diff --git a/src/bookstack/install-service.sh b/src/bookstack/install-service.sh
index 1ac181a..00d0626 100644
--- a/src/bookstack/install-service.sh
+++ b/src/bookstack/install-service.sh
@@ -20,7 +20,7 @@ DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq zip u
 wget -O /opt/wkhtmltox_0.12.6-1.buster_amd64.deb https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.buster_amd64.deb
 DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq /opt/wkhtmltox_0.12.6-1.buster_amd64.deb
 
-mkdir /etc/nginx/ssl
+mkdir -p /etc/nginx/ssl
 openssl req -x509 -nodes -days 3650 -newkey rsa:4096 -keyout /etc/nginx/ssl/open3a.key -out /etc/nginx/ssl/open3a.crt -subj "/CN=$LXC_HOSTNAME.$LXC_DOMAIN" -addext "subjectAltName=DNS:$LXC_HOSTNAME.$LXC_DOMAIN"
 
 PHP_VERSION=$(php -v | head -1 | cut -d ' ' -f2)
diff --git a/src/kimai/install-service.sh b/src/kimai/install-service.sh
index c07e4ed..95f9fd1 100644
--- a/src/kimai/install-service.sh
+++ b/src/kimai/install-service.sh
@@ -21,7 +21,7 @@ apt update
 
 DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq zip unzip sudo nginx-full mariadb-server mariadb-client php8.1 php8.1-intl php8.1-cli php8.1-fpm php8.1-mysql php8.1-xml php8.1-mbstring php8.1-gd php8.1-tokenizer php8.1-zip php8.1-opcache php8.1-curl
 
-mkdir /etc/nginx/ssl
+mkdir -p /etc/nginx/ssl
 openssl req -x509 -nodes -days 3650 -newkey rsa:4096 -keyout /etc/nginx/ssl/kimai.key -out /etc/nginx/ssl/kimai.crt -subj "/CN=$LXC_HOSTNAME.$LXC_DOMAIN" -addext "subjectAltName=DNS:$LXC_HOSTNAME.$LXC_DOMAIN"
 
 PHP_VERSION=$(php -v | head -1 | cut -d ' ' -f2)
diff --git a/src/matrix/install-service.sh b/src/matrix/install-service.sh
index 343ac0f..6605ab7 100644
--- a/src/matrix/install-service.sh
+++ b/src/matrix/install-service.sh
@@ -27,7 +27,7 @@ systemctl enable matrix-synapse
 
 ss -tulpen
 
-mkdir /etc/nginx/ssl
+mkdir -p /etc/nginx/ssl
 openssl req -x509 -nodes -days 3650 -newkey rsa:4096 -keyout /etc/nginx/ssl/matrix.key -out /etc/nginx/ssl/matrix.crt -subj "/CN=$MATRIX_FQDN" -addext "subjectAltName=DNS:$MATRIX_FQDN"
 
 cat > /etc/nginx/sites-available/$MATRIX_FQDN <<EOF
diff --git a/src/onlyoffice/install-service.sh b/src/onlyoffice/install-service.sh
index 46d0202..2677191 100644
--- a/src/onlyoffice/install-service.sh
+++ b/src/onlyoffice/install-service.sh
@@ -45,7 +45,7 @@ ONLYOFFICE_DB_USER=$ONLYOFFICE_DB_USER
 ONLYOFFICE_DB_PASS=$ONLYOFFICE_DB_PASS
 EOF
 
-mkdir /etc/nginx/ssl
+mkdir -p /etc/nginx/ssl
 openssl req -x509 -nodes -days 3650 -newkey rsa:4096 -keyout /etc/nginx/ssl/onlyoffice.key -out /etc/nginx/ssl/onlyoffice.crt -subj "/CN=$LXC_HOSTNAME.$LXC_DOMAIN" -addext "subjectAltName=DNS:$LXC_HOSTNAME.$LXC_DOMAIN"
 
 rm /etc/nginx/conf.d/ds.conf
diff --git a/src/open3a/install-service.sh b/src/open3a/install-service.sh
index dba2277..f2c1afd 100644
--- a/src/open3a/install-service.sh
+++ b/src/open3a/install-service.sh
@@ -18,7 +18,7 @@ apt update
 
 DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y -qq unzip sudo nginx-full mariadb-server mariadb-client php php-cli php-fpm php-mysql php-xml php-mbstring php-gd
 
-mkdir /etc/nginx/ssl
+mkdir -p /etc/nginx/ssl
 openssl req -x509 -nodes -days 3650 -newkey rsa:4096 -keyout /etc/nginx/ssl/open3a.key -out /etc/nginx/ssl/open3a.crt -subj "/CN=$LXC_HOSTNAME.$LXC_DOMAIN" -addext "subjectAltName=DNS:$LXC_HOSTNAME.$LXC_DOMAIN"
 
 cat << EOF > /etc/nginx/sites-available/default
diff --git a/src/urbackup/install-service.sh b/src/urbackup/install-service.sh
index e35ddcf..64e0f34 100644
--- a/src/urbackup/install-service.sh
+++ b/src/urbackup/install-service.sh
@@ -11,7 +11,7 @@ source /root/constants-service.conf
 
 mkdir -p /$LXC_SHAREFS_MOUNTPOINT/tmp
 mkdir -p /$LXC_SHAREFS_MOUNTPOINT/$URBACKUP_DATA
-mkdir /etc/urbackup
+mkdir -p /etc/urbackup
 echo "/$LXC_SHAREFS_MOUNTPOINT/$URBACKUP_DATA" > /etc/urbackup/backupfolder
 
 echo "deb http://download.opensuse.org/repositories/home:/uroni/$REPO_CODENAME/ /" | tee /etc/apt/sources.list.d/urbackup.list
@@ -20,7 +20,7 @@ curl -fsSL https://download.opensuse.org/repositories/home:uroni/$REPO_CODENAME/
 apt update
 DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt install -y --no-install-recommends -o DPkg::options::="--force-confdef" -o DPkg::options::="--force-confold" urbackup-server nginx
 
-mkdir /etc/nginx/ssl
+mkdir -p /etc/nginx/ssl
 openssl req -x509 -nodes -days 3650 -newkey rsa:4096 -keyout /etc/nginx/ssl/urbackup.key -out /etc/nginx/ssl/urbackup.crt -subj "/CN=$LXC_HOSTNAME.$LXC_DOMAIN" -addext "subjectAltName=DNS:$LXC_HOSTNAME.$LXC_DOMAIN"
 
 ln -s /usr/share/urbackup/www /var/www/urbackup
diff --git a/src/vaultwarden/install-service.sh b/src/vaultwarden/install-service.sh
index bee4f3c..42a7b4e 100644
--- a/src/vaultwarden/install-service.sh
+++ b/src/vaultwarden/install-service.sh
@@ -18,7 +18,7 @@ systemctl enable --now postgresql
 wget https://raw.githubusercontent.com/jjlin/docker-image-extract/main/docker-image-extract
 chmod +x docker-image-extract
 ./docker-image-extract vaultwarden/server:alpine
-mkdir /opt/vaultwarden
+mkdir -p /opt/vaultwarden
 mkdir -p /var/lib/vaultwarden/data
 useradd vaultwarden
 chown -R vaultwarden:vaultwarden /var/lib/vaultwarden
diff --git a/src/zmb-member/install-service.sh b/src/zmb-member/install-service.sh
index 2dd69c3..2932abc 100644
--- a/src/zmb-member/install-service.sh
+++ b/src/zmb-member/install-service.sh
@@ -98,7 +98,7 @@ systemctl restart winbind nmbd
 wbinfo -u
 wbinfo -g
 
-mkdir /$LXC_SHAREFS_MOUNTPOINT/$ZMB_SHARE
+mkdir -p /$LXC_SHAREFS_MOUNTPOINT/$ZMB_SHARE
 
 # originally 'domain users' was set, added variable for domain admins group, samba wiki recommends separate group e.g. 'unix admins'
 chown "${ZMB_ADMIN_USER@L}" /$LXC_SHAREFS_MOUNTPOINT/$ZMB_SHARE