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| 2015-05-02

New Blog Location

Starting from today, my blog moved from http://const-cast.blogspot.com to this n ...

Lothar Braun
1 min read
| 2014-04-12

FreeBSD: make config does not show config option

Today was update-time for my FreeBSD machines. editors/vim required some changes to the options. However, “make config” did not open the usual config dialog. The config dialog requires ports-mgmt/dialog4ports to be installed. While the port was installed on my machine, it also was due to be updated. The stale version of dialog4ports pro ...

Lothar Braun
1 min read
| 2013-05-02

Setting up Flow-Inspector on Your System

Some time ago, our group at TUM created a web frontend that allows users to visualize network flow data. It’s based on Javascript and employs the D3Js library, which allows for dynamic rendering of arbitrary data. We used it to create some visualizations like this one: If you’re interested in how the system works, then have a look at ...

Lothar Braun
21 min read
| 2010-11-13

tftp-hpa setup instructions on mac

Just for backup purposes as I need this tftp server only on-demand: Setup InstructionsNOTE: By default, tftp-hpa listens to the tftp port specified in /etc/services (port 69)on all local addresses. To run tftpd manually for download only access, use this command: sudo tftpd -L -s To run tftpd manually and support tftp uploads, add ...

Lothar Braun
2 min read
| 2010-05-23

cpufreq on debian lenny

First, check whether you already have cpu frequency scaling enabled by running cpufreq-info: ` cpufreq-infocpufrequtils 004: cpufreq-info (C) Dominik Brodowski 2004-2006Report errors and bugs to cpufreq@lists.linux.org.uk, please.analyzing CPU 0:driver: acpi-cpufreqCPUs which need to switch frequency at the same time: 0hardware limi ...

Lothar Braun
3 min read
| 2010-03-06

XCode: 1 source file parsed, no classes found or changed

The XCode Cocoa Application Tutorial states that one has to create a controller class (ConverterController in this tutorial). This controller needs to be included into the Interface Builder (IB) by “Open->Read Class File”. If this is done, there will be an error in the MainMenu XIB/NIB-Window that says: “1 source file parsed, no clas ...

Lothar Braun
1 min read
| 2010-02-03

New Window, New Frame

Create a new window with emacs: C-x 4 b Close the window: C-x 4 0 New frames can be created with C-x 5 b …

Lothar Braun
0 min read
| 2010-02-02

Emacs: Evaluating expressions

Use M-: to evaluate a single elisp expression. You can use this for example for setting variables. For example: If you enabled the mode auto-fill (M-x auto-fill-mode), the default wrap value for your lines is set to 70. You can then use M-: to reset this to a more sane value by entering (setq fill-column) into the minibuffer.

Lothar Braun
1 min read
| 2010-01-30

Macports: Installing gtk-doc

Installing gtk-doc from macports failed on my system due to problems with these configure errors: king for xsltproc… /opt/local/bin/xsltprocchecking for dblatex… nochecking for fop… noconfigure: WARNING: neither dblatex nor fop found, so no pdf output from xmlchecking for XML catalog (/opt/local/etc/xml/catalog)… foundchecking for xmlc ...

Lothar Braun
2 min read
| 2009-12-23

Ignore Joins and parts on irssi

/ignore #channelname[,#channel2] JOINS PARTS ignores JOIN- and PART messages.

Lothar Braun
0 min read
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