Info16.fr

Le blog de B@rtounet

calcul

#Gnu/Linux, Planet Libre

Installation d'une solution de collaboration Ethercalc: Feuille de calcul collaborative

ethercalc
Je cherchais depuis un moment, un outil collaboratif.
Je cherche toujours des alternatives aux Géants du Web tels que Google ou Microsoft.
Mais force est de constater qu'il n'existe aujourd'hui pas de réèls concurents à ses solutions...

Le traitement de texte collaboratif que j'utilise est Etherpad, mais en ce qui concerne les feuille de calcul collaborative, c'est une autre paire de manche...

Ethercalc est un système de feuille collaborative open source, ce type d'outil  est tellement rare, qu'il mérite un petit billet.

Ethercalc Logo

EtherCalc est un tableur collaboratif en temps réel. Il permet par défaut à un maximum de seize personnes de partager un texte en cours d'élaboration. Les contributions de chacun apparaissent immédiatement sur l'écran de tous les participants et sont signalées par des couleurs différentes. Une fenêtre de messagerie instantanée est également disponible.

Le système ne requiert aucune installation, ni aucune inscription, il suffit d'avoir une connexion internet et un navigateur web. EtherCalc est écrit en JavaScript.

L'application a été lancée le 19 novembre 2008 par David Greenspan, Aaron Iba et J.D. Zamfirescu (ces deux derniers travaillaient auparavant pour Google).

Le 4 décembre 2009, Google rachète AppJet, la société qui possède le logiciel et il est annoncé que cette application collaborative sera proposée sous licence Open Source1.

Le 17 décembre 2009, Google libère les sources d'EtherCalc sous licence Apache v2.

source: Wikipedia.

EtherCalc



Plateforme Materielle :


Comme d'habitude, j'ai monté mon prototype sur ma plateforme de virtualisation:
Dedibox Pro HP
Plateforme logicielle hyperviseur:
  • Dom0 Ubuntu 12.04 X86_64 Xen 4.1
Plateforme Virtuelle:
  • DomU Xen Ubuntu 12.04 X86_64 Paravirtualisé
  • 2 vcpus 
  • 512 Mo de Ram
  • HDD 16GB


Installation:

Pour commencer j'ai mis à jour totalement mon DomU ubuntu 12.04; mon template avait quelques maj de retard :)

  • Mise à niveau du DomU
root@ubuntults:/# apt-get update; apt-get upgrade
root@ubuntults:/# apt-get install linux-headers-server linux-image-server linux-server
root@ubuntults:/# reboot
  • Installation des prérequis 
root@antony-linux:/home/antony# apt-get install gzip git-core curl python perl build-essential

  • Installation de node.js
On télécharge la dernière version de node.js et on la compile
Attention, ethercalc n'est pour l'instant pas compatible avec node.js v9
On utilise la version packagée dans ubuntu 12.04 : nodejs_0.6.12 
    root@antony-linux:/home/antony# apt-get install nodejs npm

  • Installation de Ethercalc 
On utilse git pour récupérer la dernière version.
root@ubuntu:~# cd /opt/
root@ubuntu:/opt# git clone https://github.com/audreyt/ethercalc.git
Cloning into 'ethercalc'...
remote: Counting objects: 2049, done.
remote: Compressing objects: 100% (1263/1263), done.
remote: Total 2049 (delta 755), reused 1905 (delta 626)
Receiving objects: 100% (2049/2049), 3.03 MiB | 1.73 MiB/s, done.
Resolving deltas: 100% (755/755), done.

On installe ethercalc:

