diff --git a/challenge.yml b/challenge.yml
index 293d931..f112706 100644
--- a/challenge.yml
+++ b/challenge.yml
@@ -1,6 +1,6 @@
 init:
-  - nemunaire/challenge:83269c87e08c786a8f865882bc34bd38f8d8b120
-  - nemunaire/adlin-shadow-up:c5e6c7f7afff788f6429a0ad1a7be982a47d5410
+  - nemunaire/challenge:64dfdf00665351139e74647ab57b12008a7ac87b
+  - nemunaire/adlin-shadow-up:b368191dfd79645f3eca099a00bef8dfcdb7a2e9
 
 files:
   - path: etc/motd
@@ -72,25 +72,6 @@ files:
   - path: init
     source: pkg/challenge/init
     mode: "0755"
-  - path: root/.ash_history
-    contents: |
-      cat my_ip
-      ip a
-      man 6 adlin
-    mode: "0644"
-  - path: etc/profile.d/cmd-colors.sh
-    contents: |
-      alias ip="ip -c"
-      alias ls="ls -c"
-
-      export LESS_TERMCAP_mb=$(printf "\e[1;37m")
-      export LESS_TERMCAP_md=$(printf "\e[1;36m")
-      export LESS_TERMCAP_me=$(printf "\e[0m")
-      export LESS_TERMCAP_se=$(printf "\e[0m")
-      export LESS_TERMCAP_so=$(printf "\e[1;47;30m")
-      export LESS_TERMCAP_ue=$(printf "\e[0m")
-      export LESS_TERMCAP_us=$(printf "\e[1;32m")
-    mode: "0644"
   - path: sbin/fakelogin
     contents: |
       #!/bin/sh
diff --git a/login.yml b/login.yml
index eaa47bb..4281c04 100644
--- a/login.yml
+++ b/login.yml
@@ -1,6 +1,6 @@
 init:
   - busybox
-  - nemunaire/adlin-login-app:8b08f3038128bacbbc939fc7a7a460723d80c3d4
+  - nemunaire/adlin-login-app:4862e66e6cbd283342632117f6be0bcf88db3d17
 
 files:
   - path: /etc/ssl/certs/ISRG_Root_X1.pem
diff --git a/pkg/challenge/Dockerfile b/pkg/challenge/Dockerfile
index 0c7752c..df82476 100644
--- a/pkg/challenge/Dockerfile
+++ b/pkg/challenge/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17 AS mirror
+FROM alpine:edge AS mirror
 
 RUN mkdir -p /out/etc/apk/ && \
     cp /etc/apk/repositories /out/etc/apk/ && \
@@ -34,7 +34,6 @@ RUN apk add --no-cache --initdb -p /out \
     kbd-bkeymaps \
     kbd-doc \
     kbd-vlock \
-    less \
     losetup \
     mandoc \
     man-pages \
diff --git a/pkg/challenge/init b/pkg/challenge/init
index 960a92d..73fa17d 100755
--- a/pkg/challenge/init
+++ b/pkg/challenge/init
@@ -3,9 +3,7 @@
 mount -t proc proc /proc
 mount -t sysfs sysfs /sys
 
-rm /dev/null; mknod -m 0666 /dev/null c 1 3
-rm /dev/zero; mknod -m 0666 /dev/zero c 1 5
-
+/bin/busybox --install -s
 ln -sf ssmtp /usr/sbin/sendmail
 
 mdev -s
@@ -66,6 +64,9 @@ done
 /usr/bin/setsid /bin/shadow-up > /dev/null 2> /var/log/sup.log &
 
 # Prepare bonus 2
+rm /dev/null; mknod -m 0666 /dev/null c 1 3
+rm /dev/zero; mknod -m 0666 /dev/zero c 1 5
+
 mkdir -p /mnt
 
 for l in a b c d e f g h i j k l m n o p q r s t u v w x y z zz; do
diff --git a/pkg/login-app/Dockerfile b/pkg/login-app/Dockerfile
index 9172908..e4c60e6 100644
--- a/pkg/login-app/Dockerfile
+++ b/pkg/login-app/Dockerfile
@@ -11,8 +11,6 @@ ADD cmd ./
 
