Felix J. Ogris' private homepage: some stuff about homemade software, FreeBSD, Linux, computers, and hacking in general.

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recent news

[2023-05-23] ampctrld version 2 lowers the number of addresses to listen on to a maximum of 16.


[2021-04-25] New version of kvmlib allows you to use a different QEMU executable than qemu-system-x86_64, and exits with an error message if you use the cdrom command without a path to an ISO file.

[2023-04-23] If your recent Gentoo Linux box complains that /var/tmp already exists and is not a directory during system boot, i.e. maybe because it is a symlink to /tmp, then create a file named /etc/tmpfiles.d/tmp.conf containing this configuration:
L /var/tmp - - - - /tmp
For further details, you'll have to read the man page of systemd-tmpfiles.
[2023-04-17] If you run a Cyrus IMAP server that suddenly stops exporting some or even all calendar events, you might consider reconstructing the respective mailboxes, e.g. on a FreeBSD server:
# su - cyrus
% sbin/reconstruct -nrGR user.username.#calendars
% sbin/reconstruct -rGR user.username.#calendars

[2023-03-29] grapheqd version 7 supports IPv6 addresses and can listen on multiple addresses at the same time.

[2023-03-28] As announced 18 days ago, ampctrld is a re-implementation of ampcontrol in plain C. It has two new features: It allows you to assign user-defined names to input sources, and can listen on multiple addresses, i.e. an IPv4 and an IPv6 address at the same time. Additionally, it saves system resources:

ampctrld memory consumption


pkg delete node

[2023-03-27] How to get the base64 encoded SHA hash of an existing file, part two:

[2023-03-10] New version of ampcontrol handles initial connection errors, and makes use of the new Buffer API of Node.js.
I need to rewrite it again, though. This time in C, since memory consumption of Node.js is far too heavyweight for my taste:

ampcontrol memory consumption


[2023-02-16] LogBlitz version 13 allows you to assign user roles based on additional environment settings.

[2023-02-15] LogBlitz version 12 introduces user roles.

[2023-01-28] LogBlitz version 11 saves selected filenames in a cookie, and uses different cookies for each user.

[2022-12-18] How to get the base64 encoded SHA hash of an existing file:

[2022-12-09] LogBlitz version 10 comes with a performance improvement if you don't search for regular expressions.

[2022-12-04] My new howto Apache and form based login makes use of mod_auth_form.


[2022-10-27] How to create a Small Python container for Docker


[2022-10-18] New version of s3file.py fixes a highly dangerous error in the examples output (DELETE where GET was meant), and has examples for dealing with metadata.

[2022-10-15] New version of check_tvh.py reloads the cuse kernel module as well.

[2022-10-12] My howto pgAdmin 4 on Gentoo now covers the latest version of pgAdmin 4, and explains how to handle updates of Python.

[2022-09-14] LogBlitz version 9 displays its execution time, and adds the name of the current user to the title of the logout link.

[2022-08-30] If you upgrade to LogBlitz version 8, you might configure a logout url.


[2022-07-31] New howto: Automatic version numbers with Git.

[2022-07-15] Tvhead2TVB version handles activation through a program's info popup correctly, and uses JGoodies as UI library, which comes bundled with TV-Browser.

[2022-06-25] grapheqd version 5 has 3 new features:

[2022-06-18] New howto: pgAdmin 4 on Gentoo.

[2022-06-13] Older versions of the ConvertFrom-SecureString cmdlet did not have an -AsPlainText parameter. When you have to use PowerShell prior to version 7, you might use ConvertSecureStringToPlainText.ps1.

[2022-06-06] Gave both s3file.py and nextcron.py their own pages:

[2022-06-05] New version of s3file.py has command shortcuts for:

[2022-06-02] LogBlitz version 7 supports pyre2, highlights non-matching lines in case of an inverted search, and contains several optimizations.

[2022-05-26] LogBlitz version 6 allows you to display lines before and after each matching line, and highlights every found query string.

old news

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