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Saturday, March 16, 2013

Opera (web browser).

Opera is one of the five downloadable extensions, which are available in each version of 4MLinux (the other ones are: CalmAV, Partition Wizard, SMPlayer, and LibreOffice). Once installed, Opera becomes a default web browser.


1) Choose Opera from the Internet Menu:



2) You must confirm the installation:



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




4) You must agree to the License Agreement:



Done!



Note: read this post to learn how to install Firefox with Flash Player in your 4MLinux.

Sunday, March 3, 2013

TheSSS

TheSSS (The Smallest Server Suite) is a lightweight server suite distributed as a live CD. It is designed for system administrators who need a very tiny set of server software for small local area networks. The supported servers are FTP, HTTP, SFTP, SSH, and Telnet. A proxy server (Polipo) with the Tor anonymizer is also included. The main security components are a 4MLinux Firewall (based on iptables) and Clam AntiVirus. TheSSS tries to follow the KISS principle as it was shown in this post.
 
Notes: TheSSS boots in the same way as 4MLinux does (this was described here).

1) Boot your copy of TheSSS:





2) After executing 'help', you will see the following screen:



3) Let's try the 'server' command now:


NOTES: 
There are some links at the bottom of this page. Follow them to learn more about particular servers included in TheSSS.
If you need to configure your Internet connection, you should run the 'netconfig' script (the procedure is very similar to the one described here).


4) Additionally, TheSSS provides antivirus protection, which works in the exact same way as it was shown in this post.



5) The installation of TheSSS to a hard disk drive can be performed by running the 'install2hd' script (have a look at this guide).



6) TheSSS has Midnight Commander (file manager) and Links (text-based web browser), which can be very helpful in some cases:



NOTES: 
TheSSS is able to make a backup of your data (and to send it to a remote FTP server if desired). Just try it yourself by executing 'backup' and 'fsbackup'  commands! 
TheSSS is also able to display a huge number of information about your system. You can view them after executing the 'nmonitor' command.


 

Further reading:
FTP - HTTP - SSH - TELNET - FIREWALL - PROXY - MONITORING

Saturday, March 2, 2013

Proxy server

This is a short guide on how to use a proxy server (Polipo with Tor), which is available in 4MLinux Server Edition, 4MLinux Allinone Edition, and TheSSS.


1) Open your terminal and execute the 'proxy' command:



2) Let's start the server ('proxy start') and check if it really runs ('proxy test'). After you execute these two commands, Links web browser will be opened:
 



3) Open /etc/polipo/readme.txt to get essential info about your proxy server:
 


4) The operating mode of Polipo ('memory', 'disk', or 'tor') can be set in its configuration file (i.e. /etc/polipo/polipo.conf):
 


5) By default, none of 4MLinux servers is started automatically during the boot, but you can change this by setting 'proxy' to 'yes' in the /etc/server/autostart.conf file:




Further reading:
FTP - HTTP - SSH - TELNET - FIREWALL - PROXY - MONITORING

Friday, March 1, 2013

Monitoring software

4MLinux includes a wide set of small monitoring programs using the ncurses interface. These are powerful tools, which are especially useful as a part of your server software. This is why they are included in 4MLinux Server Edition and TheSSS.


1) Execute the 'nmonitor' command in your terminal. The following menu screen will be opened:



2) General system info via nmon:



3) Top running processes via htop:



4) Disk usage via ncdu:



5) Network activity via netwatch:



6) Traffic data via iptraf:



7) WiFi interface via wavemon:



8) Bandwidth usage via iftop:



Further reading:
FTP - HTTP - SSH - TELNET - FIREWALL - PROXY - MONITORING