Frank's Blog

Instead of just displaying numbers (:set nu) in vim, I want to add lines numbers to a file in vim :%s/^/\=line('.')/ ===>>> Reference 1. http://stackoverflow.com/questions/252766/add-line-numbers-in-vim

지금까지 Virtualization에 대한 Benchmarking이 있었는지 그리고 부족한 부분들은 어떤 것들이 있는지 정리해보자. 1. Virtualization of Linux servers (KQEMU, KVM, Linux-VServer, OpenVZ, VirtualBox, Xen) Goal: 여러 가상화 기술의 overhead를 평가함 (CPU, disk, network, sysbench, …) Scalability도 평가 (Sysbench-OLTP사용) 여러 가상화 기술 에 대한 Possible TODO LIST Scalability를 체크할 때 다른 workload를 mix해서 해보기 2. Survey of Virtualization Workloads 3. Benchmarking Amazon ..

Let's increase the size of an image file ># dd if=/dev/zero of=centos.img bs=1M count=1 seek=4000 conv=notrunc ># e2fsck -f -y centos.img ># resize2fs centos.img (or) ># losetup /dev/loop1 centos.img ># e2fsck -f /dev/loop1 ># resize2fs /dev/loop1 ># e2fsck -f /dev/loop1 ># losetup -d /dev/loop1 References 1. http://wiki.kartbuilding.net/index.php/Resize/Increase_the_Size_of_a_File_Based_DomU_Xe..