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Upgrade Debian squeeze to wheezy
Attention this tutorial was written for ARM-Based systems in my case it was a Trim-Slice system, without MBR (without grub). It was a plain Debian without Kernel and boot loader sed -i...
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Bonding
This will be about how to “bond” two Ethernet connections together to create an virtual auto failover interface. If you have from the same ISP (internet service provider) two redundant (different)...
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Internet 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...
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Debian activate bootlogd
At each system restart, userspace messages will be logged to “/var/log/boot”. This will help to analyse problems on remote systems, like you have a monitor during a boot progress. Was tested on Debin...
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Debian disable IPv6
Since Debian 6 (squeeze) this is the working method to disable permanent IPv6. This is reboot safe too. 1 vim /etc/sysctl.d/disable-ipv6.conf 1 net.ipv6.conf.all.disable_ipv6=1 If you have no...
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Etherpad installation
Etherpad is great tool for daily usage which improves productivity of your co workers and your team. So I wrote this step by step 5 Minute installation guide. Was written and tested on Debian 7.3....
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Upgrade Debian Wheezy to Jessie
Pre upgrade recommendations: – run a full backup of your running system – remove unnecessary packages or repositories Upgrade current System 1 2 3 apt-get update apt-get upgrade apt-get dist-upgrade...
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Upgrade to Debian 8 Jessie to 9 Stretch
Pre upgrade recommendations: – run a full backup of your running system – run a backup of all your databases and binary logs (if your database sizes are not explosive big…) – remove unnecessary third...
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VnStat Dashboard
vnstat-Dashboard is a graphical web interface for the command line utility vnstat, a network utility, which shows the actual and previously network traffic statistics for all your network interfaces....
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Active FTP connections
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...
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Upgrade Debian 9 Stretch to 10 Buster
This post describes the upgrade process to Debian 10 aka Buster which isn’t released yet. Official release date is not announced for now but is to be expected in a second or third quarter of 2019. For...
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Debian unattended-upgrades
UnattendedUpgrades is since Debian 9 a part of default installation.Only with graphical desktop environment, its activated by default. For server systems, the following basic configuration is...
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Docker on openSUSE
The official Docker documentation is more than enough for the installation and configuration. For the quick jump into the docker world I wrote some references from the official documentation down. So...
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Configure SPF on Postfix
In a previously post I updated my webmail installation on a self hosted mail system to the latest release. This post will cover SPF (Sender Policy Framework) which is responsible for email...
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TIG – Telegraf InfluxDB Grafana
InfluxDB is a time series database designed to handle high write and query loads. It is an integral component of the TICK or TIG stacks.TIG: Telegraf + InfluxDB + GrafanaTICK: Telegraf + InfluxDB +...
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MySQL/MariaDB replication
MySQL-Replication could be a kind of load balancing for querieng applications or active failover/backup node which has the same data. Also for common heavy loaded scenarios, where the primary...
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Kafka for embedded solutions
Apache Kafka is an open-source distributed event streaming platform used by many companies for high-performance data pipelines, streaming analytics, data integration and mission-critical applications....
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