Linux Experience

Welcome to Linux Experience

Linux Experience - site where we share our knowledge about development under Linux platform, where you may find information, files, sources, howto`s, solutions, articles, news and we hope much more in near future. Our point is development on Linux with MySQL database, Jpgraph graphic engine, OPC technology alternatives and SCADA, all it for process automation.

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Build LED indicators

Build LED indicators

LED indicators represent a character display with discrete 4x7 circles. For the build of LED indicators you will need to include two libraries: basic "jpgraph.php" and "jpgraph_led.php".

Non-standard use of Gantt chart

Non-standard use of Gantt chart

Gantt chart is a special type of graphs for the planning of complex projects, which used to give an easy overview of the extension in time of one or several activities.

How to use Linux in industrial automation

How to use Linux in industrial automation

The Linux OS can be found in many unexpected places in our daily lives from GPS navigators to smartphones, countless devices now run the Linux kernel.

Android Applicattions for Linux Server Admins

Android Applicattions for Linux Server Admins

Here are 10 server and admin apps for the Linux-based Android mobile phone platform: clients and servers for the basic protocols: SSH, FTP, and remote desktop (RDP & VNC).

  • C/C++ Programmable RTU Controller and SDK

    C/C++ Programmable RTU Controller and SDK

    According to the company, the main advantage of the ioPAC-8020-C open C platform is the user-friendly software development kit (SDK), which streamlines installation and configuration time. The SDK reduces programming overhead in key areas such as I/O control and condition monitoring, SCADA and DB interoperability, and smart communication controls.

  • MK802 micro-PC runs Android 4.0 and Linux

    MK802 micro-PC runs Android 4.0 and Linux

    Small and inexpensive mini computers have generated a lot of attention in recent months. While the Raspberry Pi started shipping after being delayed by manufacturing problems, the more expensive Cotton Candy device is still only available for pre-order. Now, another contender has arrived in the form of the MK802 micro-PC. The MK802 features a 1.5GHz AllWinner A10 processor, 512MB of RAM and WiFi connectivity.

  • Qt 4.8 now available

    Qt 4.8 now available

    Nokia has announced the release of Qt 4.8.0, its cross platform application and user interface framework. This release is not accompanied by a new release of the Qt SDK version 1.2 of the SDK will follow in January 2012.

  • Embedded database gains replication and distributed transactions

    Embedded database gains replication and distributed transactions

    ITTIA has updated its lightweight, Linux-compatible SQL R-DBMS with High Availability (HA) and replication features aimed at embedded applications. ITTIA DB SQL 4.1 has added support for two-phase commit, synchronous replication on commit, table snapshots, and distributed transactions. In April, ITTIA announced a High Availability (HA) version of DB SQL. Now this capability has been rolled into the mainstream DB SQL 4.

  • The GPU Acceleration Situation In Firefox 6

    The GPU Acceleration Situation In Firefox 6

    Mozilla Firefox 6.0 is to be officially released on Tuesday with faster performance, better start-up times, improved plug-in management, greater HTML5 support, more permission controls, and several other features. What's not talked about much, but is huge for the affected Linux users, is that the GPU acceleration situation begins to be sorted out. Firefox 4.

More news

Non-standard use of Gantt chart

Non-standard use of Gantt chart

Gantt chart is a special type of graphs for the planning of complex projects, which used to give an easy overview of the extension in time of one or several activities.

Build simple pie plots

Build simple pie plots

Pie plots often use for visualisation distribution something between somebody for example. Per se they give visual presentation about proportion in which we may divide something. Typical example - analize energy resource consumption - energy in day of the week or day time.

Build visibility diagram

Build visibility diagram

One day I need visualize visibility area of RF-transiver and learn how to build diagram in polar coordinates. Thats my small and i hope useful, experience.

Combine table information with graphs

Combine table information with graphs

This is more design question. Combine table (text information representation) and charts (graphical information representation) is most frequent way to output data from database.

  • Script for found workstations by IP address

    New script for found workstations by IP address. Needed for found specific device in local network with DHCP. When device is switch off for long time, server give him new address after power on, and if device have no VGA interface we lost connect with them.

  • Script for found workstations by IP address 1
  • Script for incremental backup

    Script for incremental backup (only rows with new ID) one database to another. We needed this script for store data from several controllers (with own data) to one server, where main database is installed. Data in remote controllers will update permanently and we need to transfer this data to our server.

  • Script for incremental backup 1
  • How to install GD support for PHP without

    When I recieve message when building jpgraph image "GD library not installed, please reinstall PHP with GD support", I remember that in another same controllers this is no such problems. We need 23_gd.ini file in /etc/php.d directory. This is file listing without comments.

    extension = gd.

  • How to install GD support for PHP without 1
HC project (house concentrator)

HC project (house concentrator)

Software-hardware system based on controller and Mandriva Linux operation system.

Vihregas project (ultras gas measurement system)

Vihregas project (ultras gas measurement system)

Based on ARK-3381 Fanless Embedded Box Computer and Manriva Linux platforms.

Greenie Linux 3.0.2H

Greenie Linux 3.0.2H

Greenie linux is free operational system assigned for everyday usage in households of Middle Europe. It is based on the popular Ubuntu OS.

Wind River Linux 3.0

Wind River Linux 3.0

Wind River Linux is the standard commercial-grade Linux operating system for embedded device development. Based on Linux kernel 2.6.27 and GCC 4.3.2, Wind River Linux 3.

Events

All Linux events

Linux Links

  • Linux FAQ

    Linux FAQ

    This is the list of Frequently Asked Questions for Linux, the Free/Open Source UNIX-like operating system kernel that runs on many modern computer systems.

  • The Bad Apples Linux Cast

    The Bad Apples Linux Cast

    Klaatu, the show-host of TBA, has been a Mac user for a long time.

  • Linux Outlaws

    Linux Outlaws

    Dan Lynch and Fabian Aleksandar Scherschel are two Linux users who produce an interesting and funny Linux show each week.

Another Linux Links