--- doc/loncapafiles/loncapafiles.lpml 2001/12/19 21:29:05 1.73 +++ doc/loncapafiles/loncapafiles.lpml 2002/02/21 15:51:33 1.102 @@ -1,7 +1,7 @@ - - + - -!!!!!!!!! REDHAT 7.1 NOTICE !!!!!!!!!!!!!!!!!!!! + + +!!! REDHAT 6.2 NOTICE !!! +!!! Sometimes an incorrect /etc/hosts file is incorrectly generated !!! +!!! This sometimes happens (bad): !!! +!!! 127.0.0.1 computer1 localhost.localdomain localhost !!! +!!! Should be: !!! +!!! 127.0.0.1 localhost.localdomain localhost !!! +!!! 35.2.3.80 computer1 computer1.notreal.msu.edu !!! + + +!!!!!!!!! REDHAT 7.* NOTICE !!!!!!!!!!!!!!!!!!!! !!!!!!!!! LINE IN Cookie.pm !!!!!!!!!!!!!!!!!!!! !!!!!!!!! MUST BE REPLACED DUE !!!!!!!!!!!!!!!!!!!! !!!!!!!!! TO PERL 5.6.0 ERROR !!!!!!!!!!!!!!!!!!!! !!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!! The offending line is in CGI/Cookie.pm !! !!!! !! -!!!! it went from !! -!!!! !! -!!!! !! -!!!! # IE requires the path and domain to be present for some reason. !! -!!!! ($path = $ENV{'SCRIPT_NAME'})=~s![^/]+$!! unless $path; !! -!!!! !! +!!!! it should be changed from !! +!!!! $path = CGI::url(-absolute=>1) unless defined $path; !! !!!! to !! +!!!! ($path = $ENV{'SCRIPT_NAME'})=~s![^/]+$!! unless $path; !! !!!! !! -!!!! !! +!!!! (This is just below the following line ) !! !!!! # IE requires the path and domain to be present for some reason. !! -!!!! $path = CGI::url(-absolute=>1) unless defined $path; !! + / /home/user/loncapa/ @@ -115,6 +122,14 @@ http://www.lon-capa.org/ 0400www:www graphicfile + + 0644root:root + systemfile + + + 0644root:root + systemfile + 0644root:root systemfile @@ -177,11 +192,10 @@ Division of Science and Mathematics Educ Utilities/System LON-CAPA-base-3.1.tar.gz no - This package facilitates a base installation of LON-CAPA files in their directories.\n -The files in this package are only those directly associated with the network communication\n -layer established through direct server-to-server communications (via lond and lonc); plus\n -those which configure (but otherwise not constitute) external software packages like Apache\n -and Athena-Kerberos. For more on the LON-CAPA project, visit http://www.lon-capa.org/. + This package facilitates a base installation of LON-CAPA \n +files in their directories.\n +For more on the LON-CAPA project, visit http://www.lon-capa.org/. + echo '***********************************************************************'\n echo 'LON-CAPA LearningOnline with CAPA'\n echo 'http://www.lon-capa.org/'\n @@ -195,12 +209,13 @@ echo 'This installation assumes an insta echo ' '\n echo 'The server computer should be currently connected to the ethernet'\n echo ' '\n -echo 'The files in this package are only those directly associated with the network communication'\n -echo 'layer established through direct server-to-server communications (via lond and lonc); plus'\n -echo 'those which configure (but otherwise not constitute) external software packages like Apache'\n -echo 'and Athena-Kerberos.'