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176 The Virtualization Cookbook for Red Hat Enterprise Linux 5.2
12.4 Creating a virtual application development server
Most Linux distributions come with a basic set of application development tools, making Linux
one of the most versatile development systems. These basic tools are ideal for projects of any
size.
The development languages used in implementation range from scripting languages such as
Python or Tcl, to compiled languages such as C/C++ and Java™. There is software available
on Linux to help form a development system for developers to create integrated applications,
and MySQL™ and Apache are among them. A popular open source Web platform is LAMP,
which stands for the open source software and programming languages used to make up the
platform: Linux, Apache, MySQL, Python or PHP.
From the controller clone a virtual server to the user ID LINUX04.
# clone rhel52 linux04 100-101
...
SSH in to the new virtual server.
Note that before installing the development tools, the root file system is about half full:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/dasda1 2.3G 1.1G 1.1G 49% /
tmpfs 124M 0 124M 0% /dev/shm
You can use the yum -y groupinstall command to install the groups named
development-tools and development-libs. This will add about 181 packages, which
requires a number of minutes to complete:
# yum -y groupinstall development-tools development-libs
...
Transaction Summary
=============================================================================
Install 181 Package(s)
Update 0 Package(s)
Remove 0 Package(s)
...
Complete!
Your application development server is now ready to use. You may choose to add or
remove different packages. Use df -h command to show that your system should still
have about 30% free space:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/dasda1 2.3G 1.5G 635M 71% /
tmpfs 124M 0 124M 0% /dev/shm
12.4.1 Additional resources
The following Web sites are resources for additional information about application
development topics:
Scripting languages
http://www.perl.com/
http://www.python.org/
http://www.php.net/
http://www.tcl.tk/
http://www.freeos.com/guides/lsst/
- The Virtualization Cookbook 1
- Linux 5.2 3
- October 2008 3
- First Edition (October 2008) 4
- Contents 5
- Contents v 7
- Contents vii 9
- Trademarks 12
- The team that wrote this book 13
- Chapters and appendixes 15
- Conventions 17
- Comments welcome 17
- 1.1 What is virtualization 20
- 1.2 This book’s approach 21
- 1.4 Infrastructure design 22
- Planning 25
- 2.1 Bill of materials 26
- 2.2 z/VM conventions 27
- 2.3 Disk planning 28
- DASD versus SCSI/FCP 29
- 3390-3s versus 3390-9s 29
- Disk storage per Linux image 29
- 2.4 Memory planning 30
- 2.5 Password planning 30
- 2.6 Planning worksheets 31
- 2.7 Blank worksheets 34
- 2.7.2 z/VM DASD worksheet 35
- Configuring a desktop machine 37
- Figure 3-2 Setting logging 39
- Saving sessions 41
- 3.2 Setting up a VNC client 42
- 3.3 3270 emulators 43
- 4.1 Installing z/VM from DVD 46
- ==> instplan 50
- Running INSTDVD 52
- Figure 4-8 Load window 53
- ==> cold drain noautolog 54
- ==> no 54
- ==> disc 54
- 4.2 Configuring TCP/IP 56
- not specified 62
- 4.6 Adding paging volumes 65
- Using the CPFORMAT EXEC 67
- 4.6.4 Testing the changes 71
- 4.8.2 Testing the changes 78
- 4.9.1 VM security products 79
- ==> sampnss cms 86
- Servicing z/VM 89
- 5.1 Applying a PTF 90
- 6.4 Enabling the NFS server 106
- 7.2.3 Configuring VDISK swap 128
- 7.2.4 Configuring yum 128
- 7.2.5 Adding additional RPMs 129
- 7.2.10 Configuring SSH keys 134
- 4 6763) is running 135
- 8.2.4 Adding additional RPMs 145
- 8.2.8 Configuring SSH keys 145
- 8.2.9 Rebooting the system 146
- 8.2.10 Verifying the changes 146
- Detach the source disks 151
- Detach the target disks 154
- IPL the target system 154
- 9.3.2 Using the clone script 157
- FLASHCOPY 159
- Installation Server 159
- Master Image 159
- 9.5 Reviewing system status 163
- LNXMAINT 164
- Delete these 167
- Servicing Linux with Red Hat 171
- 12.1.2 Testing Apache 179
- 12.1.3 Turning on a firewall 179
- 12.1.6 Apache resources 182
- Start the LDAP service 184
- Deleting duplicate users 186
- Set a password 189
- 12.3.4 Adding a Samba user 191
- 12.3.6 Testing your changes 192
- 12.3.7 Configuring printing 193
- 12.4.1 Additional resources 194
- Linux kernel development 195
- Web development 195
- Miscellaneous recipes 197
- 13.1 Adding a logical volume 198
- Volume Group - optvg 200
- Creating a physical volume 204
- Extending the volume group 204
- /var/lib/ldap 205
- Configuring LDAP 206
- Configuring automount 207
- 13.4 Rescuing a Linux system 208
- Monitoring z/VM and Linux 211
- INIDICATE LOAD 212
- INDICATE QUEUES EXP 213
- Getting help 214
- Determining who is logged on 214
- Determining storage or memory 215
- Determining software level 215
- 14.2.3 Configuring PERFSVM 218
- Using a Web browser interface 220
- Using a 3270 interface 222
- 14.3 Monitoring Linux 223
- PURGE NSS NAME MONDCSS 228
- CP SAVESEG MONDCSS 228
- References 229
- Quick reference sheets 230
- Prefix commands 231
- :help give help 232
- Appendix B. z/VM source code 233
- The CPFORMAT EXEC 234
- The CHPW540 XEDIT macro 238
- The LABEL540 EXEC 241
- The LABEL540 XEDIT macro 243
- Linux source code 245
- Related publications 257
- Online resources 258
- How to get Redbooks 258
- Help from IBM 258
- Hat Enterprise Linux 5.2 265
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