Sysadmin > WebChanges
200 recent changes in Sysadmin Web retrieved at 05:15 (GMT)
WebStatistics
Statistics for Sysadmin Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads:...
r995 - 25 Jun 2022 - 22:00 by AdminUser
RaspberryPiCluster
How to setup a Raspberry Pi Cluster with k3s and rancher You have one or more Raspberry Pi 4 1 Install Raspberry Pi OS Lite (64 Bit) with the Raspberry Pi Imag...
NEW - 22 Jun 2022 - 20:13 by StephanPietzko
RaspberryPi
Raspberry Pi * RaspberryZeroUsbDongle * RaspberryNtpServer2021 * RaspberryGpsNtpServer * GpsHeadFlorianTaeger * RaspberryPiCluster
r4 - 22 Jun 2022 - 20:10 by StephanPietzko
NetflowAnalyse
Netflow Analyse and Netflow for IDS * Argus (open) * SiLK (open) * Arbor Peakflow X / Pravail NSI (commercial) * YAF * iSiLK * Bro * Lancope ...
r3 - 22 Jun 2022 - 15:28 by StephanPietzko
NetFlow
Netflow * NetflowAnalyse contains following information: 1 Source IP address 1 Destination IP address 1 Source port for UDP or TCP, 0 for other protocol...
r5 - 22 Jun 2022 - 10:59 by StephanPietzko
WebHome
(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...
r83 - 22 Jun 2022 - 10:59 by StephanPietzko
ITSecurityInaNutshell
IT Security in a nutshell Through my long career as a security professional, i am still annoyed how complex and inefficient IT Security most of the time is. You h...
r5 - 21 Jun 2022 - 17:30 by StephanPietzko
NistCSF
NIST Cybersecurity Framework This is here for referential purpose only. Whenever you need information about the NIST CSF, go to the original source! Though the Cy...
NEW - 19 Jun 2022 - 20:20 by StephanPietzko
SiaNAssetManagement
Asset Management (ID.AM) NIST CSF The data, personnel, devices, systems, and facilities that enable the organization to achieve business purposes are identified ...
r2 - 19 Jun 2022 - 19:41 by StephanPietzko
FirewallBestPracticeDE
(Cisco) Firewall Best Practices auf deutsch Das GUI als auch die CLI sollen gleichwertig benutzbar sein. Features, die den jeweils anderen Weg behindern sind zu v...
r3 - 19 Jun 2022 - 10:18 by StephanPietzko
SecurityAndPentests
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...
r29 - 19 Jun 2022 - 09:30 by StephanPietzko
IpAM
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...
r9 - 17 Jun 2022 - 20:42 by StephanPietzko
AnsibLe
ansible configuration management Installation View installation instructions First Steps # ansible version ansible 1.6.6 Add some host to /etc/ansible/hosts a...
r3 - 25 Apr 2022 - 10:54 by StephanPietzko
HowtoSortIPs
How to sort IPs with gnu sort sort n t . k 1,1 k 2,2 k 3,3 k 4,4 /verbatim
r2 - 22 Feb 2022 - 06:14 by StephanPietzko
HereDocuments
Here documents or heredoc Multi line message using cat #!/bin/sh cat Multi line message using cat, with tabs suppressed #!/bin/sh cat Multi line message usi...
r2 - 12 Feb 2022 - 17:49 by StephanPietzko
LaTeXInstall
Installation packages needed in pkgsrc How to install a usable latex with pkgsrc Install: * print/xetex * print/tex koma script * print/tex babel * p...
r4 - 27 Dec 2021 - 13:34 by StephanPietzko
RaspberryZeroUsbDongle
Raspberry Pi Zero USB Dongle How to setup a Raspberry Pi Zero as a easy to use Linux Accessory. Links: * https://www.youtube.com/watch?v=IR6sDcKo3V8 * http...
r3 - 08 Dec 2021 - 19:27 by StephanPietzko
WieManDieDigitalisierungTrotzDigitalministeriumSchaffenKann
Wie man die Digitalisierung trotz Digitalministerium schaffen kann Ich meine mit Digitalisierung zunächst die Digitalisierung der internen Abläufe der Bundesbehör...
r3 - 07 Dec 2021 - 22:14 by StephanPietzko
NtpPeerProblemWindows
Problem with NTP queries from Windows as peer wir hatten letztens einen Ausfall in der AD, nachdem die Zeitserver (NTP1 NTP6) einen Patch bekommen haben. Der P...
