passwordless login via ssh in Mac

You can access your remote ssh server without password by put your ssh key in remote. Step 1: generate a key if you don't have already $ ssh-keygen -t rsa Use the default for all paths. Step 2: Copy the file to the remote server that you want to access. As Mac doesn't have… Continue reading passwordless login via ssh in Mac

How to setup debugging environment for RHEL packages

It's hard to set the debugging environment in a different machine as it has different packages installed in each systems. It's really hard when we are talking about distributed packages as it requires lots of other libraries with separate debug info packages. So, I made a small application that you can use to set the… Continue reading How to setup debugging environment for RHEL packages

Managing VMware from command line

Here are some commands that you can use to manage virtual guests from command line. To check currently running virtual guests: $ cd "/Applications/VMware" $ ./vmrun -T fusion list Total running VMs: 1 ….. To start a virtual machine, you can use below. $ ./vmrun -T fusion start "/Users/sungju/Documents/Virtual Machines.localized/mymachine.vmwarevm/mymachine.vmx" To stop a… Continue reading Managing VMware from command line

How to install OpenStack on Fedora VM

OpenStack requires a system that has the virtualisation feature, but you might want to test it on the virtual guest before actually install it in bare metal system. In that case, you can achieve it by enabling nested virtualisation feature in recent Linux distribution. You can find if your distro has that feature by checking… Continue reading How to install OpenStack on Fedora VM

packages you need to install for cinder virtualenv test

cinder documentation says you need to install below packages in Fedora/RHEL, but it's not working as some packages are missing. $ sudo yum install python-devel openssl-devel python-pip git libmysqlclient-dev libqp-dev I had to test one by one and below seems working perfectly. $ sudo yum install python-devel openssl-devel python-pip git mysql-devel libpqxx-devel