjet 4Mplus
# Next two addresses reserved for Office Systems
# 192.168.200.50 fa loghost
# 192.168.200.51 graham
192.168.200.52 x350_1
192.168.200.53 fa_cl3
192.168.200.54 x350_2
192.168.200.55 fa_cl4
192.168.200.56 gaugin
192.168.200.57 leonardo
192.168.200.58 o_mussel
192.168.200.59 tandoori
192.168.200.60 gra350
192.168.200.61 sturgeon
192.168.200.62 haddock #SS4 32MB 1GB e:78:9b:28 SYS2
192.168.200.63 sardine #Classic 24MB e:5.29.86 SYS4
192.168.200.64 pilchard #Classic 16MB e:5.29.1e SYS5
192.168.200.65 oyster grouper
192.168.200.66 clam yellowtail
192.168.200.67 whelk tunny
192.168.200.68 cockle ahi
192.168.200.69 mussel mahimahi
192.168.200.70 jaguar
192.168.200.71 swordfish
192.168.200.72 eel
192.168.200.73 carp rhubarb
192.168.200.74 stickleback
192.168.200.75 trout
192.168.200.76 dogfish
192.168.200.77 catfish
192.168.200.78 dab
192.168.200.79 chubb
192.168.200.80 west
192.168.200.81 flounder
192.168.200.82 heathrow
192.168.200.83 luton
192.168.200.84 city
192.168.200.85 prestwick
192.168.200.86 orly
192.168.200.87 wombat topcat
192.168.200.88 cocker
192.168.200.89 tetra
192.168.200.90 barb
192.168.200.91 loach
192.168.200.92 ahi
192.168.200.93 guppy
192.168.200.94 swordtail
192.168.200.95 stickleback
192.168.200.96 gourami
192.168.200.97 rock
192.168.200.98 sierra
192.168.200.99 micks elliot
192.168.200.100 carlton newark
192.168.200.101 cavalier tango
192.168.200.102 astra pepsi
192.168.200.103 dolphin coke
192.168.200.104 whale fanta
192.168.200.105 seaweed yyyfirstalt.co.uk
192.168.200.106 o_whelk
192.168.200.107 barnacle
192.168.200.108 limpit
192.168.200.109 donkey
192.168.200.110 horse
192.168.200.111 abbey sheep
192.168.200.112 goat
192.168.200.113 hen
192.168.200.114 lamb
192.168.200.115 manatee cow
192.168.200.116 bo-peep
192.168.200.117 baa
192.168.200.118 wool
192.168.200.119 mutton
192.168.200.120 scholar
192.168.200.121 radley
192.168.200.122 eton
192.168.200.123 marty
192.168.200.124 seal main.wellho training.fa timehost mailhost
192.168.200.125 walrus www.firstalt.co.uk
192.168.200.126 pauline
192.168.200.127 sealion www.wellho.com www.gregpullen.co.uk
192.168.200.128 aviemore courses
192.168.200.129 glenshee
192.168.200.130 lecht www.wellho.co.uk cgi.www.wellho.co.uk
# 192.168.200.130 lecht
192.168.200.131 x350
192.168.200.132 steamboat
192.168.200.133 vail
192.168.200.134 penguin mammoth
192.168.200.135 kittiwake lillehammer
192.168.200.136 mile
192.168.200.137 tern inch
192.168.200.138 foot
192.168.200.139 yard
192.168.200.140 metre
192.168.200.141 furlong
192.168.200.142 kilometre
192.168.200.143 beer
192.168.200.144 cider
192.168.200.145 stout
192.168.200.146 cocoa eddie
192.168.200.147 flipper aaplocal
192.168.200.148 brandy
192.168.200.149 tequila
192.168.200.150 elderberry bruno
192.168.200.151 earl
192.168.200.152 count
192.168.200.153 duke
192.168.200.154 knight
192.168.200.155 vicount
192.168.200.156 otter king
192.168.200.157 peer
192.168.200.158 barbel
192.168.200.159 dandelion
192.168.200.160 mars
192.168.200.161 cowslip
192.168.200.162 buttercup
192.168.200.163 tansy
192.168.200.164 tormentil
192.168.200.165 thyme
192.168.200.166 parsley
192.168.200.167 nutmeg
192.168.200.168 cuttlefish
192.168.200.169 char
192.168.200.170 lager
192.168.200.171 lord
192.168.200.172 sage
192.168.200.173 terrier
192.168.200.174 boxer
192.168.200.175 hound
192.168.200.176 stag collie
192.168.200.177 labrador
192.168.200.178 rover setter
192.168.200.187 loganberry
192.168.200.188 spaniel
192.168.200.189 mongrel
192.168.200.190 blackberry
192.168.200.191 bacon
192.168.200.192 eggs xterm Xterminal e:0.0.a7.0.4d.df
192.168.200.193 tea
192.168.200.194 toast
192.168.200.195 cornflake
192.168.200.196 milk
192.168.200.197 marmalade
192.168.200.198 coffee
# Next address reserved for Office System
# 192.168.200.199 elonex
192.168.200.200 allbran denver
192.168.200.201 butter
192.168.200.202 zeus
192.168.200.203 saturn peas
192.168.200.204 venus
192.168.200.205 earth
192.168.200.206 jupiter