NEW - 06 Dec 2021 - 12:02 by StephanPietzko
NtP
Timeserver with ntp WORK IN PROGRESS * EnterpriseTimeServer * EasyDistributeAndBalanceWithPool * NtpLeapsecondFile * NtpVsPtp * MeinbergNtpConfig ...
r20 - 06 Dec 2021 - 11:58 by StephanPietzko
SsH
ssh and ~/.ssh/config Work in progress * http://www.cyberciti.biz/faq/create ssh config file on linux unix/ * fefe about ssh * ssh best practice
r3 - 05 Dec 2021 - 21:44 by StephanPietzko
PlayWithRandomNumbers
Random Numbers Usefull tools * ent ent b file * rngtest cat /dev/hwrng rngtest c 1000 * dieharder cat /dev/hwrng dieharder d 0 vv * base58 ...
NEW - 05 Dec 2021 - 14:38 by StephanPietzko
LargeDotFiles
How to render large dot files * sfdp x Tpng decix.fw.dot o graph1.png * sfdp x Goverlap=scale Tpng decix.fw.dot o graph1.png * neato x Goverlap...
r2 - 21 Nov 2021 - 22:33 by StephanPietzko
DDIKonZept
work in progress DDI Konzept Dies soll ein generisches DDI Konzept sein, das als Grundlage (Blaupause) dienen kann. Es soll exemplarisch die Stichpunkte liefern,...
r5 - 22 Sep 2021 - 13:34 by StephanPietzko
SerVices
Network Services * DhcpD * BinD9 * ProXy * NodeJs * IpAM IP Address Management or DDI if you integrate IpAM with DhcpD and BinD9 * NtP * DDIK...
r9 - 20 Sep 2021 - 09:58 by StephanPietzko
MiscellaneouS
Miscellaneous * ResetProximAP4000 How to reset an old access point * Fun A bit more complex 'hello world' in EVERY programming language you never heard of ...
r3 - 31 Aug 2021 - 05:21 by StephanPietzko
RaspberryNtpServer2021
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...
NEW - 01 Jul 2021 - 22:32 by StephanPietzko
PlotNtpData
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...
NEW - 18 Jun 2021 - 15:21 by StephanPietzko
EchO
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...
NEW - 18 Jun 2021 - 06:00 by StephanPietzko
UtilitIes
Utilities * AwK * sed * HereDocuments * EchO * http://code.google.com/p/shellinabox/ * NmaP * RcFiles * fgres a search and replace tool ...
r45 - 18 Jun 2021 - 06:00 by StephanPietzko
SnowdenLinks
Links to Snowden Material (from and about) * https://github.com/iamcryptoki/snowden archive
NEW - 31 May 2021 - 10:57 by StephanPietzko
ArmWorkstation
ARM Workstation SolidRun * https://www.solid run.com/arm servers networking platforms/honeycomb workstation/ * https://developer.solid run.com/knowledge...
NEW - 14 May 2021 - 11:18 by StephanPietzko
LinuX
Linux * DebianShowInstalledPackage * PolicyBasedRouting * RedHat * ArmWorkstation
r4 - 14 May 2021 - 10:59 by StephanPietzko
BananaPi
BananaPi NetBSD * https://wiki.netbsd.org/ports/evbarm/install_using_sysinst/ * Images
NEW - 13 May 2021 - 18:53 by StephanPietzko
NmaP
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...
r3 - 10 Apr 2021 - 13:12 by StephanPietzko
WhoIsWhoConexant
Conexant http://www.conexant.com Hersteller von DSL , Modem , Video und Wireless Chipsätzen (nicht nur WLAN!), der im Februar 2004 mit GlobespanVirata fusioniert...
r3 - 22 Mar 2021 - 13:41 by StephanPietzko
GetRideOfPocketInFirefox
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...
NEW - 16 Mar 2021 - 20:07 by StephanPietzko
PreventingFirefoxFromJumpToTheClickedLocation
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...
r3 - 16 Mar 2021 - 20:04 by StephanPietzko
FuryBSD
FuryBSD Aditional * https://blog.grem.de/pages/t470s.html * graphics/drm fbsd12.0 kmod from source (needs matching kernel) prime origins shells/bash sysut...
r2 - 16 Mar 2021 - 17:44 by StephanPietzko
FreeBSD
Sysadmin FreeBSD * FreeBSDAfterboot * FreeBSDexpl * SerialWithPcenginesAPU * jails * BootEnvironmentsOnFreeBSD * StaticLinkedPackages * Follo...
r30 - 15 Mar 2021 - 21:26 by StephanPietzko
IsmsFrameworks
Information Security Management Systems (ISMS) * ISIS12 https://isis12.it sicherheitscluster.de * BSI Grundschutz * NIST SP800 171 * NIST Cybersecurit...