root@ubuntults:/opt/ethercalc# root@ubuntu:/opt/ethercalc# npm i -g ethercalc
npm http GET https://registry.npmjs.org/ethercalc
npm http 200 https://registry.npmjs.org/ethercalc
npm http GET https://registry.npmjs.org/ethercalc/-/ethercalc-0.20121026.162049.tgz
npm http 200 https://registry.npmjs.org/ethercalc/-/ethercalc-0.20121026.162049.tgz
npm http GET https://registry.npmjs.org/redis
npm http GET https://registry.npmjs.org/uuid-pure
npm http GET https://registry.npmjs.org/optimist
npm http GET https://registry.npmjs.org/zappajs
npm http GET https://registry.npmjs.org/hiredis
npm http 200 https://registry.npmjs.org/uuid-pure
npm http GET https://registry.npmjs.org/uuid-pure/-/uuid-pure-1.0.10.tgz
npm http 200 https://registry.npmjs.org/optimist
npm http GET https://registry.npmjs.org/optimist/-/optimist-0.3.5.tgz
npm http 200 https://registry.npmjs.org/uuid-pure/-/uuid-pure-1.0.10.tgz
npm http 200 https://registry.npmjs.org/zappajs
npm http GET https://registry.npmjs.org/zappajs/-/zappajs-0.4.12.tgz
npm http 200 https://registry.npmjs.org/optimist/-/optimist-0.3.5.tgz
npm http 200 https://registry.npmjs.org/hiredis
npm http GET https://registry.npmjs.org/hiredis/-/hiredis-0.1.14.tgz
npm http 200 https://registry.npmjs.org/zappajs/-/zappajs-0.4.12.tgz
npm http 200 https://registry.npmjs.org/hiredis/-/hiredis-0.1.14.tgz
npm http 200 https://registry.npmjs.org/redis
npm http GET https://registry.npmjs.org/redis/-/redis-0.8.1.tgz
npm http 200 https://registry.npmjs.org/redis/-/redis-0.8.1.tgz
npm http GET https://registry.npmjs.org/wordwrap
npm http GET https://registry.npmjs.org/coffeecup/0.3.17
npm http GET https://registry.npmjs.org/coffee-css/0.0.5
npm http GET https://registry.npmjs.org/node-uuid/1.4.0
npm http GET https://registry.npmjs.org/uglify-js/1.3.4
npm http GET https://registry.npmjs.org/express/3.0.0
npm http GET https://registry.npmjs.org/socket.io/0.9.10

> hiredis@0.1.14 preinstall /usr/local/lib/node_modules/ethercalc/node_modules/hiredis
> make || gmake

