The /campus file system can be found on all corporate servers in BII. It is a file system shared among all 8 application servers, whatever files in here can be accessed by all equally. Thus, the app servers only differ in the applications they run. They otherwise have access to the same set of files. The physical storage for the /campus file system is provided by a central file server. Only corporate servers are allowed to mount the /campus file system.
Since all app servers mount /campus, user files can be accessed from any app server. In addition to user files, applications installed in /campus are equally accessible by all 8 servers. Thus services like DNS, mail, proxy, etc, can be started up by any of the 8 servers. If one server breaks down, the surviving servers simply run the apps which were previously running on the broken server. Services run on the various app servers may be moved around for load balancing. In addition, several instances of a particular service may be started up on multiple app servers so as to provide redundancy or load balancing via multiple DNS entries.
Local storage on each of the app servers is limited to base OS only. Add on software, scripts and tools are obtained from /campus. With this architecture, an app server can be rapidly deployed/reinstalled and brought into production status without much configuration or preparation.
There are currently 3 main subdirectories in the campus file system. They are :
| /campus/apps | This is where software applications for BII corporate services are installed. In addition to corporate software, commonly used user tools and applications are installed here as well. In order to support various versions of unix, software in here is installed in platform specific directories. Currently, Linux (x86) and Solaris (sparc) packages are installed in :
/campus/apps/sun4u |
| /campus/home | This is where all user home directories are located. Users should be careful with the permissions to their home directories. Your home directory is /campus/home/username. On any app server, it is the same as /home/username. All staff and masters student home directories are here. By default, files placed in users home directories are readable by other users. |
| /campus/sys | Files and directories in here are used primarily for service configuration, startup and shutdown. Users may refer to files here if they wish to check out how services on corporate servers are configured. |
The following software packages have been installed at /campus/apps/sun4u/packages. Some are BII corporate services, others may be of interest to various users. If there is a piece of software you find useful and want the BII community to enjoy, please feel free to suggest to the IT systems team.
As of 1st March 2004
| Software | Description |
| LPRng-3.8.21 | Network printing |
| antidefacer-0.2 | Package to track webpage changes |
| atail-0.1 | A tail which follows logfiles even when they rotate |
| atk-1.2.4 | Accessibility Toolkit |
| bind-9.2.2 | DNS server and client tools |
| bison-1.875 | A parser generator |
| checkpassword-pam-0.95 | A password checker which uses the system PAM libraries |
| coreutils-5.0 | Various unix utilities built from source (eg, ls, cp, md, etc). |
| courier-imap-1.7.3 | IMAP server |
| cyrus-sasl-2.1.15 | The SASL encryption library |
| db-4.1.25 | A database API |
| ethereal-0.8.14 | Used for capturing packets on the network |
| expect-5.39 | A tool for automating interaction with other commandline tools |
| festival-1.4.3 | A text to speech generator |
| fetchmail-6.2.3 | Tool for automated mail fetching from IMAP or POP sources |
| flex-2.5.4 | A lexical analyser |
| gcc-2.95.3 | C, C++, fortran compiler |
| gcc-3.2.2 | C, C++, fortran compiler |
| gdb-5.0 | The GNU debugger |
| gdbm-1.8.3 | A database API |
| gettext-0.12.1 | Framework for producing multi-lingual messages |
| ghostscript-7.05 | PostScript and PDF language interpreter and previewer |
| gimp-1.2.5 | A graphics manipulation tool |
| glib-1.2.10 | An API for useful C routines (eg trees, hashes, etc) |
| glib-2.2.2 | An API for useful C routines (eg trees, hashes, etc) |
| gnuplot-3.7.3 | An interactive 2D/3D plotting program |
| gq-0.7.0beta2 | A graphical LDAP browser |
| gtk+-1.2.10 | A graphics toolkit |
| gtk+-2.2.2 | A graphics toolkit |
| http-parse-0.1 | Commandline tool for parsing CGI parameters. |
| httpd-2.0.45 | The Apache webserver |
| httpd-2.0.48 | The Apache webserver |
| j2sdk1.4.1_03 | Java Deverloper's Kit |
| jpeg-6b | JPEG libraies |
| libart_lgpl-2.3.3 | An API for 2D graphics |
| libnet-1.1.0 | API for packet injection |
| libpcap-0.7.2 | API for packet capture |
| libpng-1.2.5 | API for PNG graphics manipulation |
| lsof_4.68 | Tool to show open files, sockets, etc |
| lynx2-8-4 | A text based web browser |
| m4-1.4 | A macro processor |
| make-3.79.1 | GNU make utility |
| mozilla-1.4 | A web browser, email client and calendar |
| mutt-1.4 | A text based email client |
| mysql-3.23.57 | The MySQL database server and client utilities |
| ntop-2.2c | Utility to monitor and report various network statistics |
| ntp-4.1.2 | Network Time Protocol tools |
| octave-2.0.16 | A high-level interactive language for numerical computations |
| openldap-2.1.22 | LDAP server and client tools |
| openssh-3.7.1p1 | Secure Shell server and client tools |
| openssh-3.7.1p2 | Secure Shell server and client tools |
| openssl-0.9.7b | SSL encryption API and tools |
| openssl-0.9.7c | SSL encryption API and tools |
| opera-6.12-beta1 | A web browser |
| pango-1.2.3 | Library for layout and rendering of text. |
| patch-2.5.4 | GNU patch utility |
| perl-5.8.0 | Perl package |
| pgp-2.6.3 | Pretty Good Privacy encryption tools |
| php-4.3.2 | PHP scripting interpreter |
| pine4.56 | A text email client |
| pkgconfig-0.15.0 | A package to put together build flags for compiling/linking |
| procmail-3.22 | Email processing utility with tons of customizable rules |
| proftpd-1.2.8 | FTP server daemon |
| qmail-1.03 | SMTP and POP services |
| rrdtool-1.0.45 | Tool for manipulating round-robin databases |
| rsync-2.5.6 | File/directory synchronization tool |
| safecat-1.9 | Tool for writing files into ./Maildir/ |
| samba-2.2.8 | File and print sharing utilities for windows |
| screen-3.9.9 | A terminal multiplexing tool |
| spamassassin-2.55 | A package of perl scripts which analyse mail for spam |
| speech_tools-1.2.3 | C++ API frequently used in speech software |
| squid-2.5.STABLE3 | HTTP proxy server |
| squirrelmail-1.4.1 | Web based Email client |
| sredir-0.1 | Socket redirector utility |
| stunnel-4.04 | A socket redirector with SSL support |
| tar-1.13 | The GNU tar utility |
| tcl8.4.4 | The TCL scripting interpreter |
| tcpdump-3.7.2 | A tool for packet capture |
| tiff-v3.5.7 | TIFF image processing API |
| tightvnc-1.2.9 | A virtual desktop / virual X server software |
| tk8.4.4 | Tool for writing apps with TK/TCL language |
| top-3.5beta12 | Display processes and memory consumption |
| tripwire-1.3.1 | Security tool for monitoring file changes |
| ttcp-0.1 | Network bandwidth tester |
| ucd-snmp-4.2.3 | SNMP tools |
| ucspi-tcp-0.88 | TCP wrappers and TCP server tools |
| xv-3.10 | An image display tool |
| zlib-1.1.4 | Data compression API |