NEW - 14 Mar 2021 - 19:52 by StephanPietzko
SecurityBookmarks
General Security Bookmarks * https://www.islegitsite.com URL Trust Checker * https://www.smashingsecurity.com Security Podcasts * https://thecyberwire.co...
NEW - 14 Mar 2021 - 11:16 by StephanPietzko
CodIng
Coding * MeteorNextBigThing
r2 - 17 Feb 2021 - 08:21 by StephanPietzko
PXEInstallOnSoekrisNet5501
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_...
r2 - 16 Oct 2020 - 07:44 by StephanPietzko
AvaDa
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 ...
NEW - 30 Aug 2020 - 11:24 by StephanPietzko
RancherOS
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 ...
r2 - 13 Jun 2020 - 10:31 by StephanPietzko
OSXStartSimpleWebserver
How to start a very simple webserver with buildin tools /usr/bin/python m SimpleHTTPServer 8000
NEW - 11 Jun 2020 - 22:06 by StephanPietzko
MacOSX
Mac OS X * OSXSecuritY * OSXdmg2Iso * OSXchangeSshPort * OSXCalDAV * OSXBackupOpenDirectory * OSXeToken * OSXGPGKeychainCrash * OSXKeyboar...
r18 - 11 Jun 2020 - 22:05 by StephanPietzko
ZeroTrust
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...
NEW - 06 Jun 2020 - 12:18 by StephanPietzko
SecurityModels
Security Models * castle, perimeter, wall, inside, outside * ZeroTrust, Kerberos, BeyondCorp, perimeter less
NEW - 06 Jun 2020 - 12:14 by StephanPietzko
VirtualBoxGuest
VirtualBoxGuest
NEW - 20 May 2020 - 05:55 by StephanPietzko
OSXSecuritY
Mac OS X Security * Using YubiKey as Smart Card * Smart Card only login * Serveral Login Features
NEW - 09 May 2020 - 06:07 by StephanPietzko
XarGs
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...
r2 - 08 May 2020 - 13:20 by StephanPietzko
TcpDump
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...
r2 - 11 Mar 2020 - 10:08 by StephanPietzko
CopyRight
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...
r10 - 08 Dec 2019 - 22:18 by StephanPietzko
PkgUpdateFailed
No active remote repositories configured * https://stackoverflow.com/questions/40080493/no active remote repositories configured
NEW - 26 Nov 2019 - 23:03 by StephanPietzko
RemoveUnremoveableFiles
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
NEW - 25 Nov 2019 - 13:54 by StephanPietzko
WirelessLAN
Wireless LAN (WLAN) Grundlagen zu Wireless LAN, Standards, Sicherheit, Technik, FAQ sowie alle Chipsätze und deren Treiber. Neben der Geschichte, Tips und HowTos...
r211 - 24 Nov 2019 - 09:40 by StephanPietzko
BananaPiM1
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...
NEW - 17 Nov 2019 - 20:37 by StephanPietzko
GpIO
use GPIO with FReeBSD * BananaPiM1
NEW - 17 Nov 2019 - 20:26 by StephanPietzko
NtpBuildOptions
ntpd build options working build options for BeagleBone Black with Linux beaglebone 3.8.13 bone70 ./configure ' prefix=/opt/ntp' ' enable all clocks' ' enable ...
NEW - 11 Nov 2019 - 20:16 by StephanPietzko
RaspberryGpsNtpServer
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 ...
r11 - 11 Nov 2019 - 20:10 by StephanPietzko
AntennaCables
Antenna cables * GPSANT https://www.meinberg.de/german/products/gps antenne konverter.htm * handelsüblichem Koaxialkabel (z.B. RG58) = 300m * Koaxi...
NEW - 11 Nov 2019 - 14:33 by StephanPietzko
GpsHeadFlorianTaeger
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...
r2 - 10 Nov 2019 - 22:04 by StephanPietzko
FormatAndMountUSBStick
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...