cd deps/hiredis && make static
make[1]: Entering directory `/usr/local/lib/node_modules/ethercalc/node_modules/hiredis/deps/hiredis'
cc -std=c99 -pedantic -c -O3 -fPIC -Wall -W -Wstrict-prototypes -Wwrite-strings -g -ggdb net.c
npm http 200 https://registry.npmjs.org/wordwrap
npm http GET https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz
npm http 200 https://registry.npmjs.org/coffeecup/0.3.17
npm http GET https://registry.npmjs.org/coffeecup/-/coffeecup-0.3.17.tgz
cc -std=c99 -pedantic -c -O3 -fPIC -Wall -W -Wstrict-prototypes -Wwrite-strings -g -ggdb hiredis.c
npm http 200 https://registry.npmjs.org/coffee-css/0.0.5
npm http GET https://registry.npmjs.org/coffee-css/-/coffee-css-0.0.5.tgz
npm http 200 https://registry.npmjs.org/uglify-js/1.3.4
npm http GET https://registry.npmjs.org/uglify-js/-/uglify-js-1.3.4.tgz
npm http 200 https://registry.npmjs.org/socket.io/0.9.10
npm http 200 https://registry.npmjs.org/express/3.0.0
npm http GET https://registry.npmjs.org/socket.io/-/socket.io-0.9.10.tgz
npm http GET https://registry.npmjs.org/express/-/express-3.0.0.tgz
npm http 200 https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz
npm http 200 https://registry.npmjs.org/node-uuid/1.4.0
npm http GET https://registry.npmjs.org/node-uuid/-/node-uuid-1.4.0.tgz
npm http 200 https://registry.npmjs.org/coffeecup/-/coffeecup-0.3.17.tgz
cc -std=c99 -pedantic -c -O3 -fPIC -Wall -W -Wstrict-prototypes -Wwrite-strings -g -ggdb sds.c
npm http 200 https://registry.npmjs.org/uglify-js/-/uglify-js-1.3.4.tgz
npm http 200 https://registry.npmjs.org/socket.io/-/socket.io-0.9.10.tgz
npm http 200 https://registry.npmjs.org/express/-/express-3.0.0.tgz
cc -std=c99 -pedantic -c -O3 -fPIC -Wall -W -Wstrict-prototypes -Wwrite-strings -g -ggdb async.c
npm http 200 https://registry.npmjs.org/coffee-css/-/coffee-css-0.0.5.tgz
ar rcs libhiredis.a net.o hiredis.o sds.o async.o
npm http 200 https://registry.npmjs.org/node-uuid/-/node-uuid-1.4.0.tgz
make[1]: Leaving directory `/usr/local/lib/node_modules/ethercalc/node_modules/hiredis/deps/hiredis'
node-waf configure build
Setting srcdir to : /usr/local/lib/node_modules/ethercalc/node_modules/hiredis 
Setting blddir to : /usr/local/lib/node_modules/ethercalc/node_modules/hiredis/build 
Checking for program g++ or c++ : /usr/bin/g++ 
Checking for program cpp : /usr/bin/cpp 
Checking for program ar : /usr/bin/ar 
Checking for program ranlib : /usr/bin/ranlib 
Checking for g++ : ok 
Checking for node path : not found 
Checking for node prefix : ok /usr 
'configure' finished successfully (0.075s)
Waf: Entering directory `/usr/local/lib/node_modules/ethercalc/node_modules/hiredis/build'
[1/3] cxx: hiredis.cc -> build/Release/hiredis_1.o
[2/3] cxx: reader.cc -> build/Release/reader_1.o
[3/3] cxx_link: build/Release/hiredis_1.o build/Release/reader_1.o -> build/Release/hiredis.node
Waf: Leaving directory `/usr/local/lib/node_modules/ethercalc/node_modules/hiredis/build'
'build' finished successfully (1.526s)
npm http GET https://registry.npmjs.org/underscore
npm http GET https://registry.npmjs.org/coffee-script
npm http GET https://registry.npmjs.org/commander/0.6.1
npm http GET https://registry.npmjs.org/range-parser/0.0.4
npm http GET https://registry.npmjs.org/mkdirp/0.3.3
npm http GET https://registry.npmjs.org/cookie/0.0.4
npm http GET https://registry.npmjs.org/crc/0.2.0
npm http GET https://registry.npmjs.org/fresh/0.1.0
npm http GET https://registry.npmjs.org/methods/0.0.1
npm http GET https://registry.npmjs.org/send/0.1.0
npm http GET https://registry.npmjs.org/debug
npm http GET https://registry.npmjs.org/connect/2.6.0
npm http GET https://registry.npmjs.org/policyfile/0.0.4
npm http GET https://registry.npmjs.org/redis/0.7.2
npm http GET https://registry.npmjs.org/socket.io-client/0.9.10
npm http GET https://registry.npmjs.org/coffee-script
npm http GET https://registry.npmjs.org/optparse/1.0.3
npm http GET https://registry.npmjs.org/uglify-js/1.2.6
npm http GET https://registry.npmjs.org/stylus/0.27.2
npm http 200 https://registry.npmjs.org/mkdirp/0.3.3
npm http GET https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.3.tgz
npm http 200 https://registry.npmjs.org/range-parser/0.0.4
npm http GET https://registry.npmjs.org/range-parser/-/range-parser-0.0.4.tgz
npm http 200 https://registry.npmjs.org/coffee-script
npm http GET https://registry.npmjs.org/coffee-script/-/coffee-script-1.4.0.tgz
npm http 200 https://registry.npmjs.org/commander/0.6.1
npm http GET https://registry.npmjs.org/commander/-/commander-0.6.1.tgz
npm http 200 https://registry.npmjs.org/cookie/0.0.4
npm http GET https://registry.npmjs.org/cookie/-/cookie-0.0.4.tgz
npm http 200 https://registry.npmjs.org/crc/0.2.0
npm http GET https://registry.npmjs.org/crc/-/crc-0.2.0.tgz
npm http 200 https://registry.npmjs.org/fresh/0.1.0
npm http GET https://registry.npmjs.org/fresh/-/fresh-0.1.0.tgz
npm http 200 https://registry.npmjs.org/methods/0.0.1
npm http GET https://registry.npmjs.org/methods/-/methods-0.0.1.tgz
npm http 200 https://registry.npmjs.org/send/0.1.0
npm http GET https://registry.npmjs.org/send/-/send-0.1.0.tgz
npm http 200 https://registry.npmjs.org/policyfile/0.0.4
npm http GET https://registry.npmjs.org/policyfile/-/policyfile-0.0.4.tgz
npm http 200 https://registry.npmjs.org/connect/2.6.0
npm http GET https://registry.npmjs.org/connect/-/connect-2.6.0.tgz
npm http 200 https://registry.npmjs.org/debug
npm http GET https://registry.npmjs.org/debug/-/debug-0.7.0.tgz
npm http 200 https://registry.npmjs.org/underscore
npm http GET https://registry.npmjs.org/underscore/-/underscore-1.4.2.tgz
npm http 200 https://registry.npmjs.org/optparse/1.0.3
npm http GET https://registry.npmjs.org/optparse/-/optparse-1.0.3.tgz
npm http 200 https://registry.npmjs.org/redis/0.7.2
npm http GET https://registry.npmjs.org/redis/-/redis-0.7.2.tgz
