Changed yum to dnf for consistency. Swapped around some libs.

added qt5-devel. dunno if needed.

sif/rocky8vdt.def

@@ -12,25 +12,15 @@ From: ghcr.io/nesi/nesi-virtual-desktops/rocky8vis:latest
 
     systemctl set-default graphical.target
 
-    yum -y install epel-release 
-    yum -y install dnf-plugins-core
-    yum -y install glibc-langpack-en
+    dnf -y install dnf-plugins-core
+    dnf -y install glibc-langpack-en
 
     # ANSYS DEPS 
     #yum -y install alsa-lib at-spi2-atk at-spi2-core atk avahi-libs bzip2-libs cyrus-sasl-lib elfutils-libelf elfutils-libs
 
-    yum -y groupinstall "Xfce"
-    yum -y install xfce4-terminal # not in epel for some reason?
-    yum -y install gnome-terminal # Good backup terminal.
-
-    yum -y install libXp # For ANSYS EM
-    yum -y install libX11
-    yum -y install libXext
-
-    yum -y install mesa-libGL
-    yum -y install mesa-libGL-devel
-    yum -y install mesa-libGLU
-    yum -y install mesa-libGLU-devel
+    dnf -y groupinstall "Xfce"
+    dnf -y install xfce4-terminal # not in epel for some reason?
+    dnf -y install gnome-terminal # Good backup terminal.
 
     # Non essential stuff below.
     set +e

sif/rocky8vis.def

@@ -2,30 +2,42 @@ Bootstrap: oras
 From: ghcr.io/nesi/nesi-virtual-desktops/rocky8:latest
 
 %post
+
+    dnf -y install epel-release
+
+    dnf -y install libXp # For ANSYS EM
+    dnf -y install libX11
+    dnf -y install libXext
+
+    dnf -y install qt5-devel
+
+    dnf -y install mesa-libGL
+    dnf -y install mesa-libGL-devel
+    dnf -y install mesa-libGLU
+    dnf -y install mesa-libGLU-devel
+
+    dnf config-manager --set-enabled powertools
+    dnf -y copr enable stenstorp/lightdm
+    dnf -y --setopt=group_package_types="mandatory" groupinstall "xfce" # Most default is trash.
+    dnf -y install lightdm
+    dnf -y install slurm-gui
+
     wget -q https://sourceforge.net/projects/virtualgl/files/2.6.5/VirtualGL-2.6.5.x86_64.rpm
-    yum -y install VirtualGL-2.6.5.x86_64.rpm
+    dnf -y install VirtualGL-2.6.5.x86_64.rpm
     rm -f VirtualGL-2.6.5.x86_64.rpm
 
     TURBOVNC_VERSION=2.2.4
     wget https://sourceforge.net/projects/turbovnc/files/${TURBOVNC_VERSION}/turbovnc-${TURBOVNC_VERSION}.x86_64.rpm -q
-    yum install -y turbovnc-${TURBOVNC_VERSION}.x86_64.rpm
+    dnf install -y turbovnc-${TURBOVNC_VERSION}.x86_64.rpm
     rm -f turbovnc-${TURBOVNC_VERSION}.x86_64.rpm
 
     # Websockify
     mkdir -p /opt/websockify
   	wget https://github.com/novnc/websockify/archive/master.tar.gz -q -O - | tar xzf - -C /opt/websockify --strip-components=1
 
-	# noVNC
-	mkdir -p /opt/noVNC
-  	#git clone https://github.com/novnc/noVNC/ /opt/noVNC
-	# Optional. Adds better copy paste support
-	git clone https://github.com/juanjoDiaz/noVNC.git /opt/noVNC
-	echo "<meta http-equiv=\"refresh\" content=\"0; URL='vnc.html'\"/>" > /opt/noVNC/index.html
-
-  dnf -y install epel-release
-
-dnf config-manager --set-enabled powertools
-dnf -y copr enable stenstorp/lightdm
-dnf -y --setopt=group_package_types="mandatory" groupinstall "xfce" # Most default is trash.
-dnf -y install lightdm
-dnf -y install slurm-gui
+    # noVNC
+    mkdir -p /opt/noVNC
+    #git clone https://github.com/novnc/noVNC/ /opt/noVNC
+    # Optional. Adds better copy paste support
+    git clone https://github.com/juanjoDiaz/noVNC.git /opt/noVNC
+    echo "<meta http-equiv=\"refresh\" content=\"0; URL='vnc.html'\"/>" > /opt/noVNC/index.html