 RUN go build -v -ldflags="-s -w" -tags netgo -o login-app
 
-RUN apk add --no-cache kbd
-
 
 FROM alpine:3.17
 MAINTAINER Pierre-Olivier Mercier <nemunaire@nemunai.re>
@@ -23,7 +21,5 @@ COPY --from=gobuild /go/src/login-app/login-app /bin/login-app
 COPY --from=gobuild /usr/share/udhcpc/default.script /usr/share/udhcpc/default.script
 COPY --from=gobuild /etc/terminfo/l/linux /etc/terminfo/l/linux
 COPY --from=gobuild /usr/share/terminfo/l/linux /usr/share/terminfo/l/linux
-COPY --from=gobuild /usr/bin/loadkeys /usr/bin/loadkeys
-COPY --from=gobuild /usr/share/keymaps/xkb/fr.map.gz /usr/share/keymaps/xkb/us.map.gz /usr/share/keymaps/xkb/fr-bepo.map.gz /usr/share/keymaps/xkb/us-colemak.map.gz /usr/share/keymaps/xkb/
 
 ENTRYPOINT ["/bin/login-app"]
diff --git a/pkg/login-app/cmd/dialog-login.go b/pkg/login-app/cmd/dialog-login.go
index c4747bd..d6138c1 100644
--- a/pkg/login-app/cmd/dialog-login.go
+++ b/pkg/login-app/cmd/dialog-login.go
@@ -14,9 +14,6 @@ func CreateLoginDialog(app *tview.Application, next func(username, password stri
 				form.GetFormItemByLabel("Login").(*tview.InputField).GetText(),
 				form.GetFormItemByLabel("Password").(*tview.InputField).GetText(),
 			)
-		}).
-		AddButton("Settings...", func() {
-			goToSettings(app)
 		})
 	form.SetBorder(true).SetTitle(" SRS Adlin - Login ")
 
diff --git a/pkg/login-app/cmd/dialog-settings.go b/pkg/login-app/cmd/dialog-settings.go
deleted file mode 100644
index 54bc619..0000000
--- a/pkg/login-app/cmd/dialog-settings.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package main
-
-import (
-	"os/exec"
-
-	"github.com/rivo/tview"
-)
-
-var LastKeymap = 0
-
-func goToSettings(app *tview.Application) {
-	var form *tview.Form
-	form = tview.NewForm().
-		AddDropDown("Keymap", []string{"QWERTY us", "AZERTY fr", "BÉPO", "Colemak us"}, LastKeymap, nil).
-		AddButton("    Save config    ", func() {
-			if kbmap, _ := form.GetFormItemByLabel("Keymap").(*tview.DropDown).GetCurrentOption(); LastKeymap != kbmap {
-				file := "/usr/share/keymaps/xkb/"
-
-				switch kbmap {
-				case 1:
-					file += "fr.map.gz"
-				case 2:
-					file += "fr-bepo.map.gz"
-				case 3:
-					file += "us-colemak.map.gz"
-				default:
-					file += "us.map.gz"
-				}
-
-				exec.Command("/usr/bin/loadkeys", file).Run()
-				LastKeymap = kbmap
-			}
-			askLogin(app)
-		})
-	form.GetFormItemByLabel("Keymap").(*tview.DropDown).SetFieldWidth(25)
-	form.SetBorder(true).SetTitle(" SRS Adlin - Settings ")
-
-	app.SetRoot(modal(form, 25, 7), true)
-	app.SetFocus(form)
-
-	return
-}
diff --git a/pkg/login-app/cmd/dialog-uefi.go b/pkg/login-app/cmd/dialog-uefi.go
index 9d97e25..3ec4528 100644
--- a/pkg/login-app/cmd/dialog-uefi.go
+++ b/pkg/login-app/cmd/dialog-uefi.go
@@ -6,7 +6,7 @@ import (
 
 func CreateUEFIDialog(app *tview.Application, next func()) {
 	modal := tview.NewModal().
-		SetText("This machine does not boot in UEFI mode!\nYou should reboot now, enter UEFI Setup (F2) and disable Legacy boot. Or choose another machine, that boot in UEFI.").
+		SetText("Not UEFI boot\nYou should reboot, enter UEFI Setup (F2) and disable Legacy boot").
 		AddButtons([]string{"Reboot", "Ignore"}).
 		SetDoneFunc(func(buttonIndex int, buttonLabel string) {
 			if buttonLabel == "Reboot" {
diff --git a/pkg/login-validator/cmd/main.go b/pkg/login-validator/cmd/main.go
index b13c5a6..3d399e5 100644
--- a/pkg/login-validator/cmd/main.go
+++ b/pkg/login-validator/cmd/main.go
@@ -100,7 +100,7 @@ func main() {
 
