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Cubietruck

November 28, 2018 by Igor Drobot Leave a Comment

cubietruck

Actually my Cubietruck is exactly four years old and still performing great.
Board production is still alive and buyable fo 69€.

This post is just a review of a great product, use cases, modifications and recommendations.
[Read more…]

Filed Under: Debian, DIY, Kernel, Linux Tagged With: ARM, Cubieboard, Cubieboard 3, Cubietruck, DIY, Linux, WIFI

Active FTP connections

August 27, 2018 by Igor Drobot Leave a Comment

Debian

After Debian-Upgrade to version 9, usual active FTP-connection-support was not more present as expected.

All connections from a FTP-client run into a error message and connection-hang without the remote directory listing: [Read more…]

Filed Under: Debian, Linux, Networking Tagged With: Active FTP, Debian, FTP

Hetzner /28 Subnet with KVM

January 29, 2014 by Igor Drobot 6 Comments

Hetzner

Subnet configuration on a Hetzner dedicated root server (EX40) is a bit tricky than a normal additional single ip addresses that you can buy for 1EUR. So I wrote the configuration down: [Read more…]

Filed Under: Debian, Linux, Networking, Virtualization Tagged With: hetzner, KVM, virtualization

Debian disable IPv6

June 13, 2013 by Igor Drobot Leave a Comment

debian_logo

Since Debian 6 (squeeze) this is the working method to disable permanent IPv6 implementation. This method is also reboot safe.

cat /etc/sysctl.d/disable-ipv6.conf
net.ipv6.conf.all.disable_ipv6=1

cat /etc/sysctl.d/disable-ipv6.conf net.ipv6.conf.all.disable_ipv6=1

If you have no possibility to restart your system yet, this change can be made immediately work by executing:

sysctl -p /etc/sysctl.d/disable-ipv6.conf

sysctl -p /etc/sysctl.d/disable-ipv6.conf

Anothe method – perfect for firewall scripts:

echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6

echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6

Filed Under: Debian, IPv6, Linux, Networking Tagged With: Debian, Ipv6

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

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