This is a list of useful Linux commands for Server Administrators. Please use following commands on a CentOS server. You can connect via SSH to your Linux server using ExtraPutty or ServerAuditor. How to access your server via SSH? Follow […]
Server backup against misfortune Now it is time to add some extra protection by installing a good server backup software. VestaCP has its own daily server backup service. It is good enough, but backup files are still on your server […]
If you set up a Linux LAMP and mail server, you need to add some protection. There are a lot of hackers and spammers around your server. And also some misfortune. What I suggest is: install some utilities against hackers […]
This tutorial lets you set up your own hosting server. It can be installed in a virtual machine, or on a dedicated server. It works on 32 and 64 bits processors. This LAMP and mail server is provided with: Apache, […]
The JET SDP project, carried out on behalf of DAT instruments, was created to meet the needs of simplicity and completeness. The JET SDP is a small operator panel with built-in datalogger. It measures and records different parameters, depending on the sensors [...]
JET SDP records several parameters depending on connected sensors (pressure, inclination, speed, rotation, etc…). Data are displayed in real time on the LCD monitor and recorded on internal memory. Afterwards, all recorded data are downloaded to a PC in order […]
The WXYZ DAT inertial sensor is installed on the buckets that make the excavation of the diaphragms. The sensor measures and records the following parameters: inclination (measured by a biaxial tilt sensor); deviation (calculated from the inclination and depth measured by a [...]
DAT WXYZ is a high technology inertial sensor to be installed on diaphragm walls grabs. It measures and records several parameters: inclination (provided by internal biaxial tilt sensor); deviation (provided by internal biaxial tilt sensor and external depth sensor); rotation […]
Home Control Home Automation and Home Automation Control Manager are home automation systems, which provide complete automation and remote connectivity. Home Control Home Automation, the system The Home Control home automation system consists of: a central processing unit, which takes care of sending [...]
Control Casa and Control Manager are home automation and building automation systems, to provide high quality full automation and remote control. Home automation, plant schematic The home automation system is composed of: central processing unit that shares data with […]
DAT X2 is the new version of the control system for 3CTR tunnel lifting equipment. It is installed on three-arm lifters for tunnels: two baskets to lift the workers, as well as a central arm to lift the [...]
DAT X2 is the new version of 3CTR electronic control system for tunneling lifters. It is installed on 3 booms tunneling lifters: 2 platforms to lift workers and 1 central boom to lift centres in tunnels. Electronic proportional manipulators and […]
I carried out the jet DSP 100 project on behalf of DAT instruments. It is a small operator panel, equipped with a graphic monitor and keyboard consisting of only three buttons, with built-in datalogger. The JET DSP 100 measures and [...]
JET DSP 100 datalogger records several parameters depending on version and connected sensors: IR version, for Lugeon tests, Permeability tests, Grouting (pressure, flow-rate, volume, time, duration); D version, for Diaphragm walls and Hydromills (depth, speed, inclination, deviation, rotation, time, duration). […]
DAT CB programmable controllers are a set of programmable electronic boards. Many projects carried out by DAT instruments use these electronic boards. I started designing these programmable controllers in March of 2002 and, years later, this set [...]
DAT CB programmable controllers are a set of programmable boards. Many DAT instruments projects use these boards. I began designing these boards on March 2002 and the project is still active. There is a main controller (the DAT CB CPU […]
The JET 4000 AME project was developed to meet the needs of completeness and robustness. The JET 4000 AME is in fact a control panel and datalogger, full of functions, constantly updated over the years. The project was born in [...]
JET 4000 AME datalogger records several parameters depending on version and connected sensors: I version, for Lugeon tests, Permeability tests, Grouting, GIN (grouting intensity number) injections (pressure, flow, volume, time, duration); J version, for Drilling, Jet grouting, Soil mixing, CFA, […]
3CTR is a complete control system for tunnel lifts. It is installed on three-arm equipment: the tunnel installers. Thecentine posecents are, in essence, composed of two baskets for lifting people and an arm [...]
3CTR is a complete electronic control system for tunneling lifting equipment. It is installed on 3 booms lifting equipments for tunneling: 2 platforms to lift people and 1 central boom used to lift centres in tunnels. Electronic proportional manipulators complete […]
MPLEX is a project I had done as a boy to test integrated circuits and logic gates. The project consists of an interface, to be connected to the LPT port of the computer, and a software, programmed in QuickBasic, which works in the [...]
MPLEX was an interesting project that I used to inspect integrated circuits and logic ports. The project consisted of a LPT interface board, which was connected to the PC parallel port, and of a software running on QuickBasic.The first version of […]
CTRLIM is a moment limiter for cranes and telehandlers. The moment limiter stops the machine when the arm moment is greater than a set value. The moment is expressed in Newton * meter (Nm) and measures [...]
CTRLIM is a moment limiter for cranes. The moment limiter stops the crane when the moment on its boom is higher than a preset value. Moment is calculated by an angle sensor, a boom length sensor and a hydraulic pressure […]
LPTEL is a telephone ring repeater: it turns on a light bulb when the telephone is ringing. It connects to the telephone line, so it is independent of the telephone. Telephone ring repeater, components R1 – resistor 47 ohm 1/4 WC1 – […]
STROBO is the project of a xenon strobe lamp, which I made when I was a boy. The lamp can flash independently, at a setable frequency, and moreover it can also be controlled from the PC, a microphone and other lights, through modules [...]
STROBO is a xenon strobe light (stroboscopic light) that can flash automatically or it can be controlled by a PC, by other lights or by a microphone. Please note that the components are grid power supplied (230Vac), hence do not […]
SPTEL is a busy phone line detector, which I designed when I was just over 15 years old: it is an LED that lights up when the phone line is engaged by a telephone in conversation. This my [...]
EQUATIO is a software for graphs of mathematical functions, which plots the functions, in 2D, on a Cartesian X-Y plane. I programmed this software when I was 15 years old: on the other hand, at the Scientific High School, mathematical functions were studied. I then [...]
EQUATIO is a DOS math graphing software to trace 2D mathematical functions on a X-Y Cartesian plane. It is possible to write an expression for each Cartesian axis. The graph is traced point by point. Available mathematical functions in EQUATIO […]