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        <title>hackerbruecke.net</title>
        <description>Christophs outsourced brain</description>
        <link>https://www.hackerbruecke.net/</link>
        <lastBuildDate>Sun, 12 Apr 2026 15:01:35 +0000</lastBuildDate>
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            <title>hackerbruecke.net</title>
            <link>https://www.hackerbruecke.net/</link>
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        <item>
            <title>dnssec</title>
            <link>https://www.hackerbruecke.net/linux/dnssec?rev=1713236436&amp;do=diff</link>
            <description>DNSsec mit Bind9

Standards für die „Domain Name System Security Extensions (DNSSEC)“: RFC 4033, RFC 4034, RFC 4035, RFC 5011 und RFC 5155.





Entropie zur Schlüsselgenerierung

Um genügend Entropie für die Erzeugung der Schlüssel zur Verfügung zu haben, sollte z.B.</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 16 Apr 2024 03:00:36 +0000</pubDate>
        </item>
        <item>
            <title>hardware</title>
            <link>https://www.hackerbruecke.net/linux/debian/hardware?rev=1493131617&amp;do=diff</link>
            <description>2014-06-17



zuerst „Debian OS-Basis-Installation auf Blech“ durchfuehren!!!

zusaetzlich „auf dem Blech“:



### Proxy der UKBW fuer die Installations-Shellsitzung setzen:
export http_proxy=&quot;http://proxy01.ukbw.de:3128/&quot;
### LiHAS GPG-Key importieren:</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:46:57 +0000</pubDate>
        </item>
        <item>
            <title>custom-image</title>
            <link>https://www.hackerbruecke.net/linux/openwrt/custom-image?rev=1493132396&amp;do=diff</link>
            <description>OpenWRT Custom Image erzeugen

&lt;http://wiki.openwrt.org/doc/howto/obtain.firmware.generate&gt;



Für D-Link 825 B1/C1: Barrier Breaker for ar71xx architecture


cd ~
mkdir openwrt &amp;&amp; cd openwrt
wget http://downloads.openwrt.org/snapshots/trunk/ar71xx/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64.tar.bz2
tar -xvjf OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64.tar.bz2
cd OpenWrt-ImageBuilder-ar71xx_generic-for-linux-x86_64</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:59:56 +0000</pubDate>
        </item>
        <item>
            <title>amavisd</title>
            <link>https://www.hackerbruecke.net/linux/email/amavisd/amavisd?rev=1493132275&amp;do=diff</link>
            <description>AmaVisd-new

/etc/amavis/amavisd.conf:
use strict;

# a minimalistic configuration file for amavisd-new with all necessary settings
#
#   see amavisd.conf-default for a list of all variables with their defaults;
#   see amavisd.conf-sample for a traditional-style commented file;
#   for more details see documentation in INSTALL, README_FILES/*
#   and at http://www.ijs.si/software/amavisd/amavisd-new-docs.html


# COMMONLY ADJUSTED SETTINGS:

# @bypass_virus_checks_maps = (1);  # uncomment to DI…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:57:55 +0000</pubDate>
        </item>
        <item>
            <title>fully_encrypted_debian</title>
            <link>https://www.hackerbruecke.net/linux/fully_encrypted_debian?rev=1506205530&amp;do=diff</link>
            <description>Full disk encryption with LUKS (inklusive /boot)

Referenzen:

	*  &lt;http://www.pavelkogan.com/2014/05/23/luks-full-disk-encryption/&gt;
	*  &lt;http://www.pavelkogan.com/2015/01/25/linux-mint-encryption/&gt;
	*  &lt;https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system&gt;
	*  &lt;http://www.schmidp.com/2014/12/12/full-disk-encryption-with-grub-2-+-luks-+-lvm-+-swraid-on-debian/&gt;
	*  &lt;https://unix.stackexchange.com/questions/160504/lvm-ontop-of-luks-using-grub&gt;
	*  &lt;https://systemausfall.org/w…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sat, 23 Sep 2017 22:25:30 +0000</pubDate>
        </item>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/commserv/egroupware/config?rev=1293466841&amp;do=diff</link>
            <description>eGroupWare Version 1.4.001

pre-requisites:

	*  required PHP version 4.3+ (recommended 5+)
	*  php.ini: safe_mode = Off
	*  php.ini: magic_quotes_runtime = Off
	*  php.ini: register_globals = Off
	*  php.ini: memory_limit &gt;= 16M
	*  php.ini: max_execution_time &gt;= 30</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:41 +0000</pubDate>
        </item>
        <item>
            <title>monitoring</title>
            <link>https://www.hackerbruecke.net/linux/email/monitoring/monitoring?rev=1493132284&amp;do=diff</link>
            <description>Monitoring

email-monitoring

	*  create „/var/lib/rrd“

Mailgraph

mailgraph is a very simple mail statistics RRDtool frontend for Postfix that produces daily, weekly, monthly and yearly graphs of received/sent and bounced/rejected mail (SMTP traffic).</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:58:04 +0000</pubDate>
        </item>
        <item>
            <title>relayhost</title>
            <link>https://www.hackerbruecke.net/linux/email/postfix/relayhost?rev=1493132193&amp;do=diff</link>
            <description>Postfix configuration for a relayhost (MX) / Anti-SPAM-/UCE-settings

smtpd (smtp + daemon) = server = Postfix receives mail from a client 

smtp = client = Postfix sends mail to another mailserver 


 used Ports:
  10023/tcp: postgrey
10024/tcp: amavisd-new
10025/tcp: policyd-weight</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:56:33 +0000</pubDate>
        </item>
        <item>
            <title>tipps</title>
            <link>https://www.hackerbruecke.net/linux/sed/tipps?rev=1493132406&amp;do=diff</link>
            <description>SED-Tipps

