Jellyfin: ensure libjemalloc is used / increase hdd space (#8494)

* Jellyfin: ensure libjemalloc used

* Enhance Jellyfin update script with libjemalloc checks

Added checks for libjemalloc2 installation and symlink creation before updating Jellyfin.

* Change apt-get to apt for installing libjemalloc2

* Increase default disk size from 8GB to 16GB

* Increase HDD size for Jellyfin configuration

Updated HDD size from 8GB to 16GB in jellyfin.json.

install/jellyfin-install.sh

@@ -26,13 +26,16 @@ msg_ok "Set Up Hardware Acceleration"
 
 msg_info "Installing Jellyfin"
 VERSION="$(awk -F'=' '/^VERSION_CODENAME=/{ print $NF }' /etc/os-release)"
-# If the keyring directory is absent, create it
+if ! dpkg -s libjemalloc2 >/dev/null 2>&1; then
+  $STD apt install -y libjemalloc2
+fi
+if [[ ! -f /usr/lib/libjemalloc.so ]]; then
+  ln -sf /usr/lib/x86_64-linux-gnu/libjemalloc.so.2 /usr/lib/libjemalloc.so
+fi
 if [[ ! -d /etc/apt/keyrings ]]; then
   mkdir -p /etc/apt/keyrings
 fi
-# Download the repository signing key and install it to the keyring directory
 curl -fsSL https://repo.jellyfin.org/jellyfin_team.gpg.key | gpg --dearmor --yes --output /etc/apt/keyrings/jellyfin.gpg
-# Install the Deb822 format jellyfin.sources entry
 cat <<EOF >/etc/apt/sources.list.d/jellyfin.sources
 Types: deb
 URIs: https://repo.jellyfin.org/${PCT_OSTYPE}
@@ -41,10 +44,11 @@ Components: main
 Architectures: amd64
 Signed-By: /etc/apt/keyrings/jellyfin.gpg
 EOF
-# Install Jellyfin using the metapackage (which will fetch jellyfin-server, jellyfin-web, and jellyfin-ffmpeg5)
-$STD apt-get update
-$STD apt-get install -y jellyfin
+
+$STD apt update
+$STD apt install -y jellyfin
 sed -i 's/"MinimumLevel": "Information"/"MinimumLevel": "Error"/g' /etc/jellyfin/logging.json
+
 chown -R jellyfin:adm /etc/jellyfin
 sleep 10
 systemctl restart jellyfin
@@ -59,6 +63,7 @@ motd_ssh
 customize
 
 msg_info "Cleaning up"
-$STD apt-get -y autoremove
-$STD apt-get -y autoclean
+$STD apt -y autoremove
+$STD apt -y autoclean
+$STD apt -y clean
 msg_ok "Cleaned"