KVM:NFS Permission denied

A NFS storage is configured for saving the VM disks.When start the VM on the hosts, the terminal promote an error that  no permitttion to access the NFS storage.The error seems like this: “internal error Process exited while reading console log output: char device redirected to /dev/pts/4     qemu-kvm: -drive file=/var/lib/libvirt/images/nfs/CentOS-7.6.qcow2,format=qcow2: could not open disk image … Continue reading “KVM:NFS Permission denied”

RedFish API usage

What is the Redfish API? Redfish is a management standard using a data model representation inside of a hypermedia RESTful interface. The model is expressed in terms of standard, machine-readable Schema, with the payload of the messages being expressed in JSON. The protocol itself leverages OData v4. Since it is a hypermedia API, it is … Continue reading “RedFish API usage”

linux kvm storage

The directory /var/lib/libvirt/images usually is for the kvm storage, but its capability is  a limitation and cannot meet the requirement of vms. There are two ways to fix the disk capability problem.One is increase the capability of the directory /var ,before installation or adjusting it after installation. The other way is redirect the kvm storage destination … Continue reading “linux kvm storage”

auditd.conf(8) – Linux man page

Name auditd.conf – audit daemon configuration file Description The file /etc/auditd.conf contains configuration information specific to the audit daemon. It should contain one configuration keyword per line, an equal sign, and then followed by appropriate configuration information. The keywords recognized are: log_file, log_format, flush, freq, num_logs, max_log_file, max_log_file_action, space_left, action_mail_acct, space_left_action, admin_space_left, admin_space_left_action, disk_full_action, and disk_error_action. These keywords are described below. log_file This keyword specifies the full path name to the … Continue reading “auditd.conf(8) – Linux man page”