192.168.200.207 neptune
192.168.200.208 pluto
192.168.200.209 mercury
192.168.200.210 coypu margarine
192.168.200.211 fox
192.168.200.212 badger
192.168.200.213 mouse
192.168.200.214 stoat
192.168.200.215 squirrel
192.168.200.216 vole
192.168.200.217 bat
192.168.200.218 rat
192.168.200.219 wellho
# 192.168.200.219 wellho wellnet main.wellho news training.fa
# 192.168.200.219 wellho wellnet main.wellho news training.fa wellho.demon.co.uk wellho.com
192.168.200.220 granada
192.168.200.221 fulham
192.168.200.222 cheetah research gravity
192.168.200.225 magnet
192.168.200.230 panther
192.168.200.231 lion ullapool
192.168.200.234 tiger dave
# 192.168.200.248 www.firstalt.co.uk
# 192.168.200.249 www.wellho.com
192.168.200.253 indy
192.168.200.223 fir-gw
192.9.204.8 fir
# 158.152.254.242 news.demon.co.uk
158.152.1.222 gate.demon.co.uk
158.152.1.58 ns1-cache.demon.co.uk
158.152.1.43 ns2-cache.demon.co.uk
148.53.10.26 karen2
148.53.7.16 helpsun1
148.53.63.73 link
#
# If the NIS is running, this file is only consulted when booting
# Sun Host Database
#
127.0.0.1 localhost loghost
# Office Systems ...
192.168.200.50 fa ss5_office_72MB e:e:0.80:f1:0:50:59 SYS15
192.168.201.50 fa-gw
192.168.200.51 graham
192.168.200.199 elonex pc_486-33 e:0.0.c0.53.70.19 SYS22
# Training Systems ...
192.168.200.1 k9 harwell charles harrier
192.168.200.2 didcot sub2
192.168.200.3 carlisle
192.168.200.4 ash mansell arthur
192.168.200.5 hunt expo92
192.168.200.6 gatwick
192.168.200.7 cod ss1+_a_28MB e:8.46.cf # 1 x 207MB 1 x 424MB SYS11
192.168.200.8 perch ss4_32M e:7d.b0.78 # 1 x 1GB SYS9
192.168.200.9 stanstead
192.168.200.10 golfer-gw lambourn
192.168.200.11 herring ss2_32M e:b.1a.68 # 1 x 424MB SYS7
192.168.200.12 jaguar
192.168.200.13 tornado
192.168.200.14 elo325 elvis green # Elonex 386/25 pc SYS21
192.168.200.15 beech
192.168.200.16 bream elc_a e:3.5a.61 SYS20
192.168.200.17 salmon elc_b e:3:5f:a6 SYS19
192.168.200.18 huss ss1+_b_28MB e:9.5.9 # 1 x 207MB SYS14
192.168.200.19 hake elc_c_24MB e:3.a6.18 SYS18
192.168.200.20 lotus
192.168.200.21 hoki elc_d e:3.52.e SYS17
192.168.200.22 squid ss1+_c_28MB e:9.be.e2 # 1 x 207MB SYS12
192.168.200.23 sandwich
192.168.200.24 radcot
192.168.200.25 kelmscot
192.168.200.26 sole ss2_32M e:b.33.f8 # 1 x 424MB SYS13
192.168.200.27 whiting ss4_32M e:7e.f.68 # 1 x 1GB SYS10
# 192.168.200.28 pike ss1+_28MB e: #ex-fa SYS8
192.168.200.28 pike ss1+_28MB e: #ex-fa SYS8
192.168.200.28 shark
192.168.200.29 snapper
192.168.200.30 cessna
192.168.200.31 daylight
192.168.200.32 char
192.168.200.33 apple
192.168.200.34 banana
192.168.200.35 minnow elc_16MB e:3:53:ef SYS24 #office mc
192.168.200.36 halibut
192.168.200.37 tuna ss4_32MB e:74:ec:4 # 535MB SYS3
192.168.200.38 skate
192.168.200.39 whitebait
192.168.200.40 yamaha
192.168.200.41 sprat slc e:2:a2:fd SYS16
192.168.200.42 plaice #SS4 32MB 1GB e:7a:ef:69 SYS1
192.168.200.43 mackerel classic_b_24MB e:18.c2.93 # 1 x 424MB SYS6
192.168.200.44 bob blyth
192.168.200.45 thames
192.168.200.46 shrimp elc_16Mb e:3.56.43 SYS23
192.168.200.47 crab
# Prawn is set up as the Web Server. Also - note - host 248
192.168.200.48 prawn
192.168.200.49 vincent hplaserjet #Office laserjet 4Mplus
# Next two addresses reserved for Office Systems
# 192.168.200.50 fa loghost
# 192.168.200.51 graham
192.168.200.52 x350_1
192.168.200.53 fa_cl3
192.168.200.54 x350_2
192.168.200.55 fa_cl4
192.168.200.56 gaugin
192.168.200.57 leonardo
192.168.200.58 o_mussel
192.168.200.59 tandoori
192.168.200.60 gra350
192.168.200.61 sturgeon
192.168.200.62 haddock #SS4 32MB 1GB e:78:9b:28 SYS2
192.168.200.63 sardine #Classic 24MB e:5.29.86 SYS4
192.168.200.64 pilchard #Classic 16MB e:5.29.1e SYS5
192.168.200.65 oyster grouper
192.168.200.66 clam yellowtail
192.168.200.67 whelk tunny
192.168.200.68 cockle ahi
192.168.200.69 mussel mahimahi
192.168.200.70 jaguar
192.168.200.71 swordfish
192.168.200.72 eel
192.168.200.73 carp rhubarb
192.168.200.74 stickleback
192.168.200.75 trout
