Converting between image formats

qemu-img convert: raw, qcow2, qed, vdi, vmdk, vhd The qemu-img convert command can do conversion between multiple formats, including qcow2, qed, raw, vdi, vhd, and vmdk. Image formatArgument to qemu-imgQCOW2 (KVM, Xen)qcow2QED (KVM)qedrawrawVDI (VirtualBox)vdiVHD (Hyper-V)vpcVMDK (VMware)vmdk This example will convert a raw image file named image.img to a qcow2 image file. $ qemu-img convert -f raw -O qcow2 image.img image.qcow2…

Ubuntu updates for TCP SACK Panic vulnerabilities

14.04 , 16.04 , 18.04 , ESM , Extended Security Maintenance , livepatch , sack panic , Security , TCP Sack Panic , Trusty Tahr Issues have been identified in the way the Linux kernel’s TCP implementation processes Selective Acknowledgement (SACK) options and handles low Maximum Segment Size (MSS) values. These TCP SACK Panic vulnerabilities could expose servers to a denial of service attack, so it is crucial…
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