npm http 200 https://registry.npmjs.org/socket.io-client/0.9.10
npm http GET https://registry.npmjs.org/socket.io-client/-/socket.io-client-0.9.10.tgz
npm http 200 https://registry.npmjs.org/uglify-js/1.2.6
npm http GET https://registry.npmjs.org/uglify-js/-/uglify-js-1.2.6.tgz
npm http 200 https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.3.tgz
npm http 200 https://registry.npmjs.org/range-parser/-/range-parser-0.0.4.tgz
npm http 200 https://registry.npmjs.org/coffee-script/-/coffee-script-1.4.0.tgz
npm http 200 https://registry.npmjs.org/stylus/0.27.2
npm http GET https://registry.npmjs.org/stylus/-/stylus-0.27.2.tgz
npm http 200 https://registry.npmjs.org/coffee-script
npm http GET https://registry.npmjs.org/coffee-script/-/coffee-script-1.3.3.tgz
npm http 200 https://registry.npmjs.org/commander/-/commander-0.6.1.tgz
npm http 200 https://registry.npmjs.org/cookie/-/cookie-0.0.4.tgz
npm http 200 https://registry.npmjs.org/crc/-/crc-0.2.0.tgz
npm http 200 https://registry.npmjs.org/fresh/-/fresh-0.1.0.tgz
npm http 200 https://registry.npmjs.org/methods/-/methods-0.0.1.tgz
npm http 200 https://registry.npmjs.org/policyfile/-/policyfile-0.0.4.tgz
npm http 200 https://registry.npmjs.org/send/-/send-0.1.0.tgz
npm http 200 https://registry.npmjs.org/connect/-/connect-2.6.0.tgz
npm http 200 https://registry.npmjs.org/debug/-/debug-0.7.0.tgz
npm http 200 https://registry.npmjs.org/underscore/-/underscore-1.4.2.tgz
npm http 200 https://registry.npmjs.org/optparse/-/optparse-1.0.3.tgz
npm http 200 https://registry.npmjs.org/redis/-/redis-0.7.2.tgz
npm http 200 https://registry.npmjs.org/socket.io-client/-/socket.io-client-0.9.10.tgz
npm http 200 https://registry.npmjs.org/uglify-js/-/uglify-js-1.2.6.tgz
npm http 200 https://registry.npmjs.org/stylus/-/stylus-0.27.2.tgz
npm http 200 https://registry.npmjs.org/coffee-script/-/coffee-script-1.3.3.tgz
npm http GET https://registry.npmjs.org/mime/1.2.6
npm http GET https://registry.npmjs.org/qs/0.5.1
npm http GET https://registry.npmjs.org/formidable/1.0.11
npm http GET https://registry.npmjs.org/bytes/0.1.0
npm http GET https://registry.npmjs.org/send/0.0.4
npm http GET https://registry.npmjs.org/pause/0.0.1
npm http 200 https://registry.npmjs.org/qs/0.5.1
npm http GET https://registry.npmjs.org/qs/-/qs-0.5.1.tgz
npm http 200 https://registry.npmjs.org/formidable/1.0.11
npm http GET https://registry.npmjs.org/formidable/-/formidable-1.0.11.tgz
npm http 200 https://registry.npmjs.org/mime/1.2.6
npm http GET https://registry.npmjs.org/mime/-/mime-1.2.6.tgz
npm http 200 https://registry.npmjs.org/pause/0.0.1
npm http GET https://registry.npmjs.org/pause/-/pause-0.0.1.tgz
npm http 200 https://registry.npmjs.org/bytes/0.1.0
npm http GET https://registry.npmjs.org/bytes/-/bytes-0.1.0.tgz
npm http 200 https://registry.npmjs.org/send/0.0.4
npm http GET https://registry.npmjs.org/send/-/send-0.0.4.tgz
npm http 200 https://registry.npmjs.org/qs/-/qs-0.5.1.tgz
npm http 200 https://registry.npmjs.org/formidable/-/formidable-1.0.11.tgz
npm http 200 https://registry.npmjs.org/mime/-/mime-1.2.6.tgz
npm http 200 https://registry.npmjs.org/pause/-/pause-0.0.1.tgz
npm http 200 https://registry.npmjs.org/bytes/-/bytes-0.1.0.tgz
npm http 200 https://registry.npmjs.org/send/-/send-0.0.4.tgz
npm http GET https://registry.npmjs.org/mime/1.2.6
npm http 304 https://registry.npmjs.org/mime/1.2.6
npm http GET https://registry.npmjs.org/debug
npm http GET https://registry.npmjs.org/cssom
npm http GET https://registry.npmjs.org/mkdirp
npm http 200 https://registry.npmjs.org/mkdirp
npm http GET https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.4.tgz
npm http 200 https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.4.tgz
npm http 304 https://registry.npmjs.org/debug
npm http 200 https://registry.npmjs.org/cssom
npm http GET https://registry.npmjs.org/cssom/-/cssom-0.2.5.tgz
npm http 200 https://registry.npmjs.org/cssom/-/cssom-0.2.5.tgz
npm http GET https://registry.npmjs.org/uglify-js/1.2.5
npm http GET https://registry.npmjs.org/ws
npm http GET https://registry.npmjs.org/xmlhttprequest/1.4.2
npm http GET https://registry.npmjs.org/active-x-obfuscator/0.0.1
npm http 200 https://registry.npmjs.org/uglify-js/1.2.5
npm http GET https://registry.npmjs.org/uglify-js/-/uglify-js-1.2.5.tgz
npm http 200 https://registry.npmjs.org/xmlhttprequest/1.4.2
npm http GET https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.4.2.tgz
npm http 200 https://registry.npmjs.org/active-x-obfuscator/0.0.1
npm http GET https://registry.npmjs.org/active-x-obfuscator/-/active-x-obfuscator-0.0.1.tgz
npm http 200 https://registry.npmjs.org/ws
npm http GET https://registry.npmjs.org/ws/-/ws-0.4.22.tgz
npm http 200 https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.4.2.tgz
npm http 200 https://registry.npmjs.org/uglify-js/-/uglify-js-1.2.5.tgz
npm http 200 https://registry.npmjs.org/active-x-obfuscator/-/active-x-obfuscator-0.0.1.tgz
npm http 200 https://registry.npmjs.org/ws/-/ws-0.4.22.tgz
npm http GET https://registry.npmjs.org/zeparser/0.0.5
npm http GET https://registry.npmjs.org/commander
npm http GET https://registry.npmjs.org/tinycolor
npm http GET https://registry.npmjs.org/options
npm http 200 https://registry.npmjs.org/zeparser/0.0.5
npm http GET https://registry.npmjs.org/zeparser/-/zeparser-0.0.5.tgz
npm http 200 https://registry.npmjs.org/tinycolor
npm http GET https://registry.npmjs.org/tinycolor/-/tinycolor-0.0.1.tgz
npm http 200 https://registry.npmjs.org/options
npm http GET https://registry.npmjs.org/options/-/options-0.0.3.tgz
npm http 200 https://registry.npmjs.org/zeparser/-/zeparser-0.0.5.tgz
npm http 200 https://registry.npmjs.org/tinycolor/-/tinycolor-0.0.1.tgz
npm http 200 https://registry.npmjs.org/options/-/options-0.0.3.tgz
npm http 200 https://registry.npmjs.org/commander