 	log.Println("Registering handlers...")
 	mux := http.NewServeMux()
-	mux.Handle("/login", &lc)
+	mux.Handle("/login", lc)
 	mux.HandleFunc("/logout", logout)
 	mux.HandleFunc("/passwd", passwd)
 	http.HandleFunc("/", mux.ServeHTTP)
@@ -119,8 +119,6 @@ mloop:
 			log.Println("Reloading students files...")
 			if lc.students, err = readStudentsList(studentsFile); err != nil {
 				log.Println("Error during students.csv reload:", err)
-			} else {
-				log.Printf("Students reloaded: %d students allowed to login", len(lc.students))
 			}
 		case syscall.SIGTERM, syscall.SIGINT:
 			break mloop
diff --git a/pkg/shadow-up/Dockerfile b/pkg/shadow-up/Dockerfile
index 7856e0f..5814f81 100644
--- a/pkg/shadow-up/Dockerfile
+++ b/pkg/shadow-up/Dockerfile
@@ -12,7 +12,7 @@ ADD cmd ./
 RUN go build -v -ldflags="-s -w" -tags netgo -o shadow-up
 
 
-FROM scratch
+FROM alpine:3.17
 MAINTAINER Pierre-Olivier Mercier <nemunaire@nemunai.re>
 
 COPY --from=gobuild /go/src/shadow-up/shadow-up /bin/shadow-up
diff --git a/server.yml b/server.yml
index a89af80..0793a7e 100644
--- a/server.yml
+++ b/server.yml
@@ -153,7 +153,7 @@ services:
     command: ["/bin/arp-spoofer", "-iface=br-ext", "-ip-spoof=172.17.0.15"]
 
   - name: login-validator
-    image: nemunaire/adlin-login-validator:277f96ed66533497364804a551c91f1ffeafd40d
+    image: nemunaire/adlin-login-validator:a74d2aa0973c54ee79fb71211327f67e60537192
 #    command: ["/bin/login-validator", "-bind=:8081", "-auth=ldap", "-ldaphost=auth.cri.epita.net", "-ldapport=636", "-ldaptls", "-ldapbase=dc=epita,dc=net"]
     command: ["/bin/login-validator", "-bind=:8081", "-auth=krb5", "-krb5realm=CRI.EPITA.FR"]
 #    command: ["/bin/login-validator", "-bind=:8081", "-auth=fwd", "-fwduri=https://adlin.nemunai.re/auth"]
diff --git a/subject/adlin.6.md b/subject/adlin.6.md
index 6c5b7dc..9279b6a 100644
--- a/subject/adlin.6.md
+++ b/subject/adlin.6.md
@@ -201,27 +201,27 @@ aux prochains TP.
 
 # HISTORIQUE
 
-*2023* - Sixième édition du cours à destination des SRS 2024.
+2023 - Sixième édition du cours à destination des SRS 2024.
 
     Immersion encore plus grande dans le SI ?
 
-*2022* - Cinquième édition du cours à destination des SRS 2023.
+2022 - Cinquième édition du cours à destination des SRS 2023.
 
     Travail sur le réalisme des exercices.
 
-*2021* - Quatrième édition du cours à destination des SRS 2022.
+2021 - Quatrième édition du cours à destination des SRS 2022.
 
     Introduction de références à Matrix.
 
-*2020* - Troisième édition du cours à destination des SRS 2021.
+2020 - Troisième édition du cours à destination des SRS 2021.
 
     Des étudiants avec involontairement de bonnes idées d'exercices supplémentaires.
 
-*2019* - Deuxième édition du cours à destination des SRS 2020.
+2019 - Deuxième édition du cours à destination des SRS 2020.
 
     Le chaos s'est un peu trop invité.
 
-*2018* - Première édition du cours à destination des SRS 2019.
+2018 - Première édition du cours à destination des SRS 2019.
 
     Oops la salle machine...