Kommentare mit # und Leerzeilen herausfiltern:

sed -e &#039;/^#/d&#039; -e &#039;/^$/d&#039;



Kommentar entfernen, bei dem ausschliesslich Leerzeichen oder Tabulatoren vor der Raute stehen:

sed -e &#039;/^*#/d&#039; -e &#039;/^$/d&#039; Eingabe-Datei &gt; Ausgabedatei



Löschen aller Zeilen, die höchstens Leerzeichen beinhalten:</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 15:00:06 +0000</pubDate>
        </item>
        <item>
            <title>sarg</title>
            <link>https://www.hackerbruecke.net/linux/commserv/squid/sarg?rev=1408135580&amp;do=diff</link>
            <description>SARG

/etc/crontab:
### SQUID-Monitoring via Sarg:
00 06-19/1 * * *        root    /usr/local/chhaas-skripts/sarg-reports.sh today &gt; /dev/nul
00 00 * * *     root    /usr/local/chhaas-skripts/sarg-reports.sh daily &gt; /dev/nul
00 01 * * 1     root    /usr/local/chhaas-skripts/sarg-reports.sh weekly &gt; /dev/nul
30 02 1 * *     root    /usr/local/chhaas-skripts/sarg-reports.sh monthly &gt; /dev/nul</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Fri, 15 Aug 2014 20:46:20 +0000</pubDate>
        </item>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/email/postfix/config?rev=1712422579&amp;do=diff</link>
            <description>Postfix

smtpd (smtp + daemon) = server = Postfix receives mail from a client 

smtp = client = Postfix sends mail to another mailserver 


Edit /etc/postfix/main.cf
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
mail_owner = postfix
smtpd_banner = mail.example.org
myhostname = mail.example.org
myorigin = example.org
mydestination = mail.example.org
mynetworks = 127.0.0.0/8, 10.0.0.0/8
alias_maps = hash:/etc/aliases, ldap:virtualaliases…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sat, 06 Apr 2024 16:56:19 +0000</pubDate>
        </item>
        <item>
            <title>mozilla_funambol</title>
            <link>https://www.hackerbruecke.net/linux/commserv/egroupware/clients/mozilla_funambol?rev=1293466841&amp;do=diff</link>
            <description>Mozilla Thunderbird with Mozilla Lightning and Funambol-plugin

Mozilla Lightning:

&lt;http://www.mozilla.org/projects/calendar/lightning/download.html&gt; 


Funambol Mozilla PIM plugin:

&lt;http://sourceforge.net/project/showfiles.php?group_id=149326&gt; 


direct-link to v0.3.2:

&lt;http://dfn.dl.sourceforge.net/sourceforge/sync4jmozilla/Funambol-Pim-Plugin-win32-v0.3.2.xpi&gt;</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:41 +0000</pubDate>
        </item>
        <item>
            <title>temper1</title>
            <link>https://www.hackerbruecke.net/linux/monitoring/icinga/hardware/temper1?rev=1493132385&amp;do=diff</link>
            <description>Temperaturmessungen mit dem TEMPer1 USB sensor

Vor einiger Zeit begann ich zuhause mir einen kleinen Serverraum einzurichten - mein Datenklo ;-).

In diesem Serverraum sollte natürlich auch die Raumtemperatur mit Icinga oder Nagios überwacht werden. - Natürlich gibt es verschiedene quasi out-of-the-box Lösungen, wie z.B.</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:59:45 +0000</pubDate>
        </item>
        <item>
            <title>installation</title>
            <link>https://www.hackerbruecke.net/linux/commserv/installation?rev=1408110705&amp;do=diff</link>
            <description>Installation of the Linux OS



SuSE 10.0 Professional

Because of problems with the 64-bit-version of the CAPI-driver for the AVM B1-Cards used in my commserv, only the 32-bit-version of SUSE 10.0 can be used. Maybe with later versions of openSUSE this changes</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Fri, 15 Aug 2014 13:51:45 +0000</pubDate>
        </item>
        <item>
            <title>all</title>
            <link>https://www.hackerbruecke.net/linux/debian/all?rev=1493131598&amp;do=diff</link>
            <description>2014-08-08



zuerst „Debian OS-Basis-Installation auf Blech“ durchfuehren!!!

auf allen Server-Instanzen („Blech“, Linux VServer, LXC):