NEW - 08 Nov 2019 - 18:23 by StephanPietzko
ResetPassword
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....
NEW - 31 Oct 2019 - 17:43 by StephanPietzko
OpenVMS
OpenVMS * ResetPassword
NEW - 31 Oct 2019 - 17:36 by StephanPietzko
FritzFonSpeedPortFailed
FritzFon C5 and SpeedPort Hybrid Anmeldung an Basis 1, 2, 3 oder 4 gescheitert Registration to SpeedPort failed. * Login Menü Telefonie DECT Basisstation...
NEW - 29 Oct 2019 - 21:01 by StephanPietzko
FritzBox
Fritzbox * Enable telnet * FritzFon C5 mit SpeedPort Hybrid Anmeldung an Basis 1, 2, 3 oder 4 gescheitert
r2 - 29 Oct 2019 - 20:56 by StephanPietzko
HowToWlan
Was muss man beim Aufbau eines Wireless LAN beachten? Generell ist es so, daß man ein FunkLAN testen muss theoretisch berechnen lässtsich eine Funkzelle kaum. A...
r23 - 23 Oct 2019 - 22:17 by StephanPietzko
JeKyll
jekyll A static website generator. Create a new projekt jekyll new projektname Replace default template (minima) with your own template rm about.md index.md and...
NEW - 15 Sep 2019 - 20:05 by StephanPietzko
OSXGateKeeper
Mac OS X Gatekeeper security sudo spctl master disable sudo spctl master enable sudo xattr rd com.apple.quarantine /Applications/LockedApp.app
NEW - 09 Sep 2019 - 20:09 by StephanPietzko
FreeBSDSleepmode
How to put a FreeBSD laptop into sleepmode, suspend as root acpiconf s 3
NEW - 03 Sep 2019 - 20:06 by StephanPietzko
FollowPkgQuarterly
Follow the quarterly or latest packages In file /etc/pkg/FreeBSD.conf use url: "pkg http://pkg.FreeBSD.org/${ABI}/latest", or url: "pkg http://pkg.FreeBSD.org...
NEW - 15 Jul 2019 - 10:47 by StephanPietzko
FreeBSDAfterboot
FreeBSD Afterboot sshd.conf within bsdinstall shell! ssh ssh port allow root Some common best practice files create ~/CHANGES # logfile for every major...
r10 - 15 Jul 2019 - 10:43 by StephanPietzko
X11onFreeBSD
X11 / xorg on FreeBSD * GermanKeyboard * SequenceToKillTheXserver * CorrectResolutioninVirtualBox * https://forums.freebsd.org/threads/various progra...
r6 - 21 Jun 2019 - 06:47 by StephanPietzko
SequenceToKillTheXserver
sequence to kill the X server Terminating Xorg with Ctrl Alt Backspace cat /usr/local/etc/X11/xorg.conf.d/keyboard zap.conf
r3 - 19 Jun 2019 - 20:53 by StephanPietzko
GermanKeyboard
German keyboard on Xorg cat /usr/local/etc/X11/xorg.conf.d/keyboard de.conf in my case FreeBSD as guest in VirtualBox on a Lenovo Thinkpad T460s
r2 - 19 Jun 2019 - 20:52 by StephanPietzko
BatchCreateUser
add user via batchfile adduser f user.list G wheel w no piest:2001:::::Stephan :: engk:2002:::::Engel:: grea:2003:::::Andreas:: tihar:2004:::::Tim:: seej:2005:...
NEW - 19 Jun 2019 - 12:09 by StephanPietzko
HowtoBuildNtp
!/bin/sh #export http_proxy=http://10.133.65.201:3128/ #export HTTP_PROXY=http://10.133.65.201:3128/ NTPBINURL=http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp 4...
NEW - 17 Jun 2019 - 13:22 by StephanPietzko
HowtoBuildBind
Ubuntu bind is compiled with built with ' prefix=/usr' ' mandir=/usr/share/man' ' infodir=/usr/share/info' ' sysconfdir=/etc/bind' ' localstatedir=/var' ' enable ...
NEW - 17 Jun 2019 - 13:19 by StephanPietzko
BinD9
ISC bind 9 * LogginG * CachingOnly (proxy i.e. forwarder) * DetectDomainGenerationAlgorithm * InternalRootServer * QueryBindVersion * DNSControl...
r8 - 17 Jun 2019 - 13:19 by StephanPietzko
UbuntuExpl
# bind soll konfig neu laden rndc reload # virtuelle Fenster aufmachen screen CTRL A A zusaetzliches Fenster aufmachen CTRL A SPACE zwischen den Fenstern wechseln...
