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Internet Super Server

February 12, 2013 by Igor Drobot Leave a Comment

super-server

Inetd listens for connections on certain sockets. When a connection is found on one of its sockets, it decides what service the socket corresponds to, and invokes a program to service the request. The server program is invoked with the service socket as its standard input, output and error descriptors.

Essentially, inetd allows running one daemon to invoke several others [Read more…]

Filed Under: Bash, Debian, FTP, HTTP, Linux, Networking, Ubuntu Tagged With: Debian, FTP, inetd, ssh

Alternative SSH-Server – Dropbear

December 14, 2012 by Igor Drobot Leave a Comment

Dropbear is a relatively small open source SSH 2 server. It runs on a variety of POSIX-based platforms.

The perfect environment for this server could be a little low-end system like your mobile phone or BeagleBone.

Installation:

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apt-get install dropbear

apt-get install dropbear

Configuration
vim /etc/default/dropbear

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NO_START=0
DROPBEAR_PORT=22
# Alternative dropbear login banner
DROPBEAR_BANNER="/opt/dropbear-banner"

NO_START=0 DROPBEAR_PORT=22 # Alternative dropbear login banner DROPBEAR_BANNER="/opt/dropbear-banner"

Filed Under: Debian, Linux, Networking, Ubuntu Tagged With: Dropbear, ssh

Roundcube remove server field

October 9, 2012 by Igor Drobot 1 Comment

Roundcube is web based open source multiuser IMAP client, yesterday I upgraded my older installation to a new stable version 0.8.2.

After successfully installation I was able to see a new redesigned login window with stupid server field. [Read more…]

Filed Under: Debian, Linux, Mailing, Networking, Ubuntu Tagged With: IMAP, Roundcube, Webmail

Monitoring with ICQ

September 3, 2012 by Igor Drobot 2 Comments

Another modern method for the mobile age to be up to date everywhere about your infrastructure. Everyone has a mobile device with internet access, you need only a ICQ client to receive information notifications.

Today I’m going to talk about how to bring this idea to live… [Read more…]

Filed Under: Bash, Debian, Linux, Monitoring, Ubuntu Tagged With: centerim-utf8, ICQ, Instant Messaging, Monitoring, ssh

Linux Process Control

July 5, 2012 by Igor Drobot Leave a Comment

Last week I bought a new HDD for one friend and I started a rsync process on my tiny home-server to copy some stuff – it was around 190 GB of different stuff.

This command looks very simple and without unnecessary options but my 400 MHz CPU was pretty quick hot and I got a [Read more…]

Filed Under: Debian, Kernel, Linux, Ubuntu Tagged With: nice, PID, priority, Process, renice, rsync

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