Editing Libvirt
Jump to navigation
Jump to search
Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.
The edit can be undone. Please check the comparison below to verify that this is what you want to do, and then save the changes below to finish undoing the edit.
Latest revision | Your text | ||
Line 1: | Line 1: | ||
− | + | libvirt<ref>https://libvirt.org/</ref> is a virtualization API with supports for [[KVM]], [[KVM/qemu|QEMU]], Xen, Virtuozzo, VMWare ESX, LXC, BHyve and more | |
+ | |||
+ | |||
== Ubuntu packages == | == Ubuntu packages == | ||
At least the following packages compose libvirt in Ubuntu: | At least the following packages compose libvirt in Ubuntu: | ||
− | * | + | * libvirt-bin |
− | + | * libvirt-clients: virsh, [[virt-admin]] virt-host-validate virt-login-shell virt-pki-validate virt-xml-validate | |
− | + | * libvirt-daemon: | |
− | * | + | ::libvirtd: <code>/etc/libvirt/virtlogd.conf</code> |
− | * | + | ::virt-sanlock-cleanup |
− | :: | + | ::virtlockd |
− | :: | + | ::virtlogd |
− | :: | ||
− | :: | ||
− | |||
− | |||
− | |||
== Config files and directories == | == Config files and directories == | ||
* Config directories: | * Config directories: | ||
− | :: <code>/etc/[[ | + | :: <code>/etc/[[kVM/libvirt|libvirt]]/</code> |
− | + | :: <code>/etc/[[kVM/libvirt|libvirt]]/qemu</code> | |
− | |||
− | :: <code>/etc/[[libvirt | ||
− | |||
* Config files: | * Config files: | ||
− | :: <code>/etc/libvirt/ | + | :: <code>/etc/libvirt/virtlogd.conf</code> |
::: Includes information about Unix Socket permissions: unix_sock_group, unix_sock_ro_perms, unix_sock_rw_perms, auth_unix_ro, auth_unix_rw | ::: Includes information about Unix Socket permissions: unix_sock_group, unix_sock_ro_perms, unix_sock_rw_perms, auth_unix_ro, auth_unix_rw | ||
− | |||
− | |||
* Images directory: <code>/var/lib/libvirt/images</code> (See: <code>[[virsh pool-define-as]]</code>) | * Images directory: <code>/var/lib/libvirt/images</code> (See: <code>[[virsh pool-define-as]]</code>) | ||
− | * | + | * Logs: |
− | :<code> | + | :<code>/var/log/libvirt/qemu</code> |
− | :<code>[[journalctl | + | :<code>[[linux Administration/System Services/System Logging/Journalctl|journalctl]] -u libvirtd</code> |
− | |||
− | |||
− | + | == [[Linux Administration/System Services/System Logging/Journalctl|Journalctl]] errors == | |
− | + | <code>libvirtd[14189]: 2019-11-21 15:08:13.035+0000: 14192: error : qemuDomainBlockCommit:17568 : invalid argument: top '/path/to/file/VM_NAME.qcow2' in chain for 'hda' has no backing file</code> | |
== Activities == | == Activities == | ||
Basic | Basic | ||
* Read Libvirt Changelog: https://libvirt.org/git/?p=libvirt.git;a=log | * Read Libvirt Changelog: https://libvirt.org/git/?p=libvirt.git;a=log | ||
− | * Read [[Libvirt Release notes]]: https://libvirt.org/news.html | + | * Read [[/Libvirt Release notes/]]: https://libvirt.org/news.html |
* Read Libvirt FAQ: https://wiki.libvirt.org/page/FAQ | * Read Libvirt FAQ: https://wiki.libvirt.org/page/FAQ | ||
− | |||
Medium | Medium | ||
− | * Restart libvirtd daemon: <code> | + | * Restart libvirtd daemon: <code>systemctl restart libvirtd</code> |
− | + | Expert: | |
* Read Libvirt code: https://github.com/libvirt/libvirt | * Read Libvirt code: https://github.com/libvirt/libvirt | ||
* Implement uptime functionality in libvirt code: https://www.spinics.net/linux/fedora/libvir/msg98027.html | * Implement uptime functionality in libvirt code: https://www.spinics.net/linux/fedora/libvir/msg98027.html | ||
− | * [[Review libvirt error messages in journald]] | + | * [[/Review libvirt error messages in journald/]] |
* Understand different CPU model an topologies: https://libvirt.org/formatdomain.html#elementsCPU | * Understand different CPU model an topologies: https://libvirt.org/formatdomain.html#elementsCPU | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
== See also == | == See also == | ||
− | |||
− | |||
− | |||
− | |||
* {{virsh}} | * {{virsh}} | ||
− | * | + | * [[/qemu/]] |
− | * | + | * [[KVM/MacVTap|MacVTap]] |
− | |||
− | |||
[[Category:Operating systems]] | [[Category:Operating systems]] | ||
− | |||
{{CC license}} | {{CC license}} | ||
Source: https://en.wikiversity.org/wiki/KVM/libvirt | Source: https://en.wikiversity.org/wiki/KVM/libvirt |
Advertising: