Minimalistic docker: starting from scratch

Introduction
Next generation Linux distributions are out. Significant changes create special flavour by comparing to other unix-like derivatives.
In spite of implementation of similar features, the distance and the diversity
are growing. Sounds good, isn’t? Not all share this opinion.

Docker is one result of the actual virtualization trends on Linux. The control
groups (aka cgroups) realize features which make sense to use operating
system level virtualization, the one kernel many containers scenario.

Conditions, environment
X86 virtual machine deployed on VMware ESXi 5.5 on HP DL360Pg8.
Minimal Oracle Enterprise Linux 7 installed on 2 CPU cores and 4 GB.
No RAID on VM level, LVM and xfs for the general filesystems (default).
Extra softwares added: screen, wget and vim.
EL7 contains systemd and the Oracle kernel is used 3.8.13-44.el7uek.x86_64, dtrace is available.

First steps and look
Installing and configuring docker on OEL7 is quite easy. Continue reading “Minimalistic docker: starting from scratch”

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