192.168.200.76 dogfish
192.168.200.77 catfish
192.168.200.78 dab
192.168.200.79 chubb
192.168.200.80 west
192.168.200.81 flounder
192.168.200.82 heathrow
192.168.200.83 luton
192.168.200.84 city
192.168.200.85 prestwick
192.168.200.86 orly
192.168.200.87 wombat topcat
192.168.200.88 cocker
192.168.200.89 tetra
192.168.200.90 barb
192.168.200.91 loach
192.168.200.92 ahi
192.168.200.93 guppy
192.168.200.94 swordtail
192.168.200.95 stickleback
192.168.200.96 gourami
192.168.200.97 rock
192.168.200.98 sierra
192.168.200.99 micks elliot
192.168.200.100 carlton newark
192.168.200.101 cavalier tango
192.168.200.102 astra pepsi
192.168.200.103 dolphin coke
192.168.200.104 whale fanta
192.168.200.105 seaweed yyyfirstalt.co.uk
192.168.200.106 o_whelk
192.168.200.107 barnacle
192.168.200.108 limpit
192.168.200.109 donkey
192.168.200.110 horse
192.168.200.111 abbey sheep
192.168.200.112 goat
192.168.200.113 hen
192.168.200.114 lamb
192.168.200.115 manatee cow
192.168.200.116 bo-peep
192.168.200.117 baa
192.168.200.118 wool
192.168.200.119 mutton
192.168.200.120 scholar
192.168.200.121 radley
192.168.200.122 eton
192.168.200.123 marty
192.168.200.124 seal main.wellho training.fa timehost mailhost
192.168.200.125 walrus www.firstalt.co.uk
192.168.200.126 pauline
192.168.200.127 sealion www.wellho.com www.gregpullen.co.uk
192.168.200.128 aviemore courses
192.168.200.129 glenshee
192.168.200.130 lecht www.wellho.co.uk cgi.www.wellho.co.uk
# 192.168.200.130 lecht
192.168.200.131 x350
192.168.200.132 steamboat
192.168.200.133 vail
192.168.200.134 penguin mammoth
192.168.200.135 kittiwake lillehammer
192.168.200.136 mile
192.168.200.137 tern inch
192.168.200.138 foot
192.168.200.139 yard
192.168.200.140 metre
192.168.200.141 furlong
192.168.200.142 kilometre
192.168.200.143 beer
192.168.200.144 cider
192.168.200.145 stout
192.168.200.146 cocoa eddie
192.168.200.147 flipper aaplocal
192.168.200.148 brandy
192.168.200.149 tequila
192.168.200.150 elderberry bruno
192.168.200.151 earl
192.168.200.152 count
192.168.200.153 duke
192.168.200.154 knight
192.168.200.155 vicount
192.168.200.156 otter king
192.168.200.157 peer
192.168.200.158 barbel
192.168.200.159 dandelion
192.168.200.160 mars
192.168.200.161 cowslip
192.168.200.162 buttercup
192.168.200.163 tansy
192.168.200.164 tormentil
192.168.200.165 thyme
192.168.200.166 parsley
192.168.200.167 nutmeg
192.168.200.168 cuttlefish
192.168.200.169 char
192.168.200.170 lager
192.168.200.171 lord
192.168.200.172 sage
192.168.200.173 terrier
192.168.200.174 boxer
192.168.200.175 hound
192.168.200.176 stag collie
192.168.200.177 labrador
192.168.200.178 rover setter
192.168.200.187 loganberry
192.168.200.188 spaniel
192.168.200.189 mongrel
192.168.200.190 blackberry
192.168.200.191 bacon
192.168.200.192 eggs xterm Xterminal e:0.0.a7.0.4d.df
192.168.200.193 tea
192.168.200.194 toast
192.168.200.195 cornflake
192.168.200.196 milk
192.168.200.197 marmalade
192.168.200.198 coffee
# Next address reserved for Office System
# 192.168.200.199 elonex
192.168.200.200 allbran denver
192.168.200.201 butter
192.168.200.202 zeus
192.168.200.203 saturn peas
192.168.200.204 venus
192.168.200.205 earth
192.168.200.206 jupiter
192.168.200.207 neptune
192.168.200.208 pluto
192.168.200.209 mercury
192.168.200.210 coypu margarine
192.168.200.211 fox
192.168.200.212 badger
192.168.200.213 mouse
192.168.200.214 stoat
192.168.200.215 squirrel
192.168.200.216 vole
192.168.200.217 bat
192.168.200.218 rat
192.168.200.219 wellho
# 192.168.200.219 wellho wellnet main.wellho news training.fa
# 192.168.200.219 wellho wellnet main.wellho news training.fa wellho.demon.co.uk wellho.com
192.168.200.220 granada
192.168.200.221 fulham
192.168.200.222 cheetah research gravity
192.168.200.225 magnet
192.168.200.230 panther
192.168.200.231 lion ullapool
192.168.200.234 tiger dave
# 192.168.200.248 www.firstalt.co.uk
# 192.168.200.249 www.wellho.com
192.168.200.253 indy
192.168.200.223 fir-gw
192.9.204.8 fir
