• Short tip: Forgot WSL root password

    calendar May 4, 2020 · 1 min read · debian  ·
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    If you forget the root password (or a user password) of your WSL installation (Windows Subsystem for Linux), using the registry might help you. Because WSL is rather a lightweight kernel expansion than a full-featured VM, the typical live-CD trick (mounting the filesystem and running chroot) won't help.

    Below the path …


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  • Short tip: Install missing SNMP MIBs under Debian Linux

    calendar Aug 28, 2018 · 2 min read · debian kurztipp  ·
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    Leveraging SNMP is often a pain when appropriate MIB files (Management Information Base) are missing - e.g. because the manufacturer did not document them or only offer them at fee. When utilizing a Perl program recently, I stumbled upon the following issue:

    Cannot find module (SNMPv2-SMI):

    After ensuring that missing …


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  • Monkey web server + PHP5 + SQLite on Raspbian

    calendar May 15, 2014 · 2 min read · debian raspberry-pi  ·
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    Using Raspbian it is possible to convert a Raspberry Pi into a full-featured Webserver with PHP support. Using SQLite the embedded web server is also capable of serving database-driven web applications.

    First of all the official Monkey APT repository needs to be included - this can done very easily by addind a line …


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  • High-availability ad absurdum - instant messenger cluster using DRBD and Finch (Pidgin)

    calendar May 9, 2013 · 15 min read · debian raspberry-pi  ·
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    It is often unjustifiable said that implementing high-availability under Linux is way too complex. Of course you will have to be patient while spending some time in learning the required basics - but all this is feasible for an experienced administrator (or someone who wants to be such an administrator some day). This …
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  • Debian Wheezy's send_nsca and nsca 2.7.2

    calendar Dec 10, 2012 · 1 min read · debian icinga nagios  ·
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    For the first time, a dedicated package for the NSCA agent is added under Debian Wheezy (before there was only a package which combined agent and daemon). The package version is 2.9.1 - which leads to syslog error messages in combination with a NSCA server in version 2.7.2:

    1# cat /var/log/messages
2...
3nsca[30772]: …

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  • Raspbian Linux

    calendar Dec 8, 2012 · 2 min read · debian kurztipp raspberry-pi  ·
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    Raspian is a special customized version of Debian for the Raspberry Pi. By default, this image includes a graphical user interface and some tools like media players and web browers. For some use cases (e.g. servers) this might be not needed. It's also a security breach if you run a server.

    I want to use a Raspberry Pi …


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