\n echo '***********************************************************************'\n + +PreReq: LON-CAPA-setup +PreReq: apache +PreReq: /etc/httpd/conf/access.conf + @@ -305,6 +320,14 @@ echo '********************************** + home/httpd/html/lon-status/londchld + server standard + +Used by lond parent to check if children are responding to USR1 signals +(otherwise they are killed and replaced). + + + home/httpd/perl/tmp server standard location where temporary files (for caching) are stored @@ -384,6 +407,12 @@ interface interface, Apache (mod_perl) handlers + home/httpd/html/adm/help/scripts + server readonly + online help documentation for the LON-CAPA programming +interface, Apache (mod_perl) handlers + + home/httpd/html/adm/lonIcons server readonly graphic widgets @@ -467,9 +496,14 @@ LON-CAPA system. - usr/lib/perl5/man/man3 + usr/man/man1 standard - perl module manual pages + manual pages + + + usr/man/man3 + standard + manual pages usr/sbin @@ -502,6 +536,15 @@ each list element consists of only two s +loncom/loncapa.conf +etc/httpd/conf/loncapa.conf +conf + +The goal of this file is to implement all LON-CAPA specific +customization of the Apache web server. + + + loncom/access.conf etc/httpd/conf/access.conf conf @@ -520,7 +563,7 @@ and browser detection logic. configure
- +
lonHostIDLON-internal HostID of this machine
lonRoleRole of this machine: library, @@ -617,6 +660,14 @@ parameter. +loncom/cgi/clusterstatus.pl +home/httpd/cgi-bin/clusterstatus.pl +script + +utility cgi script to view status of cluster + + + loncom/cgi/graph.gif home/httpd/cgi-bin/graph.gif script @@ -629,6 +680,22 @@ GDGraph-1.33 and GDTextUtils-0.80. +loncom/cgi/lonversions.pl +home/httpd/cgi-bin/lonversions.pl +script + +utility cgi script to view software versions of a remote server + + + +loncom/cgi/ping.pl +home/httpd/cgi-bin/ping.pl +script + +cgi-script to ping other server + + + loncom/cgi/plot.gif home/httpd/cgi-bin/plot.gif script @@ -775,7 +842,7 @@ and privileges available in the network loncom/hosts.tab home/httpd/lonTabs/hosts.tab -conf +static conf List of all machines in the LON-CAPA network. Relates lonHostID to lonDefDomain and IP address. @@ -790,7 +857,7 @@ Spare hosts to offload session to if the configure
- +
@@ -827,7 +894,7 @@ neighborhood which NTP server to contact for information (XNTP3 standard) -
list elements are separated by newlines
+
@@ -854,6 +921,32 @@ proxy server +doc/man/lonc.1 +usr/man/man1/lonc.1 +doc +man page for lonc + +loncom/build/pod2man.sh ../lonc > ../../doc/man/lonc.1 && echo 'manifying lonc' + +works/unverified + +../../loncom/lonc + + + +doc/scripts/lonc.html +home/httpd/html/adm/help/scripts/lonc.html +doc +man page for lonc + +loncom/build/pod2html.sh ../lonc > ../../doc/scripts/lonc.html && echo 'pod2html lonc' + +works/unverified + +../../loncom/lonc + + + loncom/lond home/httpd/perl/lond script @@ -872,6 +965,32 @@ tmpput, tmpget, and ls). +doc/man/lond.1 +usr/man/man1/lond.1 +doc +man page for lond + +loncom/build/pod2man.sh ../lond > ../../doc/man/lond.1 && echo 'manifying lond' + +works/unverified + +../../loncom/lond + + + +doc/scripts/lond.html +home/httpd/html/adm/help/scripts/lond.html +doc +man page for lond + +loncom/build/pod2html.sh ../lond > ../../doc/scripts/lond.html && echo 'pod2html lond' + +works/unverified + +../../loncom/lond + + + loncom/cgi/loncron.pl home/httpd/cgi-bin/loncron.pl script @@ -890,6 +1009,32 @@ tmpput, tmpget, and ls). maintain secondary database of metadata +doc/man/lonsql.1 +usr/man/man1/lonsql.1 +doc +man page for lonsql + +loncom/build/pod2man.sh ../lonsql > ../../doc/man/lonsql.1 && echo 'manifying lonsql' + +works/unverified + +../../loncom/lonsql + + + +doc/scripts/lonsql.html +home/httpd/html/adm/help/scripts/lonsql.html +doc +man page for lonsql + +loncom/build/pod2html.sh ../lonsql > ../../doc/scripts/lonsql.html && echo 'pod2html lonsql' + +works/unverified + +../../loncom/lonsql + + + loncom/lcpasswd home/httpd/perl/lcpasswd setuid script @@ -1019,7 +1164,7 @@ retroactively add new parameters to alre loncom/publisher/copyright.tab home/httpd/html/res/adm/includes/copyright.tab -conf +static conf Table which contains list of copyright possibilities for educational resources. @@ -1089,6 +1234,32 @@ Handler to upload files through browser works/unverified +doc/man/Apache__lonupload.3 +usr/man/man3/Apache::lonupload.3 +doc +man page for lonupload.pm + +loncom/build/pod2man.sh ../publisher/lonupload.pm > ../../doc/man/Apache__lonupload.3 && echo 'manifying lonupload.pm' + +works/unverified + +../../loncom/publisher/lonupload.pm + + + +doc/api/Apache/lonupload.html +home/httpd/html/adm/help/api/Apache/lonupload.html +doc +POD-derived page for lonupload.pm + +loncom/build/pod2html.sh ../publisher/lonupload.pm > ../../doc/api/Apache/lonupload.html && echo 'pod2html lonupload.pm' + +works/unverified + +../../loncom/publisher/lonupload.pm + + + loncom/homework/essayresponse.pm home/httpd/lib/perl/Apache/essayresponse.pm handler @@ -1098,6 +1269,24 @@ Handler to evaluate essay (ungraded) sty works/unverified +loncom/homework/externalresponse.pm +home/httpd/lib/perl/Apache/externalresponse.pm +handler + +Handler to evaluate externally graded responses. + +works/unverified + + +loncom/homework/loncapagrade.pm +home/httpd/lib/perl/Apache/loncapagrade.pm +handler + +Handler to evaluate externally graded responses. + +works/unverified + + loncom/publisher/lonpubdir.pm home/httpd/lib/perl/Apache/lonpubdir.pm handler @@ -1106,6 +1295,32 @@ Handler to publish directories. +doc/man/Apache__lonpubdir.3 +usr/man/man3/Apache::lonpubdir.3 +doc +man page for lonpubdir.pm + +loncom/build/pod2man.sh ../publisher/lonpubdir.pm > ../../doc/man/Apache__lonpubdir.3 && echo 'manifying lonpubdir.pm' + +works/unverified + +../../loncom/lonnet/perl/lonnet.pm + + + +doc/api/Apache/lonpubdir.html +home/httpd/html/adm/help/api/Apache/lonpubdir.html +doc +POD-derived page for lonpubdir.pm + +loncom/build/pod2html.sh ../publisher/lonpubdir.pm > ../../doc/api/Apache/lonpubdir.html && echo 'pod2html lonpubdir.pm' + +works/unverified + +../../loncom/publisher/lonpubdir.pm + + + loncom/publisher/lonretrieve.pm home/httpd/lib/perl/Apache/lonretrieve.pm handler @@ -1115,6 +1330,32 @@ Handler to retrieve old versions from re works/unverified +doc/man/Apache__lonretrieve.3 +usr/man/man3/Apache::lonretrieve.3 +doc +man page for lonretrieve.pm + +loncom/build/pod2man.sh ../publisher/lonretrieve.pm > ../../doc/man/Apache__lonretrieve.3 && echo 'manifying lonretrieve.pm' + +works/unverified + +../../loncom/publisher/lonretrieve.pm + + + +doc/api/Apache/lonretrieve.html +home/httpd/html/adm/help/api/Apache/lonretrieve.html +doc +POD-derived page for lonretrieve.pm + +loncom/build/pod2html.sh ../publisher/lonretrieve.pm > ../../doc/api/Apache/lonretrieve.html && echo 'pod2html lonretrieve.pm' + +works/unverified + +../../loncom/publisher/lonretrieve.pm + + + loncom/homework/edit.pm home/httpd/lib/perl/Apache/edit.pm handler @@ -1123,6 +1364,32 @@ Helper functions when in homework edit m +doc/man/Apache__edit.3 +usr/man/man3/Apache::edit.3 +doc +man page for edit.pm + +loncom/build/pod2man.sh ../homework/edit.pm > ../../doc/man/Apache__edit.3 && echo 'manifying edit.pm' + +works/unverified + +../../loncom/homework/edit.pm + + + +doc/api/Apache/edit.html +home/httpd/html/adm/help/api/Apache/edit.html +doc +POD-derived page for edit.pm + +loncom/build/pod2html.sh ../homework/edit.pm > ../../doc/api/Apache/edit.html && echo 'pod2html edit.pm' + +works/unverified + +../../loncom/homework/edit.pm + + + loncom/interface/lonmeta.pm home/httpd/lib/perl/Apache/lonmeta.pm handler @@ -1195,6 +1462,32 @@ user, domain, home_server, course_id. works/unverified +doc/man/Apache__loncommon.3 +usr/man/man3/Apache::loncommon.3 +doc +man page for loncommon.pm + +loncom/build/pod2man.sh ../interface/loncommon.pm > ../../doc/man/Apache__loncommon.3 && echo 'manifying loncommon.pm' + +works/unverified + +../../loncom/interface/loncommon.pm + + + +doc/api/Apache/loncommon.html +home/httpd/html/adm/help/api/Apache/loncommon.html +doc +POD-derived page for loncommon.pm + +loncom/build/pod2html.sh ../interface/loncommon.pm > ../../doc/api/Apache/loncommon.html && echo 'pod2html loncommon.pm' + +works/unverified + +../../loncom/interface/loncommon.pm + + + loncom/homework/grades.pm home/httpd/lib/perl/Apache/grades.pm handler @@ -1332,6 +1625,32 @@ Handles a searchable catalogue. works/unverified +doc/man/Apache__lonsearchcat.3 +usr/man/man3/Apache::lonsearchcat.3 +doc +man page for lonsearchcat.pm + +loncom/build/pod2man.sh ../interface/lonsearchcat.pm > ../../doc/man/Apache__lonsearchcat.3 && echo 'manifying lonsearchcat.pm' + +works/unverified + +../../loncom/interface/lonsearchcat.pm + + + +doc/api/Apache/lonsearchcat.html +home/httpd/html/adm/help/api/Apache/lonsearchcat.html +doc +POD-derived page for lonsearchcat.pm + +loncom/build/pod2html.sh ../interface/lonsearchcat.pm > ../../doc/api/Apache/lonsearchcat.html && echo 'pod2html lonsearchcat.pm' + +works/unverified + +../../loncom/interface/lonsearchcat.pm + + + loncom/interface/londropadd.pm home/httpd/lib/perl/Apache/londropadd.pm handler @@ -1388,6 +1707,32 @@ Handler to resolve ambiguous file locati works/unverified +doc/man/Apache__lonparmset.3 +usr/man/man3/Apache::lonparmset.3 +doc +man page for lonparmset.pm + +loncom/build/pod2man.sh ../interface/lonparmset.pm > ../../doc/man/Apache__lonparmset.3 && echo 'manifying lonparmset.pm' + +works/unverified + +../../loncom/interface/lonparmset.pm + + + +doc/api/Apache/lonparmset.html +home/httpd/html/adm/help/api/Apache/lonparmset.html +doc +POD-derived page for lonparmset.pm + +loncom/build/pod2html.sh ../interface/lonparmset.pm > ../../doc/api/Apache/lonparmset.html && echo 'pod2html lonparmset.pm' + +works/unverified + +../../loncom/interface/lonparmset.pm + + + loncom/publisher/lonconstruct.pm home/httpd/lib/perl/Apache/lonconstruct.pm handler @@ -1407,6 +1752,32 @@ Publishes an LON-CAPA educational resour works/unverified +doc/man/Apache__lonpublisher.3 +usr/man/man3/Apache::lonpublisher.3 +doc +man page for lonpublisher.pm + +loncom/build/pod2man.sh ../publisher/lonpublisher.pm > ../../doc/man/Apache__lonpublisher.3 && echo 'manifying lonpublisher.pm' + +works/unverified + +../../loncom/publisher/lonpublisher.pm + + + +doc/api/Apache/lonpublisher.html +home/httpd/html/adm/help/api/Apache/lonpublisher.html +doc +POD-derived page for lonpublisher.pm + +loncom/build/pod2html.sh ../publisher/lonpublisher.pm > ../../doc/api/Apache/lonpublisher.html && echo 'pod2html lonpublisher.pm' + +works/unverified + +../../loncom/publisher/lonpublisher.pm + + + loncom/interface/lonmenu.pm home/httpd/lib/perl/Apache/lonmenu.pm handler @@ -1480,6 +1851,32 @@ bundles pages into one page works/unverified +doc/man/Apache__lonpage.3 +usr/man/man3/Apache::lonpage.3 +doc +man page for lonpage.pm + +loncom/build/pod2man.sh ../../rat/lonpage.pm > ../../doc/man/Apache__lonpage.3 && echo 'manifying lonpage.pm' + +works/unverified + +../../rat/lonpage.pm + + + +doc/api/Apache/lonpage.html +home/httpd/html/adm/help/api/Apache/lonpage.html +doc +POD-derived page for lonnet.pm + +loncom/build/pod2html.sh ../../rat/lonpage.pm > ../../doc/api/Apache/lonpage.html && echo 'pod2html lonpage.pm' + +works/unverified + +../../rat/lonpage.pm + + + rat/lonuserstate.pm home/httpd/lib/perl/Apache/lonuserstate.pm handler @@ -1489,6 +1886,32 @@ compile course into binary data structur works/unverified +doc/man/Apache__lonuserstate.3 +usr/man/man3/Apache::lonuserstate.3 +doc +man page for lonnet.pm + +loncom/build/pod2man.sh ../../rat/lonuserstate.pm > ../../doc/man/Apache__lonuserstate.3 && echo 'manifying lonuserstate.pm' + +works/unverified + +../../rat/lonuserstate.pm + + + +doc/api/Apache/lonuserstate.html +home/httpd/html/adm/help/api/Apache/lonuserstate.html +doc +POD-derived page for lonuserstate.pm + +loncom/build/pod2html.sh ../../rat/lonuserstate.pm > ../../doc/api/Apache/lonuserstate.html && echo 'pod2html lonuserstate.pm' + +works/unverified + +../../rat/lonuserstate.pm + + + loncom/xml/lontex.pm home/httpd/lib/perl/Apache/lontex.pm handler @@ -1516,6 +1939,15 @@ XML Parsing Module works/unverified +loncom/xml/lonplot.pm +home/httpd/lib/perl/Apache/lonplot.pm +handler + +XML-based plotter of graphs + +works/unverified + + loncom/xml/style.pm home/httpd/lib/perl/Apache/style.pm handler @@ -1568,8 +2000,8 @@ image. handles requests for output, evaluation, and alteration of a homework resource - works/unverified + loncom/homework/inputtags.pm home/httpd/lib/perl/Apache/inputtags.pm @@ -1630,6 +2062,32 @@ as coordinating access to educational re works/unverified +doc/man/Apache__lonacc.3 +usr/man/man3/Apache::lonacc.3 +doc +man page for lonacc.pm + +loncom/build/pod2man.sh ../auth/lonacc.pm > ../../doc/man/Apache__lonacc.3 && echo 'manifying lonacc.pm' + +works/unverified + +../../loncom/auth/lonacc.pm + + + +doc/api/Apache/lonacc.html +home/httpd/html/adm/help/api/Apache/lonacc.html +doc +POD-derived page for lonacc.pm + +loncom/build/pod2html.sh ../auth/lonacc.pm > ../../doc/api/Apache/lonacc.html && echo 'pod2html lonacc.pm' + +works/unverified + +../../loncom/auth/lonacc.pm + + + loncom/auth/lonracc.pm home/httpd/lib/perl/Apache/lonracc.pm handler @@ -1639,6 +2097,32 @@ access handler for file transfers works/unverified +doc/man/Apache__lonracc.3 +usr/man/man3/Apache::lonracc.3 +doc +man page for lonracc.pm + +loncom/build/pod2man.sh ../auth/lonracc.pm > ../../doc/man/Apache__lonracc.3 && echo 'manifying lonracc.pm' + +works/unverified + +../../loncom/auth/lonracc.pm + + + +doc/api/Apache/lonracc.html +home/httpd/html/adm/help/api/Apache/lonracc.html +doc +POD-derived page for lonracc.pm + +loncom/build/pod2html.sh ../auth/lonracc.pm > ../../doc/api/Apache/lonracc.html && echo 'pod2html lonracc.pm' + +works/unverified + +../../loncom/auth/lonracc.pm + + + loncom/auth/loncacc.pm home/httpd/lib/perl/Apache/loncacc.pm handler @@ -1657,6 +2141,32 @@ for the "priv"-type access, the resource works/unverified +doc/man/Apache__loncacc.3 +usr/man/man3/Apache::loncacc.3 +doc +man page for loncacc.pm + +loncom/build/pod2man.sh ../auth/loncacc.pm > ../../doc/man/Apache__loncacc.3 && echo 'manifying loncacc.pm' + +works/unverified + +../../loncom/auth/loncacc.pm + + + +doc/api/Apache/loncacc.html +home/httpd/html/adm/help/api/Apache/loncacc.html +doc +POD-derived page for loncacc.pm + +loncom/build/pod2html.sh ../auth/loncacc.pm > ../../doc/api/Apache/loncacc.html && echo 'pod2html loncacc.pm' + +works/unverified + +../../loncom/auth/loncacc.pm + + + loncom/auth/lonauth.pm home/httpd/lib/perl/Apache/lonauth.pm handler @@ -1698,6 +2208,32 @@ class. +doc/man/Apache__lonroles.3 +usr/man/man3/Apache::lonroles.3 +doc +man page for lonroles.pm + +loncom/build/pod2man.sh ../auth/lonroles.pm > ../../doc/man/Apache__lonroles.3 && echo 'manifying lonroles.pm' + +works/unverified + +../../loncom/auth/lonroles.pm + + + +doc/api/Apache/lonroles.html +home/httpd/html/adm/help/api/Apache/lonroles.html +doc +POD-derived page for lonroles.pm + +loncom/build/pod2html.sh ../auth/lonroles.pm > ../../doc/api/Apache/lonroles.html && echo 'pod2html lonroles.pm' + +works/unverified + +../../loncom/auth/lonroles.pm + + + loncom/interface/lonindexer.pm home/httpd/lib/perl/Apache/lonindexer.pm handler @@ -1707,6 +2243,32 @@ cross server filesystem browser works/unverified +doc/man/Apache__lonindexer.3 +usr/man/man3/Apache::lonindexer.3 +doc +man page for lonindexer.pm + +loncom/build/pod2man.sh ../interface/lonindexer.pm > ../../doc/man/Apache__lonindexer.3 && echo 'manifying lonindexer.pm' + +works/unverified + +../../loncom/interface/lonindexer.pm + + + +doc/api/Apache/lonindexer.html +home/httpd/html/adm/help/api/Apache/lonindexer.html +doc +POD-derived page for lonindexer.pm + +loncom/build/pod2html.sh ../interface/lonindexer.pm > ../../doc/api/Apache/lonindexer.html && echo 'pod2html lonindexer.pm' + +works/unverified + +../../loncom/interface/lonindexer.pm + + + loncom/interface/groupsort.pm home/httpd/lib/perl/Apache/groupsort.pm handler @@ -1736,11 +2298,11 @@ symbols to and from more descriptive phr doc/man/Apache__lonnet.3 -usr/lib/perl5/man/man3/Apache::lonnet.3 -system file +usr/man/man3/Apache::lonnet.3 +doc man page for lonnet.pm -loncom/build/pod2man.sh ../lonnet/perl/lonnet.pm > ../../doc/man/Apache__lonnet.3 +loncom/build/pod2man.sh ../lonnet/perl/lonnet.pm > ../../doc/man/Apache__lonnet.3 && echo 'manifying lonnet.pm' works/unverified @@ -1749,11 +2311,11 @@ loncom/build/pod2man.sh ../lonnet/perl/l doc/api/Apache/lonnet.html -home/httpd/html/adm/help/api/lonnet.html -system file +home/httpd/html/adm/help/api/Apache/lonnet.html +doc POD-derived page for lonnet.pm -loncom/build/pod2html.sh ../lonnet/perl/lonnet.pm > ../../doc/api/Apache/lonnet.html +loncom/build/pod2html.sh ../lonnet/perl/lonnet.pm > ../../doc/api/Apache/lonnet.html && echo 'pod2html lonnet.pm' works/unverified @@ -2096,7 +2658,11 @@ button to set parameters in a page, button to do regrades, button to check on problem submissions, +authorfeed.gif; +bomb.gif; cat_button.gif; +chat.gif; +feedback.gif; pprm_button.gif; pgrd_button.gif; subm_button.gif @@ -2138,7 +2704,7 @@ modules/TexConvert/tthperl/commands works/unverified ../tthdynamic/tthfunc.c; -../tthdynamic/ttmfunc.c +../ttmdynamic/ttmfunc.c @@ -2337,6 +2903,7 @@ p.gif; parm.gif; pgrd.gif; pparm.gif; +pref.gif; prev.gif; prt.gif; q.gif;
only one line needs to be changed to specify a server ip address