Category: Reviews

Past week, I had to research and learn about “VSFTPD” and implement SFTP server for one of our customers. I want to share the instructions and my experiences about that. May be, It will help you in future. What is “VSFTPD”? “VSFTPD”, (or very secure FTP daemon) is an FTP server for Unix-like systems, including Linux. It is licensed under the GNU General Public License. It supports IPv6 and SSL. “VSFTPD” supports explicit (since 2.0.0) and implicit (since 2.1.0) FTPS. “VSFTPD” is the default FTP server in the Ubuntu, CentOS, Fedora, NimbleX, Slackware and RHEL Linux distributions. What is scenario? We need to create an user for SFTP connection and restrict the user in the user’s home directory. The user can put files to “Outgoing” directory for upload and put files to “Incoming” directory for download. The directories are in “/home/the_user_folder/” and the user will be restricted and the user can’t create directory in home directory but can create directory in “Incoming” and “Outgoing” directories. Implementation First Step, Installation In order to implement VSFTPD server, we need to install two packages: OpenSSL VSFTPD You can install them by YUM or by RPM. Like this: rpm -i /media/RHEL-6.8\ Server.x86_64/Packages/openssl098e-0.9.8e-20.el6_7.1.x86_64.rpm rpm -i...

New version of “Opvizor Performance Analyzer” has been released by Opvizor team. Opvizor Performance Analyzer is a real-time performance analyzer and designed to finding performance issues and bottlenecks in your virtual farm. Opvizor has provided a fully customized dashboard to real-time monitoring for VMs, hosts and … . Opvizor Performance Analyzer supporting: VMware vSphere, VMware vCenter Appliance (VCSA), Microsoft Hyper-V, NetApp Docker, Linux and Windows Guests, Datacore, Microsoft SQL many more… You can find more information and download it from this link: Download Trial Version

I want to clear some misunderstanding in this post by some explanations about NUMA technology in physical and virtual machines. As first step, join me to review UMA technology: Uniform memory access (UMA) is a shared memory architecture used in parallel computers. All the processors in the UMA model share the physical memory uniformly. In a UMA architecture, access time to a memory location is independent of which processor makes the request or which memory chip contains the transferred data. Uniform memory access computer architectures are often contrasted with non-uniform memory access (NUMA) architectures. In the UMA architecture, each processor may use a private cache. Peripherals are also shared in some fashion. The UMA model is suitable for general purpose and time sharing applications by multiple users. It can be used to speed up the execution of a single large program in time-critical applications NUMA technology: Non-Uniform Memory Access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to a processor. Under NUMA, a processor can access its own local memory faster than non-local memory, that is, memory local to another processor or memory shared between processors. Now what...

Windows 93 has been released now! This is real and you can test the OS that never was. Windows 93 is available on: www.windows93.net This is web based and you can test its application and have some fun.

MaruOS is a Linux desktop distribution that it can convert your Nexus phone to a desktop computer. MaruOS is created from Debian sources and it’s supporting wide range of applications such as LibreOffice. You have too accept the risk of installing another OS on your cell phone but then you have portable powerful desktop. You need to have a micro-USB to HDMI converter for screen connectivity. Keyboard and mouse will be connected to smart phone via Bluetooth. You can download this OS from this link: https://github.com/maruos/maruos/releases

HPE iLO standalone remote console client is a .Net application that you can download it from HPE iLO page. When you logon to iLO web administration page, you can access to this client but HPE iLO standalone remote console client can get your credential and works without opening iLO web administration. This is useful for administrators that they don’t want give iLO access to normal users and they can create usernames with remote console access. The console will operating according to your iLO license!