Developers Club geek daily blog

Expansion of sections without data loss

1 year, 5 months ago

Essence


Developed the program for simple expansion of the section and file system (xfs, ext3,4) without data loss. github.com/rekby/fsextender/releases/latest

Initial problem


After expansion of a disk of the virtual computer from wasps of linux family to expand in it the section of data.

Read more »


Work with containers: Difficulties and myths

1 year, 6 months ago
In our blog we write about development of a cloud service 1cloud, but also about perspective technologies. "revolution of containers" became one of the most actively discussed subjects of the expiring year — many companies implement them in the infrastructure, and vendors create new technologies for work with them. Recently we told about new developments of VMware in this area, and now we present to yours adapted translation of a note of the engineer of the company about the difficulties and myths connected with containers.



You became witnesses of one of the largest shifts which happened in the IT industry. Fifteen years ago you could imagine that you literally one clicking of the button will be able to transfer the application from one part of the functioning data-center to another, without having created at the same time inconveniences to users?

VMware made possible transition from hardware to program, from manual control to automation. Using containers, old technology which was simplified by such companies as Docker and CoreOS, we can instantly start a set of applications on the general kernel.

In November, 2015 in Barcelona there took place the Dockercon Europe 2015 conference devoted to safety, the user interface, RBAC authorization and operation of the software in general. Once you mention these terms, all attention of the large organizations will right there be paid to you.

Read more »


Virtualization of containers: In what an essence of the new VMware technologies

1 year, 6 months ago


In our blog we write about development of the cloudy project of revolution of containers". The sensation around containers of the last time raised one important issue: how this technology will be able to get on with traditional options of management of infrastructure and what threats it conceals for the market of virtualization? And even more specific: whether virtual computers will replace containers?

At the annual conference in San Francisco which took place on in September, 2015, VMware let know unambiguously that it will not occur. The new platform of management enters new type of virtualization — for containers.

Read more »


Loukost a hosting of dedicated servers in Russia. Whether it is possible?

1 year, 6 months ago
Айхор

In last article with similar heading, we told and even proved that loukost the hosting of virtual servers (VPS) in Russia is possible. But how the situation with lease of dedicated servers is? Whether it is possible to hand over in Russia servers at the prices Hetzner-and, providing to clients gigabit channels?
We decided to carry out small analytics and to try to give the answer to post heading. Also we created a loukost-configurator of dedicated servers based on the equipment which is available for us. What from this left – you learn now.

Read more »


Proxmox VE 4 installation of the root section on unsupported the soft raid1 installer

1 year, 6 months ago

Starting with version 3.6 in the Proxmox installer there was an installation option on different ZFS Raid options, but did not appear, used by many, a configuration with an arrangement of a root and storage area of disks of virtual computers on program raid an array.
On Habré and in a network there is a set of similar articles, but they are actual for version 3,6, and in version 4.0 several interesting nuances appeared. Besides in this instruction I will approach a solution of this task absolutely some other way.

Read more »


Performance comparison of PHP 7.0 and HHVM

1 year, 6 months ago


During quite long time about it there were no news, but, after long waiting, PHP 7 at last left on December 3, 2015. We decided to test the most popular CMS based on PHP to check as they work with PHP 7.

Read more »


How to change the domain controller and not to break the current infrastructure

1 year, 6 months ago
So it turned out in our organization that the infrastructure should be done quickly, and on purchase of licenses time was required. Therefore it was decided to use images of Windows Server 2012R2 Evaluation, and after the test period already to license. Then still nobody knew what cannot be taken just like that, to register the license Standart in Evaluation release, and on an output to receive license Standart, otherwise, I think, at first after all would purchase licenses. But there is nothing to do that we have, and we work with that. So.

Task: after purchase of licenses of Microsoft for Windows server 2012R2 Standart it is necessary to activate them on our servers. We start.

Read more »


We develop Drupal 8 by means of Otto

1 year, 6 months ago
This post turned out as a result of my acquaintance with Otto, one of the last products of Hashicorp about which there was already a review article on Habré.

My post has more practical character. I decided to lift the standard project on otto at once not to come across setup subtleties and that it was interesting, Drupal 8 which left recently selected.

image

Read more »


Desktop in a cloud

1 year, 6 months ago
In what case it is necessary to give preference to this or that solution for the organization of "virtual desktops" and how to find optimal conditions for their work?


Рабочий стол в облаке - Inoventica Services

Developers of means of virtualization advance not one year different solutions for workstations, however, unlike virtualization of servers, in a mass segment they were not widely adopted.

Read more »


Proxmox 4.0: The root partition into ZFS RAID1 or how to increase fault tolerance if in the server only 2 disks

1 year, 6 months ago
The task — to start Proxmox and several virtualok on the server with only 2 disks turned up to me. At the same time it was required to provide well though some reliability and simplicity of correction of problems of one of disks connected with failure. Further in a note the detailed description of testing of a solution at the stand.

Read more »