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work in progress DDI Konzept Dies soll ein generisches DDI Konzept sein, das als Grundlage (Blaupause) dienen kann. Es soll exemplarisch die Stichpunkte liefern,...

Network Services * DhcpD * BinD9 * ProXy * NodeJs * IpAM IP Address Management or DDI if you integrate IpAM with DhcpD and BinD9 * NtP * DDIK...

Security $ "A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.": Antoine de Saint Ex...

Wie man die Digitalisierung trotz Digitalministerium schaffen kann Ich meine mit Digitalisierung zunächst die Digitalisierung der internen Abläufe der Bundesbehör...

Miscellaneous * ResetProximAP4000 How to reset an old access point * Fun A bit more complex 'hello world' in EVERY programming language you never heard of ...

Raspberry Pi 4 with NTP, PPS, GPS und Debian bullseye Work in progress * http://www.gregledet.net/computers/building a stratum 1 ntp server with a raspberry pi...

Raspberry Pi * RaspberryNtpServer2021 * RaspberryGpsNtpServer * GpsHeadFlorianTaeger

(This is a Wiki, feel free to add or edit content; you just need to register.) This is disabled at the moment cause of maintainance, but will be enabled soon. Tag...

How to plot data from ntp with gnuplot Generate some simple data with a script ./ntplog.sh /tmp/ntp.log #!/bin/bash while true do echo n `date %s` ntpq p 1...

Timeserver with ntp WORK IN PROGRESS * EnterpriseTimeServer * EasyDistributeAndBalanceWithPool * NtpLeapsecondFile * NtpVsPtp * MeinbergNtpConfig ...

echo Print your PATH settings in human readable format on your Linux, macOS or Unix box: echo "${PATH//:/$'\n'}" See https://cyberciti.biz/faq/howto print path va...

Utilities * AwK * sed * HereDocuments * EchO * http://code.google.com/p/shellinabox/ * NmaP * RcFiles * fgres a search and replace tool ...

Links to Snowden Material (from and about) * https://github.com/iamcryptoki/snowden archive

ARM Workstation SolidRun * https://www.solid run.com/arm servers networking platforms/honeycomb workstation/ * https://developer.solid run.com/knowledge...

Linux * DebianShowInstalledPackage * PolicyBasedRouting * RedHat * ArmWorkstation

BananaPi NetBSD * https://wiki.netbsd.org/ports/evbarm/install_using_sysinst/ * Images

nmap Examples * nmap p80 Pn iL liste1.txt oG awk '/open/{print $2 " " $3}' * nmap p80 10.167.1.0/24 oG grep open * cat gscan.10.130.0.0 1...

Conexant http://www.conexant.com Hersteller von DSL , Modem , Video und Wireless Chipsätzen (nicht nur WLAN!), der im Februar 2004 mit GlobespanVirata fusioniert...

Get ride of Pocket in Firefox 1 Edit configuration about:config 2 change extensions.pocket.enabled to false * https://www.howtogeek.com/228863/how to rem...

How can i prevent the scrollbar to jump to the clicked location? 1 Edit configuration about:config 2 add ui.scrollToClick=0 (as Number not Boolean) * htt...

FuryBSD Aditional * https://blog.grem.de/pages/t470s.html * graphics/drm fbsd12.0 kmod from source (needs matching kernel) prime origins shells/bash sysut...

Sysadmin FreeBSD * FreeBSDAfterboot * FreeBSDexpl * SerialWithPcenginesAPU * jails * BootEnvironmentsOnFreeBSD * StaticLinkedPackages * Follo...

Information Security Management Systems (ISMS) * ISIS12 https://isis12.it sicherheitscluster.de * BSI Grundschutz * NIST SP800 171 * NIST Cybersecurit...

General Security Bookmarks * https://www.islegitsite.com URL Trust Checker * https://www.smashingsecurity.com Security Podcasts * https://thecyberwire.co...

