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--- virtualbox_for_centos_8_notes [2019/10/04 12:42] – juckins
+++ virtualbox_for_centos_8_notes [2020/12/09 16:56] (current) – juckins
@@ Line 1: / Line 1: @@
 ==== VirtualBox running CentOS 8 Notes ====
-__4 October 2019__
+__9 December 2020__
+  * Updated to CentOS Linux release 8.3.2011
+  * Booting into new kernel kept failing
+    * complained /boot ext4 filesystem was unknown
+  * Booted into previous kernel OK
+  * Did "rpm -qa |grep kernel | sort" and looked for all the latest versions
-  * First attempt for netinstall
+  kernel-4.18.0-240.1.1.el8_3.x86_64
-    * Used CentOS-Stream-x86_64-boot.iso
+  kernel-core-4.18.0-240.1.1.el8_3.x86_64
-  * Review [[https://bugs.centos.org/view.php?id=16456|notes on net installation URL problems]] to use proper network URL for package downloads
+  kernel-devel-4.18.0-240.1.1.el8_3.x86_64
-  * First go here: http://mirrorlist.centos.org/?release=8&arch=x86_64&repo=BaseOS
+  kernel-headers-4.18.0-240.1.1.el8_3.x86_64
-    * Choose one from list
+  kernel-modules-4.18.0-240.1.1.el8_3.x86_64
-      * This worked: http://www.gtlib.gatech.edu/pub/centos/8.0.1905/BaseOS/x86_64/os/
+  kernel-modules-extra-4.18.0-240.1.1.el8_3.x86_64
+  kernel-tools-4.18.0-240.1.1.el8_3.x86_64
+  kernel-tools-libs-4.18.0-240.1.1.el8_3.x86_64
+Then reinstalled all of them using:
-  * [[Yum installer bash script (CentOS8)|Copy this source to a .bash and run as root]]
+  dnf reinstall kernel-4.18.0-240.1.1.el8_3.x86_64 kernel-core-4.18.0-240.1.1.el8_3.x86_64 kernel-devel-4.18.0-240.1.1.el8_3.x86_64 kernel-headers-4.18.0-240.1.1.el8_3.x86_64 kernel-modules-4.18.0-240.1.1.el8_3.x86_64 kernel-modules-extra-4.18.0-240.1.1.el8_3.x86_64 kernel-tools-4.18.0-240.1.1.el8_3.x86_64 kernel-tools-libs-4.18.0-240.1.1.el8_3.x86_64
+Rebooted into new kernel, working OK.
+__15 October 2020__
+  * For centos8-vtatdb2-l, selinux seems to have gotten messed up
+    * Tried a new VM by cloning centos8-minimal and immediately disabling selinux, rebooting
+  * mod_security was giving httpd errors and permission denied
+    * Try disabling this and then testing httpd stuff
+__29 September 2020__
+  * Create new VM and install CentOS 8 minimal
+    * download iso from https://www.centos.org/download/
+    * modify hostname
+    * modify disk partitions if needed
+    * For 'Display' settings, do not check "Enable 3D Acceleration" as it may prevent MATE environment from appearing
+  * Boot up VM and login
+  * Use ifconfig to determine its IP address
+  * Open a terminal window and ssh into it
+  * set up local account .bashrc and ssh stuff; same for root
+  * su to root
+  * mkdir /root/bin
+  * Copy contents of [[yum_installer_bash_script_centos8|dnf installer bash script (CentOS 8)]] to a .bash script
+  * Run script and pipe output to a log file
+  * When complete, check for errors and make adjustments
+  * Reboot
+__Other modifications__
+  * Try different theme, like "TraditionalOK"
+  * Disable screensaver
+  * Install MATE using https://copr.fedorainfracloud.org/coprs/stenstorp/MATE/
+    * Other discussion at https://centosfaq.org/centos/centos-8-mate/
+  * Download password gorilla from https://gorilla.dp100.com/downloads/
+  * Install PHP 7.4 following https://www.tecmint.com/install-php-on-centos-8/
+  * Install perl-HTML-TableExtract.noarch (saved on host linux in /root/downloads_centos8)
+    * needed for AT&T broadband gateway usage script
+    * used [[http://rpmfind.net/linux/dag/redhat/el6/en/x86_64/dag/RPMS/perl-HTML-TableExtract-2.10-1.el6.rf.noarch.rpm|perl-HTML-TableExtract-2.11-4.el7.noarch.rpm]] and tested OK
+  * Install perl-Math-Round (saved on host linux in /root/downloads_centos8)
+    * needed for AT&T broadband gateway usage script
+    * used [[http://rpmfind.net/linux/dag/redhat/el6/en/x86_64/dag/RPMS/perl-Math-Round-0.06-1.el6.rf.x86_64.rpm|perl-Math-Round-0.06-1.el6.rf.x86_64.rpm]] and tested OK
+  * Install perl-List-Compare (saved on host linux in /root/downloads_centos8)
+    * not sure where it's needed (if at all?)
+    * used [[http://rpmfind.net/linux/dag/redhat/el6/en/x86_64/dag/RPMS/perl-List-Compare-0.37-1.el6.rf.noarch.rpm|perl-List-Compare-0.37-1.el6.rf.noarch.rpm]] but not tested
+  * If needed:
+    * install [[https://download.nice-dcv.com/|DCV Viewer]]
+    * dnf install pidgin
+    * dnf install x2goclient
+__TO DO__
+  * Install X2Go
+__IGNORE LIST__
+  * Look at GNOME Shell Extensions
+    * Dash to Panel
+    * [[https://www.dedoimedo.com/computers/centos-8-gnome-extensions.html|Installing extensions]]
+  * Figure out NUX repo issues
+  * Customize GNOME Classic with the links:
+    * [[https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/using_the_desktop_environment_in_rhel_8/index#enabling-window-overview-in-gnome-classic_gnome-environments|tips 1]]
+    * [[https://www.zdnet.com/google-amp/article/how-to-customise-your-linux-desktop-gnome-3/|tips 2]]
+    * [[https://devconnected.com/how-to-install-and-configure-centos-8-with-gnome/|tips 3]]
+    * Try to replicate MATE look & feel in GNOME classic
+      * use gnome-tweaks to make adjustments
+  * System language seems to be British (Colours)