Bonjour messieurs,
c’est marrant mais j’ai toujours un blème avec la migration vers une release majeure 
Voici ce que j’ai en lancant le dernier “installer” :
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Reading task descriptions…
The following NEW packages will be installed:
apache2-utils{a} bm-admin-console{a} bm-calendar{a} bm-client-access{a}
bm-conf{a} bm-connector-thunderbird{a} bm-contact{a} bm-core{a}
bm-cyrus{a} bm-cyrus-imapd{a} bm-dav{a} bm-default-app{a} bm-eas{a}
bm-elasticsearch{a} bm-full bm-hps{a} bm-im{a} bm-installation-wizard{a}
bm-ips{a} bm-jdk{a} bm-lmtpd{a} bm-locator{a} bm-mq{a} bm-node{a}
bm-postfix{a} bm-settings{a} bm-storage{a} bm-tika{a} bm-tomcat{a}
bm-webmail{a} bm-xmpp{a} ca-certificates-java{a} cyrus-common{a}
cyrus-common-2.4{a} fontconfig-config{a} htop{a} icedtea-6-jre-cacao{a}
icedtea-6-jre-jamvm{a} iftop{a} java-common{a} libaio1{a} libapr1{a}
libaprutil1{a} libavahi-client3{a} libavahi-common-data{a}
libavahi-common3{a} libcups2{a} libcurl3{a} libfontconfig1{a}
libgd2-noxpm{ab} libgd2-xpm{ab} libicu48{a} libjpeg8{a} liblcms2-2{a}
libltdl7{a} libmcrypt4{a} libnspr4{a} libnss3{a} libnss3-1d{a}
libonig2{a} libpcap0.8{a} libperl5.14{a} libpq5{a} libqdbm14{a}
librtmp0{a} libsensors4{a} libsnmp-base{a} libsnmp15{a} libssh2-1{a}
libxpm4{a} libxslt1.1{a} libzephyr4{a} memcached{a} nginx{a}
nginx-common{a} nginx-full{a} openjdk-6-jre-headless{a}
openjdk-6-jre-lib{a} php-apc{a} php-db{a} php-pear{a} php5-cli{a}
php5-common{a} php5-curl{a} php5-fpm{a} php5-gd{a} php5-intl{a}
php5-mcrypt{a} php5-memcache{a} php5-pgsql{a} postgresql-9.1{a}
postgresql-client-9.1{a} postgresql-client-common{a} postgresql-common{a}
rsync{a} strace{a} sudo{a} sysstat{a} ttf-dejavu-core{a} tzdata-java{ab}
ysnp{a}
0 packages upgraded, 101 newly installed, 0 to remove and 0 not upgraded.
Need to get 68.8 MB/700 MB of archives. After unpacking 1,152 MB will be used.
The following packages have unmet dependencies:
tzdata-java : Depends: tzdata (= 2014a-0wheezy1) but 2014c-0wheezy1 is installed.
libgd2-xpm : Conflicts: libgd2 which is a virtual package.
Conflicts: libgd2-noxpm but 2.0.36~rc1~dfsg-6.1 is to be installed.
libgd2-noxpm : Conflicts: libgd2 which is a virtual package.
Conflicts: libgd2-xpm but 2.0.36~rc1~dfsg-6.1 is to be installed.
The following actions will resolve these dependencies:
Keep the following packages at their current version:
-
bm-admin-console [Not Installed] -
bm-calendar [Not Installed] -
bm-contact [Not Installed] -
bm-core [Not Installed] -
bm-cyrus [Not Installed] -
bm-dav [Not Installed] -
bm-default-app [Not Installed] -
bm-eas [Not Installed] -
bm-elasticsearch [Not Installed] -
bm-full [Not Installed] -
bm-hps [Not Installed] -
bm-im [Not Installed] -
bm-installation-wizard [Not Installed] -
bm-ips [Not Installed] -
bm-jdk [Not Installed] -
bm-lmtpd [Not Installed] -
bm-locator [Not Installed] -
bm-mq [Not Installed] -
bm-node [Not Installed] -
bm-settings [Not Installed] -
bm-tika [Not Installed] -
bm-tomcat [Not Installed] -
bm-webmail [Not Installed] -
bm-xmpp [Not Installed] -
ca-certificates-java [Not Installed] -
icedtea-6-jre-cacao [Not Installed] -
icedtea-6-jre-jamvm [Not Installed] -
libgd2-xpm [Not Installed] -
openjdk-6-jre-headless [Not Installed] -
openjdk-6-jre-lib [Not Installed] -
php5-gd [Not Installed] -
tzdata-java [Not Installed] -
ysnp [Not Installed]
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
Writing extended state information…
Reading package lists…
Building dependency tree…
Reading state information…
Reading extended state information…
Initializing package states…
Reading task descriptions…
########################################
BlueMind installation is successful.
Connect to https://uruviel.mclabosse.fr/setup/ to complete your setup
########################################
En clair, je suis trop upToDate 
La solution :
-
Télécharger l’ancienne version (2014a)
wget http://ftp.us.debian.org/debian/pool/main/t/tzdata/tzdata_2014a-0wheezy1_all.deb -
L’installer
dpkg -i /tzdata_2014a-0wheezy1_all.deb -
Supprimer le “/var/spool/bluemind-pkgs”
-
Rejouer l’“installer”