NEW - 17 Jun 2019 - 13:18 by StephanPietzko
UnsortedExamples
Unsorted examples * UbuntuExpl
NEW - 17 Jun 2019 - 13:17 by StephanPietzko
CompleteRemovePorts
Headline What is the best way to remove all packages and start over? 1 Update the ports tree. 2 Run pkg_delete pkg_delete a 3 Back up /usr/local/etc/ ...
NEW - 16 Jun 2019 - 19:32 by StephanPietzko
ReviewPostInstallMessage
Review the post install message Sometimes you miss something in the post install message, after installing a package. pkg install cde Review the post install mess...
NEW - 16 Jun 2019 - 13:48 by StephanPietzko
CorrectResolutioninVirtualBox
Correct resolution in VirtualBox I have to set the correct resolution in the config. I was fixed to a 640x480 resolution. With xrandr i can view the possible reso...
NEW - 15 Jun 2019 - 19:41 by StephanPietzko
FreeBSDasVirtualBoxGuest
FreeBSD as VirtualBox guest 1 pkg install virtualbox ose additions 1 add this to /etc/rc.conf vboxguest_enable="YES" vboxservice_enable="YES"
NEW - 15 Jun 2019 - 13:30 by StephanPietzko
PkgsrcUpdate
How to keep your packages up to date * cvs d $CVSROOT checkout r pkgsrc 2019Q1 P pkgsrc * pkg_chk u k * pkg_rolling replace rsuvX bmake,bootstrap ...
r3 - 15 Jun 2019 - 06:19 by StephanPietzko
ContinuousGrep
continuous grep How to grep continuously in a logfile tail f file grep line buffered pattern
NEW - 14 Jun 2019 - 12:25 by StephanPietzko
ProxyConfig
How to access packages or updates through a proxy setenv HTTP_PROXY http://10.130.65.2:3128/ setenv HTTPS_PROXY https://10.130.65.2:3128/ cvs q z2 " d:pserver;p...
NEW - 07 May 2019 - 11:22 by StephanPietzko
StaticLinkedPackages
Static linked packages ad this to the port's Makefile MAKE_ARGS = STATIC=1
NEW - 06 May 2019 - 11:54 by StephanPietzko
FreeBSDexpl
FreeBSD example commands Work in Progress tmux virtual terminal similar to screen tmux ctrl b d tmux a ctrl b c ctrl b n https://tmuxcheatsheet.com Temperatur...
r3 - 05 May 2019 - 06:54 by StephanPietzko
NtpConf
ntp example config # # $FreeBSD: stable/12/usr.sbin/ntp/ntpd/ntp.conf 337649 2018 08 11 17:42:42Z brd $ # # Default NTP servers for the FreeBSD operating system. ...
NEW - 05 May 2019 - 06:51 by StephanPietzko
SolarisMkConf
# Example /opt/pkg/etc/mk.conf file produced by bootstrap pkgsrc # Donnerstag, 16. Januar 2014, 22:08:52 Uhr CET .ifdef BSD_PKG_MK # begin pkgsrc settings P...
r2 - 28 Apr 2019 - 20:16 by StephanPietzko
OSXTerminalSetup
How to setup Mac OS X Terminal * Make sure you choose xterm not vt100 in Profiles Advanced Terminfo display colors * Disable Allow Mouse Reporting in Me...
NEW - 26 Apr 2019 - 12:06 by StephanPietzko
B9BottlesOfBeer
99 Bottles of Beer $ This Website holds a collection of the Song 99 Bottles of Beer programmed in 1500 different programming languages: http://www.99 bottles o...
r2 - 26 Apr 2019 - 11:53 by StephanPietzko
ResetProximAP4000
Howto reset a Proxim AccessPoint 4000 Orinico 1 Switch on 2 push reset for 13 seconds (not too much longer) 3 If you have a DHCP Server the AP will fetch...
r2 - 26 Apr 2019 - 11:50 by StephanPietzko
SolarIs
Oracle Solaris 10 * AfterbootSolaris * SolarisAtStrato * EncryptFiles * SolarisBlogroll * ChangeHostnameOrIP * SolarisAuthViaTacacs * UpdateW...
