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--- virtualbox_for_centos_7_notes [2018/12/12 13:54] – juckins
+++ virtualbox_for_centos_7_notes [2019/09/20 10:08] – juckins
@@ Line 1: / Line 1: @@
 ==== VirtualBox running CentOS 7 Notes ====
+**September 2019 - Upgrade to CentOS 7.7:**
+Best practice is to clone a VM before upgrading so you have a clean starting point.
+Got these errors upon trying to upgrade:
+<code>
+Error: Package: 1:vlc-core-2.2.5.1-2.el7.nux.x86_64 (@nux-dextop)
+           Requires: libfreerdp-rail.so.1.0()(64bit)
+           Removing: freerdp-libs-1.0.2-15.el7_6.1.x86_64 (@updates)
+               libfreerdp-rail.so.1.0()(64bit)
+           Updated By: freerdp-libs-2.0.0-1.rc4.el7.x86_64 (base)
+               Not found
+Error: Package: 1:vlc-core-2.2.5.1-2.el7.nux.x86_64 (@nux-dextop)
+           Requires: libfreerdp-channels.so.1.0()(64bit)
+           Removing: freerdp-libs-1.0.2-15.el7_6.1.x86_64 (@updates)
+               libfreerdp-channels.so.1.0()(64bit)
+           Updated By: freerdp-libs-2.0.0-1.rc4.el7.x86_64 (base)
+               Not found
+Error: Package: 1:vlc-core-2.2.5.1-2.el7.nux.x86_64 (@nux-dextop)
+           Requires: libfreerdp-codec.so.1.0()(64bit)
+           Removing: freerdp-libs-1.0.2-15.el7_6.1.x86_64 (@updates)
+               libfreerdp-codec.so.1.0()(64bit)
+           Updated By: freerdp-libs-2.0.0-1.rc4.el7.x86_64 (base)
+               Not found
+Error: Package: 1:vlc-core-2.2.5.1-2.el7.nux.x86_64 (@nux-dextop)
+           Requires: libfreerdp-kbd.so.1.0()(64bit)
+           Removing: freerdp-libs-1.0.2-15.el7_6.1.x86_64 (@updates)
+               libfreerdp-kbd.so.1.0()(64bit)
+           Updated By: freerdp-libs-2.0.0-1.rc4.el7.x86_64 (base)
+               Not found
+Error: Package: 1:vlc-core-2.2.5.1-2.el7.nux.x86_64 (@nux-dextop)
+           Requires: libfreerdp-gdi.so.1.0()(64bit)
+           Removing: freerdp-libs-1.0.2-15.el7_6.1.x86_64 (@updates)
+               libfreerdp-gdi.so.1.0()(64bit)
+           Updated By: freerdp-libs-2.0.0-1.rc4.el7.x86_64 (base)
+               Not found
+Error: Package: 1:vlc-core-2.2.5.1-2.el7.nux.x86_64 (@nux-dextop)
+           Requires: libfreerdp-utils.so.1.0()(64bit)
+           Removing: freerdp-libs-1.0.2-15.el7_6.1.x86_64 (@updates)
+               libfreerdp-utils.so.1.0()(64bit)
+           Updated By: freerdp-libs-2.0.0-1.rc4.el7.x86_64 (base)
+               Not found
+Error: Package: 1:vlc-core-2.2.5.1-2.el7.nux.x86_64 (@nux-dextop)
+           Requires: libfreerdp-core.so.1.0()(64bit)
+           Removing: freerdp-libs-1.0.2-15.el7_6.1.x86_64 (@updates)
+               libfreerdp-core.so.1.0()(64bit)
+           Updated By: freerdp-libs-2.0.0-1.rc4.el7.x86_64 (base)
+               Not found
+ You could try using --skip-broken to work around the problem
+ You could try running: rpm -Va --nofiles --nodigest
+</code>
+Solution:
+  # yum remove vlc
+Then [[https://linuxize.com/post/how-to-install-vlc-on-centos-7/|Install VLC]]
+Update hostname to centos7.7
+Then, test VM upgrade from CentOS 7.6 to 7.7 worked OK and got full-screen graphics with Guest Additions v 6.0.10. 2 other VMs upgraded OK, but Guest Additions v6.0.12 will not install properly.  Newest kernel is kernel-3.10.0-1062.1.1.el7.x86_64 but had to boot into 3.10.0-957.27.2.el7.x86_64 to get full screen display to work.
+Problems:
+  * Windows TAT is not accessible graphically - even booting into old kernel gives non-usable graphical screen
+    * May need to remove Guest Additions entirely
+  * work VM needs to boot into older kernel to get graphics to display
+  * Need to determine how to find currently-installed version of Guest Additions
+Possible Solutions:
+  * Open ticket with VirtualBox forums
+  * Download Virtual Box from 6.0.12 to 6.0.10
+  * On test VM with GA 6.0.12, see if the hardware acceleration settings need to be changed per error message that pops up (should not need changing as it will affect VirtualBox 6.1 branch)
+  * Search forums for error "Building the main Guest Additions 6.0.12 module for kernel 3.10.0-1062.1.1.el7.x86_64."
+    * Looks like 6.0.13 is a test build and 6.0.14 will have permanent fix
 **December 2018 - Upgrade to CentOS 7.6:**
@@ Line 37: / Line 113: @@
 Success with the following steps using [[http://rpm.pbone.net/index.php3/stat/4/idpl/48165651/dir/fedora_other/com/libgtop2-2.36.0-1.fc26.x86_64.rpm.html|libgtop2-2.36.0-1.fc26.x86_64.rpm]]:
-  # yum remove libgtop2
+  # yum remove libgpod libgtop2
   # yum -y update
   # wget ftp://ftp.pbone.net/mirror/archive.fedoraproject.org/fedora/linux/releases/26/Workstation/x86_64/os/Packages/l/libgtop2-2.36.0-1.fc26.x86_64.rpm