> ws@0.4.22 install /usr/local/lib/node_modules/ethercalc/node_modules/zappajs/node_modules/socket.io/node_modules/socket.io-client/node_modules/ws
> node install.js

[ws v0.4.22] Attempting to compile blazing fast native extensions.
[ws v0.4.22] Native code compile failed (but the module will still work):
[ws v0.4.22] The native extensions are faster, but not required.
[ws v0.4.22] On Windows, native extensions require Visual Studio and Python.
[ws v0.4.22] On Unix, native extensions require Python, make and a C++ compiler.
[ws v0.4.22] Start npm with --ws:verbose to show compilation output (if any).
/usr/local/bin/ethercalc -> /usr/local/lib/node_modules/ethercalc/bin/ethercalc
ethercalc@0.20121026.162049 /usr/local/lib/node_modules/ethercalc 
├── uuid-pure@1.0.10
├── redis@0.8.1
├── optimist@0.3.5 (wordwrap@0.0.2)
├── hiredis@0.1.14
└── zappajs@0.4.12



C'est bien joli, mais déjà on le lance en root ce qui n'est pas jojo et on est obligé de lancer le script à la main...
C'est pas très optimisé...
On crée un user Ethercalc et on donne les droits adéquats.
root@ubuntults:~# useradd ethercalc

root@ubuntults:~# chown -R ethercalc /opt/ethercalc


On crée maintenant un script d'init afin de pouvoir lancer Ethercalc en tant que daemon
Ce script nous permet de lancer ethercalc en tant que ethercalc et aussi de pouvoir la lancer au demmarage.

