diff --git a/README.md b/README.md
index 05ba8a0..d7ae202 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,13 @@
 | ![alt text][logo] | Integration & Securite Systeme |
 | ------------- |:-------------:|
 
-# Login Alert
-This script is used to update Linux systems (Ubuntu and Debian). It is a script to launch the apt-get by generating execution logs. It allows better control for technicians who do not know Linux.
+# Majserver
+This script is used to update Linux systems (Ubuntu and Debian) with the apt-get command. A basic script, but which allows you to,
+
+- Speed up the update by forcing the use of IPv4 only.
+- Generate an execution log for logging.
+- Allows better control for technicians unfamiliar with Linux.
+- Prevents the execution of some tasks if a restart of the system is necessary. 
 
 ---
 [logo]: ./md/logo.png "Cybionet"
diff --git a/bin/majserver.sh b/bin/majserver.sh
new file mode 100644
index 0000000..fb67d9a
--- /dev/null
+++ b/bin/majserver.sh
@@ -0,0 +1,179 @@
+#! /bin/bash
+#set -x
+# * **************************************************************************
+# * Creation:           (c) 2004-2021  Cybionet - Ugly Codes Division
+# *
+# * File:               majserver.sh
+# * Version:            0.1.12b
+# *
+# * Comment:            Tool to configure update system.
+# *
+# * Date: December 16, 2017
+# * Modification: November 25, 2021
+# *
+# * **************************************************************************
+# * chmod 500 majserver.sh
+# ****************************************************************************
+
+
+#############################################################################################
+# ## CONSTANTS
+
+# ## Location of the log file.
+readonly APTLOG='/var/log/maj-update.log'
+
+# ## Force use of IPv4. To disable this option empty the variable.
+readonly FORCEIPV4='-o Acquire::ForceIPv4=true'
+
+
+#############################################################################################
+# ## VARIABLES
+
+# ## Retrieval of date and year
+aptDate=$(date +%Y-%m-%d)
+appYear=$(date +%Y)
+
+# ## Application informations.
+appHeader="(c) 2004-${appYear}  Cybionet - Ugly Codes Division"
+readonly appVersion='0.1.12b'
+
+
+#############################################################################################
+# ## VERIFICATION
+
+# ## Check if the script are running under root user.
+if [ "${EUID}" -ne '0' ] ; then
+ echo -e "\n\e[34m${appHeader}\e[0m\n"
+ echo -e "\n\n\n\e[33mCAUTION: This script must be run as root.\e[0m"
+ exit 0
+else
+ echo -e "\n\e[34m${appHeader}\e[0m\n"
+fi
+
+
+#############################################################################################
+# ## FUNCTIONS
+
+# ## Show warning to remember to take snapshot.
+function reminderCheck() {
+ echo -n -e "\e[38;5;208mWARNING:\e[0m Have you taken the snapshot of the virtual machine before updating it? [y|N] "
+ read ANSWER
+ if [ "${ANSWER}" != 'y' ]; then
+   echo 'Have a nice day!'
+   exit 0
+ fi
+}
+
+# ## Launch update.
+function aptUpdate() {
+ apt-get update "${FORCEIPV4}"
+ echo "${aptDate} - UpDate Repository" >> "${APTLOG}"
+}
+
+# ## Launch upgrade.
+function aptUpgrade() {
+ reminderCheck
+ apt-get upgrade "${FORCEIPV4}"
+ echo "${aptDate} - UpGrade System" >> "${APTLOG}"
+}
+
+# ## Launch dist-upgrade.
+function aptDistUpgrade() {
+ reminderCheck
+ apt-get dist-upgrade "${FORCEIPV4}"
+ echo "${aptDate} - Distribution UpGrade" >> "${APTLOG}"
+}
+
+# ## Launch autoremove.
+function autoRemove() {
+ if [ -f '/var/run/reboot-required' ]; then
+   echo -e "\e[38;5;208mWARNING: Reboot the system before removing old package.\e[0m"
+   exit 0
+ fi
+
+ echo -n -e "\n\e[38;5;208mWARNING:\e[0m Are you sure you want to do this? [y|N] "
+ read ANSWER
+ if [ "${ANSWER}" != 'y' ]; then
+   echo 'Have a nice day!'
+   exit 0
+ fi
+
+ apt-get autoremove
+ echo "${aptDate} - Autoremove Packages" >> "${APTLOG}"
+}
+
+# ## Launch autoclean.
+function autoClean() {
+ if [ -f '/var/run/reboot-required' ]; then
+   echo -e "\e[38;5;208mWARNING: Reboot the system before cleaning archive packages.\e[0m"
+   exit 0
+ fi
+
+ apt-get autoclean
+ echo "${aptDate} - Autoclean Archive Packages" >> "${APTLOG}"
+}
+
+# ## Check if intervention is necessairy.
+function aptCheck() {
+ apt-get check
+}
+
+# ## Show the content of the log.
+function showlog() {
+ cat "${APTLOG}"
+}
+
+# ## Show the version of this app (hidden option).
+function version() {
+ echo -e "Version: ${appVersion}\n"
+}
+
+# ## Check if the system requires a reboot.
+# ## Result: 0 (Ok), 1 (Reboot).
+function rebootNeeded() {
+ if [ -f '/var/run/reboot-required' ]; then
+   echo -e "\e[38;5;208mWARNING: A system restart is required.\e[0m"
+ fi
+}
+
+
+#############################################################################################
+# ## MENU
+
+case "${1}" in
+  update)
+        aptUpdate
+  ;;
+  upgrade)
+        aptUpdate
+        aptUpgrade
+        rebootNeeded
+  ;;
+  distupgrade|dist-upgrade)
+        aptDistUpgrade
+        rebootNeeded
+  ;;
+  autoremove)
+        autoRemove
+  ;;
+  autoclean)
+        autoClean
+  ;;
+  check)
+        aptCheck
+  ;;
+  showlog)
+       showlog
+  ;;
+  version)
+        version
+  ;;
+  *)
+  echo 'Options: update |  upgrade | dist-upgrade | autoremove | autoclean | check | showlog'
+  ;;
+esac
+
+# ## Exit.
+exit 0
+
+# ## END
diff --git a/md/logo.png b/md/logo.png
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