Apt-Cacher-NG on Ubuntu
Apt-Cacher-NG is an apt proxy. It caches the packages you download locally each time you update your system. Why bother … Continue Reading →
Author: Vinoth Kumar Selvaraj
OpenStack enthusiastic
Creating a KVM Guest Using libvirt
Creating a KVM Guest Using libvirt : There are a couple of different ways to create a KVM guest: … Continue Reading →
KVM-QEMU
Pre-installation checklist egrep -c ‘(vmx|svm)’ /proc/cpuinfo If 0 it means that your CPU doesn’t support hardware virtualization. If 1 or … Continue Reading →
Virtualization With KVM On Ubuntu 12.04 LTS
—–Creating VMs using KVM on Ubuntu—- root@openstack:~# kvm-img create -f qcow2 ubuntu-12.04_64.img 5G Formatting ‘ubuntu-12.04_64.img’, fmt=qcow2 size=5368709120 encryption=off cluster_size=65536 … Continue Reading →
Configure YUM in RHEL6
mount RHEL6 DVD mount /dev/dvd /mnt go to the mounted directory cd /mnt/Packages/ Install FTP package rpm -ivh … Continue Reading →
Detecting HDD without Rebooting
—–> apt-get install scsitools —–> rescan-scsi-bus Note: No need for any tools in CentOS. It detect hard disk automatically. … Continue Reading →
How to set the fully qualified domain name(FQDN) in ubuntu?
Edit /etc/hostname and add your unqualified hostname: boson Edit /etc/hosts: sudo vi /etc/hosts Add an entry of your desired hostname … Continue Reading →
FTP Server
Note: check IPTABLES start VSFTPD service File Transfer Protocol (FTP) is a TCP protocol for uploading and downloading files between … Continue Reading →
To reset lost root password in recovery mode (DEBIAN/UBUNTU)
Single User Mode in Ubuntu: To reset the root password you have to boot to single user mode. Follow to … Continue Reading →
NFS- Network File System
NFS mounts work to share a directory between several virtual servers. This has the advantage of saving disk space, as … Continue Reading →