#!/bin/sh

### BEGIN INIT INFO
# Provides: ethercalc
# Required-Start: $local_fs $remote_fs $network $syslog
# Required-Stop: $local_fs $remote_fs $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: starts ethercalc
# Description: starts ethercalc lite using start-stop-daemon
### END INIT INFO

PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/opt/node/bin"
LOGFILE="/var/log/ethercalc.log"
EPLITE_DIR="/usr/local/bin/"
EPLITE_BIN="ethercalc"
USER="ethercalc"
GROUP="ethercalc"
DESC="Ethercalc"
NAME="ethercalc"

set -e

. /lib/lsb/init-functions

start() {
 echo "Starting $DESC... "

 start-stop-daemon --start --chuid "$USER:$GROUP" --background --make-pidfile --pidfile /var/run/$NAME.pid --exec $EPLITE_DIR/$EPLITE_BIN -- $LOGFILE || true
 echo "done"
}

#We need this function to ensure the whole process tree will be killed
killtree() {
 local _pid=$1
 local _sig=${2-TERM}
 for _child in $(ps -o pid --no-headers --ppid ${_pid}); do
 killtree ${_child} ${_sig}
 done
 kill -${_sig} ${_pid}
}

stop() {
 echo "Stopping $DESC... "
 while test -d /proc/$(cat /var/run/$NAME.pid); do
 killtree $(cat /var/run/$NAME.pid) 15
 sleep 0.5
 done
 rm /var/run/$NAME.pid
 echo "done"
}

status() {
 status_of_proc -p /var/run/$NAME.pid "" "ethercalc" && exit 0 || exit $?
}

case "$1" in
 start)
 start
 ;;
 stop)
 stop
 ;;
 restart)
 stop
 start
 ;;
 status)
 status
 ;;
 *)
 echo "Usage: $NAME {start|stop|restart|status}" >&2
 exit 1
 ;;
esac

exit 0


On le rend executable.
root@ubuntults:/var/log# chmod +x /etc/init.d/ethercalc

On active le script au démmarage:

 root@ubuntu:/opt/ethercalc# update-rc.d ethercalc defaults
 Adding system startup for /etc/init.d/ethercalc ...
 /etc/rc0.d/K20ethercalc -> ../init.d/ethercalc
 /etc/rc1.d/K20ethercalc -> ../init.d/ethercalc
 /etc/rc6.d/K20ethercalc -> ../init.d/ethercalc
 /etc/rc2.d/S20ethercalc -> ../init.d/ethercalc
 /etc/rc3.d/S20ethercalc -> ../init.d/ethercalc
 /etc/rc4.d/S20ethercalc -> ../init.d/ethercalc
 /etc/rc5.d/S20ethercalc -> ../init.d/ethercalc


root@ubuntults:/var/log# /etc/init.d/ethercalc start

Notre ethercalc est bien lancé

root@ubuntu:/opt/ethercalc# ps aux | grep ethercalc
1001 12154 1.7 7.1 724976 35712 ? Sl 22:09 0:00 node /usr/local/bin//ethercalc /var/log/ethercalc.log
root 12190 0.0 0.1 8104 924 pts/0 S+ 22:10 0:00 grep --color=auto ethercalc


L'interface:

ethercalc interface web



ethercalc interface web
  • La fonction Graphs

Ethercalc interface web



Ethercalc est un outil simple installer, léger,  et agréable à utiliser.
Bien sur il est bien loin des fonctionnalités de Google Docs ou autres, mais il a le mérite d'exister.
Pour un usage ponctuel il est très souvent suffisant.
Surtout le plus important c'est qu'il est installé sur vos serveurs.

Ethercalc est un moteur, après il faut faire toute l'intégration CMS autour.

Quelques projets existent déjà:



29 octobre 2012 15 commentaires
Fil RSS des articles