By default, ‘qemu-image info’ will throw an error if it cannot get exclusive access to the disk file it is trying to read. $ sudo qemu-img info mydisk.qcow2 qemu-img: Could not open ‘mydisk.qcow2’: Failed to get shared “write” lock Is another process using the image [mydisk.qcow2]? Although it is not listed in the man page, … KVM: running qemu-img info without exclusive access using force-share flag
Whether you need to flash the BIOS or check hardware compatibility for a virtualization engine, it is often necessary to gather details on your current hardware, BIOS, and CPU/DRAM feature set. In this article I’ll provide a starting list of commands you can use to gather this information.
Enabling verbose logs for an AppDynamics machine or database agents can be invaluable for troubleshooting connectivity or network issues. Luckily, this is easily done by editing the conf/logging/log4j.xml file. By default, only the error level messages are sent to the logs: <root> <priority value=”error”/> <appender-ref ref=”FileAppender”/> </root> But you can modify this so that debug … AppDynamics: Enabling verbose debug logs for Agents