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Month: August 2010

Recovering a deleted file in Subversion

Posted on August 31, 2010 by insaniac

Many times I have been looking on the Internet to find a suitable solution for this, but in the end I’ve created my own solution. These next steps will explain how to recover a deleted file back into the HEAD revision, in a Subversion repositry.

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Updating Darwin ports on Mac OS X

Posted on August 29, 2010 by insaniac

MacOSX can install and upgrade your favourite UNIX and Linux packages. The Darwin Ports project (http://darwinports.com/) was created to help in these tasks. First we need to update the list of updates available on the internet: $ sudo su – # /opt/local/bin/port -d selfupdate Secondly, we update the already installed Darwin ports: # /opt/local/bin/port upgrade…

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Simple webserver in Perl

Posted on August 10, 2010 by insaniac

I had to mimic a certain web application for a customer I’m currently working for, so I’ve created a small standard webserver in Perl using HTTP::Daemon. The only thing it does, is serving one particular file.

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Calculate netmask in Perl

Posted on August 6, 2010January 25, 2017 by insaniac

This is a small code snippet I wrote along time ago for a bigger framework I’ve created. No extra modules are required. It calculates the netmask of a network based on the network address and network bit (CIDR notation). #!/usr/bin/perl use strict; use warnings; sub _calc_netmask { my($subnet) = @_; # e.g.: 10.0.0.0/24 192.168.1.0/16 my($network,…

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Perl script: speed.pl

Posted on August 5, 2010 by insaniac

A small script I wrote to see how fast a file grows (for instance when it’s being copied from one partition to another, disk to disk, network to network, …) #!/usr/bin/perl use strict; use warnings; my $file = shift @ARGV; $| = 1; my @LABELS = qw/kbytes mbytes gbytes/; my $prev_size = -s $file; my…

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Recent Posts

  • Use multiple Azure subscriptions in Terraform modules
  • Read the HAProxy UNIX socket file using Perl
  • A Prometheus Exporter framework written in Perl
  • Managing LDAP passwords with Perl
  • Libvirt guest startup issue with AppArmor
  • Deploy a PostgreSQL database with an initial schema using Ansible
  • Using Ansible to finalize Hashicorp Packer images

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