KVM Kernel Virtualization Machine on Rocky Linux 9: Difference between revisions
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'''Tricks, Tips, and Other Useful Information (all of which applies to Rocky Linux 9, and others based on Red Hat)''' | '''Tricks, Tips, and Other Useful Information (all of which applies to Rocky Linux 9, and others based on Red Hat)''' | ||
* Rocky Linux 9 Network Configuration Files Directory: /etc/Network/Manager/system-connections (NOT /etc/sysconfig/network-scripts) | *Rocky Linux 9 Network Configuration Files Directory: /etc/Network/Manager/system-connections (NOT /etc/sysconfig/network-scripts) | ||
* QEMU / KVM Configuration Files: /etc/libvirt/qemu/ | *QEMU / KVM Configuration Files: /etc/libvirt/qemu/ | ||
** Heed the warning notes on some of these files as they should not be edited directly. Although a workaround is to edit the files directly, then restart the libvirtd.service (systemctl restart libvirtd.service) | **Heed the warning notes on some of these files as they should not be edited directly. Although a workaround is to edit the files directly, then restart the libvirtd.service (systemctl restart libvirtd.service) | ||
** virsh net-edit default (it uses the VI editor) | **virsh net-edit default (it uses the VI editor) | ||
*** VI Editor | ***VI Editor | ||
**** i = Insert (AKA Edit) Mode | ****i = Insert (AKA Edit) Mode | ||
**** ESC = Command Mode | ****ESC = Command Mode | ||
**** : (Colon) = "Beginning of Command" | ****<span> </span>: (Colon) = "Beginning of Command" | ||
**** w = Write (as in :w) | ****w = Write (as in<span> </span>:w) | ||
**** x = Exit / Quit and Save (AKA Write) (as in :x) | ****x = Exit / Quit and Save (AKA Write) (as in<span> </span>:x) | ||
**** q = Quit (AKA Exit) | ****q = Quit (AKA Exit) | ||
* QEMU / KVM Additional Bridge Configuration: /etc/qemu-kvm/ | *QEMU / KVM Additional Bridge Configuration: /etc/qemu-kvm/ | ||
*Documentation from QEMU / KVM on Bridges and Networking: https://libvirt.org/formatnetwork.html | |||
*All, or most of the documentation for Rocky Linux 9 that steers one towards /etc/udev/rules.d is now located in /lib/udev/rules.d | |||
*Network Remapping End Result(s) (IE, if you want to see how the "Predictable Network Interface Naming" decided on how things were to be done: /sys/class/net | |||
**In short, here's how it goes with Rocky Linux 9 mapping a physical Network Adapter to a configuration file; | |||
***Physical Network Adapter (represented by files located in /sys/devices and below / down) | |||
***⇌ | |||
***Calculations done in the name of "Predictable Network Interface Naming", whose 'scripts' are located in /lib/udev/rules.d/80-net-setu-link.rules and whose result(s) are located in the Symbolic Links located in /sys/class/net (which in turn point to 'device files' in /sys/devices) | |||
***⇌ | |||
***Configuration File (in /etc/NetworkManger) | |||
*** | |||
***⇌ ⇌ ⇌ ⇌ ⇌ ⇌ | |||