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Wednesday, November 26, 2014

Printing and scanning

4MLinux 10.1 and later includes support for many printers and scanners. This is a short guide on how to use and manage these devices in 4MLinux.

1) Virtual PDF printer. This feature is enabled out of the box. Just try to print any document. The printout will be saved in your home directory:










2) CUPS web interface. 4MLinux uses CUPS web interface to manage printers. You will need root's password (which you can generate/update in your terminal with the "passwd" command). Now click on the printer icon:





3) Scanners. The list of supported devices can be found here. All you have to do is click on the scanner icon and follow the instructions:





4) Additional drivers. Visit the download section of 4mlinux.com. You will find the link to additional drivers there. After downloading, you can install them with the "zk" command:




These drivers provide support for all HP printers/scanners as well as for many other devices listed here. Use the Administration section of CUPS web interface (see: point 2 above) to add your printer.
 

Friday, October 10, 2014

Playing and recording webcam streams

4MLinux 10.0 (and later) includes an improved support for webcams, which makes it possible to play/record video streams from your device.

Note:
If you are going to use your webcam with Skype, you may also have a look at this post.

1) Open your terminal and execute the "webcam" command:



2) Let's try to play (with "webcam play"):




3) Time to record something (with "webcam record"):



Note:
The only proper way to stop recording is pressing "q". Any other method may hang your system!

4) The output file can be found in the Videos directory:



Friday, August 22, 2014

Skype for (4M)Linux

Skype is is one of so called "downloadable extensions" (i.e. optional software in 4MLinux, which is installed in the /opt directory by default).


1) Choose Skype from the Extensions menu:



2) You must confirm the installation:



3) Now 4MLinux will download and install the newest Skype for you:





4) You may need to adjust capture items, using either AlsaMixer or QasMixer:




Note: 
4MLinux supports UVC and gspca webcams out of the box.
Drivers for other devices are available at www.4mlinux.com

Saturday, June 28, 2014

Development packages

4MLinux 9.0 (and later) supports a fully automatic installation of the set of development packages needed to compile the Linux kernel and other software written in C and C++. This is one of so called "downloadable extensions" (i.e. optional software in 4MLinux, which is installed in the /opt directory by default).

1) Select Development from the Extensions menu:
 


2) 4MLinux will download and install development packages for you:
 
 


3) You can open the /opt directory to find out what has been installed:



4) Now you have enough to build the Linux kernel, all the programs that are included in the basic version of 4MLinux, and Wine. It is also possible to install the "vanilla" version of Clang with  LLVM just in one click:



5) If you are going to compile programs written in Qt, you should download Qt Online Installer:



Note:
After installing Qt, don't forget to copy its executables, libraries, and headers. For example:
cp -fr /usr/lib/qt/5.3/gcc/bin /usr
cp -fr /usr/lib/qt/5.3/gcc/lib /usr
cp -fr /usr/lib/qt/5.3/gcc/include /usr

Wednesday, May 28, 2014

Live CD to compile programs

Devel Live CD includes a development toolchain from 4MLinux which makes it possible to compile the Linux kernel and other software written in C and C++.

Note: Devel Live CD boots in the same way as 4MLinux does (this was described here).

1) Select Installer from the Devel Menu:



2) Confirm the installation by choosing 'y' and pressing Enter:


 
Now you have the minimum required to compile programs written in C and C++. A big collection of additional development software has been installed, too (enough to compile all programs, which are included in basic version of 4MLinux).

3) You can also download additional "alien" (i.e. not 4MLinux native) packages:



HINT:
All the file managers, which are included in Devel Live CD (Midnight Commander, Path Finder, and X File Explorer), are able to open rpm, deb, and other archives. Please refer to this post for details.


Sunday, April 27, 2014

LibreOffice suite.

LibreOffice is is one of so called "downloadable extensions" (i.e. optional software in 4MLinux, which is installed in the /opt directory by default).


1) Choose LibreOffice from the Extensions menu:



2) You must confirm the installation:



3) Now 4MLinux will download and install the newest LibreOffice for you:




Note: 
LibreOffice suite integrates with the rest of the 4MLinux desktop, meaning that you will be able to open your documents with any of the following file managers: Midnight Commander, Path Finder, and X File Explorer.

Thursday, March 27, 2014

Oracle VirtualBox

4MLinux 8.1 (and later) supports a fully automatic installation of the vanilla version of Oracle VirtualBox. This is one of so called "downloadable extensions" (i.e. optional software in 4MLinux, which is installed in the /opt directory by default).

1) Select VirtualBox from the Extensions menu:
 



2) 4MLinux will download and install VirtualBox for you:
 



3) Time to configure your new application:


Friday, February 28, 2014

Java Runtime Environment

4MLinux 8.1 (and later) supports a fully automatic installation of the vanilla version of Java Runtime Environment. This is one of so called "downloadable extensions" (i.e. optional software in 4MLinux, which is installed in the /opt directory by default).

1) Select Java RE from the Extensions menu:

 

2) Default security settings in Java are curiously high nowadays. This why I recommend to change them from "High" to "Medium":




3) Now you have everything needed to run JAR and JNLP files. Just double click on the file, which you want to open. Let's take JAP (privacy generator) as an examlpe:


  Have fun :-)


 *****

Wednesday, January 29, 2014

P2P networking

4MLinux 8.0 (and later) supports peer-to-peer networking via rTorrent (powerfull BitTorrent client) and eMule (famous P2P file sharing application).

1) Torrents. You can use any of the file managers, which are included in 4MLinux. Just double click on your torrent file to start downloading with rTorrent:





2) eMule. 4MLinux uses Wine to run eMule:




3) Downloaded files. You will find your new files in the "Downloads" folder (used by both rTorrent and eMule):


That's it !