Coding * MeteorNextBigThing

List of IP Address Management tools (IPAM) and DNS DHCP IPAM (DDI) List of IPAM at Wikipedia commercial * QIP * Infoblox http://www.infoblox.de/de/product...

PXE Install FreeBSD on Soekris net5501 dhcp tftp zfs create o mountpoint=/tftpboot zroot/tftpboot sed i '/^#tftp /s/^#//' /etc/inetd.conf /etc/rc.conf: inetd_...

A v a d a c r a c k work in progress 1 open wp content/themes/Avada/includes/lib/inc/class fusion envato api.php 2 remove $response_code ...

Quick how to RancherOS and Rancher Waschzettel / blurb RancherOS is a very dockercentric linux OS. 1 boot iso 1 sudo passwd rancher 1 ssh rancher@ 1 ...

How to start a very simple webserver with buildin tools /usr/bin/python m SimpleHTTPServer 8000

Mac OS X * OSXSecuritY * OSXdmg2Iso * OSXchangeSshPort * OSXCalDAV * OSXBackupOpenDirectory * OSXeToken * OSXGPGKeychainCrash * OSXKeyboar...

Zero Trust Model Instead of traditional methods such as VPNs and login credentials to establish trust and verify identity, Google relies on a “tiered access” mode...

Security Models * castle, perimeter, wall, inside, outside * ZeroTrust, Kerberos, BeyondCorp, perimeter less

VirtualBoxGuest

Mac OS X Security * Using YubiKey as Smart Card * Smart Card only login * Serveral Login Features

xargs find . name "*.flac" xargs file xargs: unterminated quote find . name "*.flac" print0 xargs 0 file The print0 argument tells find to use the NULL c...

tcpdump tcpdump filter to match DHCP packets including a specific Client MAC Address: tcpdump i eth3 vvv s 1500 '((port 67 or port 68) and (udp 38:4 = 0x00cac...

Copyright This sysadmin.wiki by the contributing authors is licensed under a Creative Commons Attribution 4.0 Unported License.Permissions beyond the scope of thi...

No active remote repositories configured * https://stackoverflow.com/questions/40080493/no active remote repositories configured

Remove the schg flag Use chflags(1) to remove the schg flag. Some files of the base OS are protected by this flag. chflags R noschg /usr/bin

Wireless LAN (WLAN) Grundlagen zu Wireless LAN, Standards, Sicherheit, Technik, FAQ sowie alle Chipsätze und deren Treiber. Neben der Geschichte, Tips und HowTos...

GPIO on a Banana Pi M1 with FreeBSD $ Is there any GPIO on the hardware: dmesg grep gpio $ List available GPIO pins: gpioctl lv or gpioctl f /dev/gpioc1...

use GPIO with FReeBSD * BananaPiM1

ntpd build options working build options for BeagleBone Black with Linux beaglebone 3.8.13 bone70 ./configure ' prefix=/opt/ntp' ' enable all clocks' ' enable ...

Raspberry with a gps clock and a etc RTC * apt get install i2c tools * cat /etc/modules pps gpio * modprobe i2c bcm2708 * modprobe rtc ds1307 ...

Antenna cables * GPSANT https://www.meinberg.de/german/products/gps antenne konverter.htm * handelsüblichem Koaxialkabel (z.B. RG58) = 300m * Koaxi...

GPS head for raspberry pi form Florian Täger Kurz noch ein paar Hilfreiche Details: Das PPS Signal liegt an GPIO 23 an. Auf GPIO 24 liegt das FIX Signal. LED1 hä...

Format a USB stick with ufs * gpart show * gpart destroy F da0 * gpart create s gpt da0 * gpart add t freebsd ufs da0 * newfs /dev/da0p1 * mo...

reset password boot dka100.1.0.6.1 flags 0,1 System will be reset prior to boot. OpenVMS PALcode V1.88 27, Digital UNIX PALcode V1.83 22 FF.FE.FD.FC.FB.FA.F9....