Christopher Juckins

SysAdmin Tips, Tricks and other Software Tools

User Tools

Site Tools


virtualbox_for_centos_8_notes

VirtualBox running CentOS 8 Notes

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
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

Then reinstalled all of them using:

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
    • 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 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

TO DO

  • Install X2Go

IGNORE LIST

  • Look at GNOME Shell Extensions
  • Figure out NUX repo issues
  • Customize GNOME Classic with the links:
    • Try to replicate MATE look & feel in GNOME classic
      • use gnome-tweaks to make adjustments
  • System language seems to be British (Colours)
virtualbox_for_centos_8_notes.txt · Last modified: 2020/12/09 16:56 by juckins