On 2017-09-26, Nicolas Kovacs <info at microlinux.fr> wrote: > Hi, > > I'm having a very weird problem with CentOS as a VirtualBox guest. Let > me explain it step by step. > > tl;dr: I can install VirtualBox Guest Additions and configure a > fullscreen 1280x1024 graphical resolution on a full install, but not > on a reduced install with a lightweight window manager. > > Here's what I did. > > 1. Install vanilla CentOS 7 with KDE. > > 2. Boot to reduced 1024x768 resolution. > > 3. Install gcc, make and kernel-devel. > > 4. Build VirtualBox Guest Additions. > > 5. Reboot to full 1280x1024 resolution. ==> perfect > > On a vanilla desktop installation, this works perfectly. Now here's my > second attempt. > > 1. Install minimal CentOS 7. > > 2. Install X11: yum groupinstall "X Window System" > > 3. Install WindowMaker from Nux repo. > > 4. Launch WindowMaker (startx) to reduced 1024x768 resolution. > > 5. Install gcc, make and kernel-devel. > > 6. Build VirtualBox Guest Additions. > > 7. Reboot and still have a reduced 1024x768 resolution. ==> meh > > I made another attempt with Xfce instead of WindowMaker (yum > autoremove WindowMaker && yum groupinstall Xfce), but with the same > result. > > Any idea what's going on here? > > Cheers, > > Niki When you open the Xfce display settings[1], is a resolution higher than 1024x768 available? 1: http://docs.xfce.org/xfce/xfce4-settings/display -- Liam