### Proxy der UKBW fuer die Installations-Shellsitzung setzen:
export http_proxy=„&lt;http://proxy01.ukbw.de:3128/&gt;“

### LiHAS GPG-Key importieren:
wget -O -</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:46:38 +0000</pubDate>
        </item>
        <item>
            <title>desktop</title>
            <link>https://www.hackerbruecke.net/linux/debian/desktop?rev=1493131583&amp;do=diff</link>
            <description>2013-12-27




fuer Desktops zusaetzlich:



kde-full
lightdm-kde-greeter
alsamixergui
amarok
audacity
audacity-data
bc
chromium-browser / chromium
chromium-browser-l10n / chromium-l10n
chromium-codecs-ffmpeg-extra 
cifs-utils
clusterssh
cryptsetup
cryptsetup-bin
cups
cups-browsed
cups-bsd
cups-client
cups-common
cups-daemon
cups-filters
cups-ppdc
dnsmasq
duplicity
ethtool
fuse
gnupg
gnupg-agent
gnupg2
gpgsm
gpgv
hplip
hplip-data
hplip-gui
htop
ifupdown / ifupdown-scripts-zg2
keepassx
kgpg
libre…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:46:23 +0000</pubDate>
        </item>
        <item>
            <title>gosa_secure</title>
            <link>https://www.hackerbruecke.net/linux/commserv/gosa/gosa_secure?rev=1293466843&amp;do=diff</link>
            <description>force GOsa using ldaps

Change the server-configuration in the „location“-section of /etc/gosa.conf from:
server=&quot;ldap://localhost:389&quot;
to:
server=&quot;ldaps://localhost:636&quot;
tls=&quot;true&quot;
&lt;referral url=&quot;ldaps://localhost:636/dc=example,dc=com&quot;
 admin=&quot;cn=ldapadmin,dc=example,dc=com&quot;
 password=&quot;verysecretpassword&quot;
/&gt;</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:43 +0000</pubDate>
        </item>
        <item>
            <title>cpan2rpm</title>
            <link>https://www.hackerbruecke.net/linux/commserv/other/cpan2rpm?rev=1293466841&amp;do=diff</link>
            <description>cpan2rpm

At &lt;http://sourceforge.net/project/showfiles.php?group_id=74018&gt; you can download a RPM-builder for CPAN-Perl-modules.


The man-page stats: 

cpan2rpm [options] &lt;distribution&gt;

The syntax for cpan2rpm requires a single distribution name, which can take one of four different forms:

	*  a CPAN module name (e.g. XML::Simple) - When a module name is passed, the script will ``walk&#039;&#039; search.cpan.org to     determine the latest distribution. If an exact match is not found, the CPAN module i…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:41 +0000</pubDate>
        </item>
        <item>
            <title>pear_makerpm</title>
            <link>https://www.hackerbruecke.net/linux/commserv/other/pear_makerpm?rev=1293466841&amp;do=diff</link>
            <description>PEAR and PECL

What is PECL?


PECL is a repository for PHP Extensions, providing a directory of all known extensions and hosting facilities for downloading and development of PHP extensions.



The packaging and distribution system used by PECL is shared with its sister, PEAR.</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:41 +0000</pubDate>
        </item>
        <item>
            <title>postgrey</title>
            <link>https://www.hackerbruecke.net/linux/email/greylisting/postgrey?rev=1493136147&amp;do=diff</link>
            <description>Greylisting

For a overview what greylisting does, have a look at www.greylisting.org/ 



There are several greylisting daemons for Postfix available. I stick to David Schweikert&#039;s Postgrey or to Lionel Bouton&#039;s SQLgrey in combination with it&#039;s web-interface http://www.vanheusden.com/sgwi/



Postgrey

Postgrey greylisting daemon</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 16:02:27 +0000</pubDate>
        </item>
        <item>
            <title>pfs</title>
            <link>https://www.hackerbruecke.net/linux/email/postfix/pfs?rev=1493132175&amp;do=diff</link>
            <description>Postfix Perfect Forwarding Secrecy (PFS)


openssl gendh -out /etc/postfix/dh_512.pem -2 512
openssl gendh -out /etc/postfix/dh_1024.pem -2 1024

postconf -e &quot;smtpd_tls_dh1024_param_file = /etc/postfix/dh_1024.pem&quot;
postconf -e &quot;smtpd_tls_dh512_param_file = /etc/postfix/dh_512.pem&quot;
postconf -e &quot;smtpd_tls_eecdh_grade = strong&quot;
postconf -e &quot;tls_preempt_cipherlist = yes&quot;
postconf -e &quot;smtpd_tls_loglevel = 1&quot;
postconf -e &quot;smtp_tls_loglevel = 1&quot;

postfix reload</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:56:15 +0000</pubDate>
        </item>
        <item>
            <title>outlook_funambol</title>
            <link>https://www.hackerbruecke.net/linux/commserv/egroupware/clients/outlook_funambol?rev=1293466841&amp;do=diff</link>
            <description>Outlook with Funambol

&lt;http://sourceforge.net/projects/funambol/&gt;</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:41 +0000</pubDate>
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