# 158.152.254.242 news.demon.co.uk
158.152.1.222 gate.demon.co.uk
158.152.1.58 ns1-cache.demon.co.uk
158.152.1.43 ns2-cache.demon.co.uk
148.53.10.26 karen2
148.53.7.16 helpsun1
148.53.63.73 link
Learn about this subject
This module and example are covered on the following public courses:
* Deploying LAMP - Linux, Apache, MySQL, Perl/PHP
* Linux Administration
* Deploying Java Applications on Linux / Unix
* Linux bootcamp
Also available on on site courses for larger groups
* Deploying LAMP - Linux, Apache, MySQL, Perl/PHP
* Linux Administration
* Deploying Java Applications on Linux / Unix
* Linux bootcamp
Also available on on site courses for larger groups
Books covering this topic
Yes. We have over 700 books in our library. Books
covering Lamp deployment are listed here and when you've selected a
relevant book we'll link you on to Amazon to order.
Other Examples
This example comes from our "Network Configuration and Security" training module. You'll find a description of the topic and some
other closely related examples on the "Network Configuration and Security" module index page.
Full description of the source code
You can learn more about this example on the training courses listed on this page,
on which you'll be given a full set of training notes.
Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License.
Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License.
Other resources
• Our Solutions centre provides a number of longer technical articles.
• Our Opentalk forum archive provides a question and answer centre.
• The Horse's mouth provides a daily tip or thought.
• Further resources are available via the resources centre.
• All of these resources can be searched through through our search engine
• And there's a global index here.
• Our Opentalk forum archive provides a question and answer centre.
• The Horse's mouth provides a daily tip or thought.
• Further resources are available via the resources centre.
• All of these resources can be searched through through our search engine
• And there's a global index here.
Web site author
Purpose of this website
This is a sample program, class demonstration or answer from a
training course. It's main purpose
is to provide an after-course service to customers who have attended our
public private or
on site courses, but the examples are made
generally available under conditions described below.
Conditions of use
Past attendees on our training courses are welcome to use individual
examples in the course of their programming, but must check
the examples they use to ensure that they are suitable for their
job. Remember that some of our examples show you how not to do
things - check in your notes. Well House Consultants take no responsibility
for the suitability of these example programs to customer's needs.
This program is copyright Well House Consultants Ltd. You are forbidden from using it for running your own training courses without our prior written permission. See our page on courseware provision for more details.
Any of our images within this code may NOT be reused on a public URL without our prior permission. For Bona Fide personal use, we will often grant you permission provided that you provide a link back. Commercial use on a website will incur a license fee for each image used - details on request.
This program is copyright Well House Consultants Ltd. You are forbidden from using it for running your own training courses without our prior written permission. See our page on courseware provision for more details.
Any of our images within this code may NOT be reused on a public URL without our prior permission. For Bona Fide personal use, we will often grant you permission provided that you provide a link back. Commercial use on a website will incur a license fee for each image used - details on request.
PH: 01144 1225 708225 • EMAIL: info@wellho.net • WEB: http://www.wellho.net • SKYPE: wellho
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