r42 - 26 Apr 2019 - 11:29 by StephanPietzko
MultiTail
multitail The program multitail lets you view one or multiple files like the original tail program. multitail ci green httpd access.log ci yellow I httpd...
r2 - 25 Apr 2019 - 22:22 by StephanPietzko
WlanReichweite
Reichweiten mit Wireless LAN Die Reichweite hängt stark von den Räumlichkeiten, den Antennen und der Sendeleistung ab. Grundsätzlich breiten sich im verwendeten F...
r36 - 25 Apr 2019 - 22:18 by StephanPietzko
PowerLine
Powerline Communication (PLC) Powerline kann eine sinnvolle Alternative zu WirelessLAN sein, wenn man zwei oder mehr Rechner quer durch ein Haus verbinden will. P...
r19 - 25 Apr 2019 - 22:13 by StephanPietzko
CiscoFirewall
Cisco Firewall * ASDM: Unconnected sockets not implemented * ASAInitialSetup * ASAFactoryConfig * FirewallBestPractice * ASAConfigExamples * Asa...
r31 - 25 Apr 2019 - 22:01 by StephanPietzko
MySQL
MySQL or MariaDB * ExampleMyCnf * InitialSetupForWordpress * MoreSecureSetup
r3 - 25 Apr 2019 - 21:53 by StephanPietzko
SiteMap
http://sysadmin.wiki/Work/WebTopicList http://sysadmin.wiki/Sysadmin/WebTopicList http://sysadmin.wiki/Main/WebTopicList http://sysadmin.wiki/Sysadmin/ASA5520Boot...
r4 - 25 Apr 2019 - 21:51 by StephanPietzko
NtpSecure
how to secure ntpd In the ntp.conf restrict default limited kod nomodify notrap nopeer restrict 6 default limited kod nomodify notrap nopeer restrict 127.0.0.1 r...
r4 - 25 Apr 2019 - 21:46 by StephanPietzko
GPSTimeSignal
GPS Time Signal Trimble SVeeSix CM3 This auction is for a Trimble SVeeSix CM 3 OEM Embedded (Core Module) GPS Receiver and miniature OEM antenna. It is guarantee...
r2 - 25 Apr 2019 - 21:45 by StephanPietzko
MeinbergNtpConfig
Example config for Meinberg Clocks ETXMGX/SHS BGT V4.59 # * lantime * # NTP.CONF for GPS167 with UNI ERLANGEN (do not modify) server 127.0.0.1 minpoll 4 max...
r2 - 25 Apr 2019 - 21:43 by StephanPietzko
KissOfDeathPacket
The Kiss of Death Packet Ordinarily, packets denied service are simply dropped with no further action except incrementing statistics counters. Sometimes a more pr...
NEW - 25 Apr 2019 - 21:36 by StephanPietzko
BeagleBoneBlack
BeagleBone Black * BBBwithAdafruitGPS with ntpd and PPS
r2 - 25 Apr 2019 - 21:31 by StephanPietzko
WishList
Wishlist for the Sysadmin.WebHome Wiki * lot more nice pictures * nice view with CSS for mobile devices * search field in the upper right
r3 - 25 Apr 2019 - 21:24 by StephanPietzko
MoreSecureSetup
More restrictive setup for MySQL Create user CREATE USER 'username'@'localhost' IDENTIFIED BY ' 8hsdg'; Create database with utf 8 CREATE DATABASE dbname CHARACTE...
NEW - 25 Apr 2019 - 21:10 by StephanPietzko
InitialSetupForWordpress
Initial setup for wordpress Login mysql u root p Create database create database wp_example_com; Create user CREATE USER 'wp_user'@'localhost' IDENTIFIED BY 'se...
NEW - 25 Apr 2019 - 21:08 by StephanPietzko
ExampleMyCnf
Minimal MySQL config Example MySQL or MariaDB configuration file (my.cnf) for FreeBSD ## SERVER ## mysqld datadir = /var/db/mysql sock...
NEW - 25 Apr 2019 - 21:02 by StephanPietzko
NtpVsPtp
Difference between ntp and ptp * https://www.eecis.udel.edu/~mills/ptp.html * http://www.fsmlabs.com/news/2012/06/28/choosing between ptp and ntp.html * ...
