diff --git a/doc/bash_tips.md b/doc/bash_tips.md
index 6a1f84f..485eb10 100644
--- a/doc/bash_tips.md
+++ b/doc/bash_tips.md
@@ -61,3 +61,5 @@ count=$((count+1))
     >&2 echo $code
   fi
 ```
+
+## sudo -E or better source if already root
diff --git a/doc/index.md b/doc/index.md
index 0d87ecc..929edac 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -1,10 +1,10 @@
 # Documentation
 
-## Initiate
+## Initiate again
 
 Rk: useful when timezone has changed or ghostty command has been installed afterwards
 
-`miaou-bash --self-upgrade`
+`miaou-bash --self-upgrade` #TODO: does not apply anymore
 
 ## debug, use of MIAOU_DEBUG
 
diff --git a/lib/initiate.bash b/lib/initiate.bash
index fcc21f6..9ef1941 100644
--- a/lib/initiate.bash
+++ b/lib/initiate.bash
@@ -54,10 +54,10 @@ function fix_users_bashrc {
         >&2 echo "WARN: .bashrc for user <$user> has forked from skeleton, please resolve conflict manually from backup: $backup"
       fi
     done
-    sudo mv /etc/skel/.bashrc /etc/skel/.bashrc.ORIGINAL
+    mv /etc/skel/.bashrc /etc/skel/.bashrc.ORIGINAL
     echo 'fixing users .bashrc...DONE'
   fi
-  sudo ln -sf "$MIAOU_BASH_DIR"/etc/skel/.bashrc /etc/skel/.bashrc
+  ln -sf "$MIAOU_BASH_DIR"/etc/skel/.bashrc /etc/skel/.bashrc
 }
 
 function link_etc {
@@ -66,23 +66,23 @@ function link_etc {
 
   if [[ -L "$target" ]]; then
     if [[ "$(readlink "$target")" != "$source" ]]; then
-      sudo ln -sf "$source" "$target"
+      ln -sf "$source" "$target"
       echo "link $target updated"
     fi
   else
     if [[ -f "$target" ]]; then
-      sudo mv "$target" "$target$BACKUP_SUFFIX"
+      mv "$target" "$target$BACKUP_SUFFIX"
       echo "$target$BACKUP_SUFFIX saved!"
     fi
-    sudo mkdir -p "$(dirname "$target")"
-    sudo ln -s "$source" "$target"
+    mkdir -p "$(dirname "$target")"
+    ln -s "$source" "$target"
     echo "link $target created"
   fi
 }
 
 function arch_profile {
   if ! cmp -s /etc/profile "$MIAOU_BASH_DIR"/etc/profile.arch; then
-    sudo cp "$MIAOU_BASH_DIR"/etc/profile.arch /etc/profile
+    cp "$MIAOU_BASH_DIR"/etc/profile.arch /etc/profile
     echo 'arch /etc/profile fixed!'
   fi
 }
@@ -195,14 +195,14 @@ function ghostty_global_config {
 }
 
 function link_bin_scripts {
-  sudo ln -sf "$MIAOU_BASH_DIR"/bin/miaou-bash /usr/bin/
-  sudo ln -sf "$MIAOU_BASH_DIR"/bin/pkg_add /usr/bin/
+  ln -sf "$MIAOU_BASH_DIR"/bin/miaou-bash /usr/bin/
+  ln -sf "$MIAOU_BASH_DIR"/bin/pkg_add /usr/bin/
 }
 
 function create_sudoers {
   if [[ ! -f /etc/sudoers.d/miaou-bash ]]; then
-    echo 'Defaults:%sudo env_keep += "MIAOU_BASH_DIR"' | sudo tee /etc/sudoers.d/miaou-bash >/dev/null
-    sudo chmod 440 /etc/sudoers.d/miaou-bash
+    echo 'Defaults:%sudo env_keep += "MIAOU_BASH_DIR"' >/etc/sudoers.d/miaou-bash
+    chmod 440 /etc/sudoers.d/miaou-bash
   fi
 }
 
@@ -222,8 +222,8 @@ function launch_hooks {
 
 function apply_mode {
   if [[ "$MIAOU_BASH_MODE" == hosted ]]; then
-    sudo mkdir /var/lib/miaou-bash -p
-    sudo cp "$MIAOU_BASH_DIR"/.semver_git_tag /var/lib/miaou-bash/semver_current
+    mkdir /var/lib/miaou-bash -p
+    cp "$MIAOU_BASH_DIR"/.semver_git_tag /var/lib/miaou-bash/semver_current
   fi
 }
 
@@ -232,7 +232,7 @@ function fix_locales {
   declare -a expected_locales=(en_US.utf8 es_ES.utf8 fr_FR.utf8)
   declare -A found_locales
   for locale in "${expected_locales[@]}"; do found_locales["$locale"]=false; done
-  mapfile -t gen_locales < <(sudo locale -a)
+  mapfile -t gen_locales < <(locale -a)
   for locale in "${gen_locales[@]}"; do
     if [[ -v found_locales["$locale"] ]]; then found_locales["$locale"]=true; fi
   done
@@ -245,7 +245,7 @@ function fix_locales {
     fi
   done
   if [[ "$should_regenerate" == 'true' ]]; then
-    sudo locale-gen
+    locale-gen
   fi
 }