NEW - 25 Apr 2019 - 20:54 by StephanPietzko
TmpNtp
ntp DO NOT EDIT THIS FILE IS FOR HISTORIC REVIEW * EnterpriseTimeServer * EasyDistributeAndBalanceWithPool Difference between ntp and ptp * https://ww...
NEW - 25 Apr 2019 - 20:53 by StephanPietzko
NtpLeapsecondFile
The NIST leapsecond file The file is available available at ftp://time.nist.gov/pub/ as well as ftp://tycho.usno.navy.mil/pub/ntp/
NEW - 25 Apr 2019 - 20:51 by StephanPietzko
EasyDistributeAndBalanceWithPool
How to easily configure and balance several ntp server with the pool directive Use one pool directive in your ntp.conf and you are ready. pool 0.DE.pool.ntp.org i...
NEW - 25 Apr 2019 - 20:46 by StephanPietzko
WlanAnfaenge
Anfänge des Wireless LAN Die aus Österreich stammende Schauspielerin Hedy Lamarr und der Musiker George Antheil erfanden 'Frequency Hopping' und erhielten dafür 1...
r33 - 25 Apr 2019 - 06:53 by StephanPietzko
OSXProblemToConnectSMTP
I had Problems to connect my smtp Server I got the error message Error Domain=NSPOSIXErrorDomain Code=60 "Operation timed out" I have a Telecom Connection with a...
NEW - 01 Sep 2016 - 18:39 by StephanPietzko
PrintSingleQuoteInAwk
How to print single quote in awk awk '{print "\x27" $1 "\x27"}'
NEW - 24 Aug 2016 - 20:14 by StephanPietzko
AwK
awk, gawk Helpful examples for awk. work in progress cat MAC_Vendor_List grep "(hex)" sed 's/\//\\/g' awk '{sub(" ",":",$1);sub(" ",":",$1); printf "s/"tolow...
r3 - 24 Aug 2016 - 20:13 by StephanPietzko
ListAllSystemdServices
List all services in systemd systemctl list unit files t service
NEW - 16 Aug 2016 - 08:43 by StephanPietzko
RedHat
Redhat * HowToViewLastlog * ListAllSystemdServices
r2 - 16 Aug 2016 - 08:42 by StephanPietzko
HowToViewLastlog
How to view lastlog Just type lastlog Don't be confused /var/log/lastlog is a sparse file, which seems to be bigger than is actually is. # ls lh lastlog rw r r ...
r2 - 16 Aug 2016 - 07:47 by StephanPietzko
EnterpriseTimeServer
Enterprise Time Server In a datacenter you need a reliable exact time source. Normally you habe one or several ntp server (ntpd) dirctly connected to a time norma...
NEW - 08 Jul 2016 - 08:54 by StephanPietzko
BBBwithAdafruitGPS
BeagleBoneBlack with Adafruit Ultimate GPS Breakout WORKINPROGRESS I like to run a SoC with a GPS and PPS as a primary source for ntpd. I choose BeagleBone Black ...
NEW - 30 Apr 2016 - 09:12 by StephanPietzko
EnterpriseWLAN
Enterprise Wireless LAN WLAN Controller * CiscoWLC BAUSTELLE Einsatz im Enterprise Bereich HotSpots (One Button Hotspots, Coffee Shops, Flughafen, public Are...
r16 - 07 Apr 2016 - 13:46 by StephanPietzko
TmplReadmeFile
#################################################### ## ## ## README ## ## ...
NEW - 06 Apr 2016 - 11:13 by StephanPietzko
ServerAdmin
Best Practices in Server Administration WORK IN PROGRESS Keep it small simple 1 keep some basic information in a README file on the machine 1 keep last c...
NEW - 06 Apr 2016 - 11:01 by StephanPietzko
BestPractices
Best Practices Keep is small and simple (kiss) Server * ServerAdmin Firewall * FirewallBestPractice * FirewallBestPracticeDE (german)
NEW - 06 Apr 2016 - 10:55 by StephanPietzko
DisableRouterDiscoveryProtocol
Disable ICMP Router Discovery (RDISC) Protocol Sometimes i get M...in in.routed 378 : ID 557510 daemon.error request of bad length (25) from 205.209.148.125 M....
NEW - 05 Apr 2016 - 20:24 by StephanPietzko
PolicyBasedRouting
Policy based routing 1 echo 200 custom /etc/iproute2/rt_tables 1 edit /etc/network/interfaces # The loopback network interface auto lo iface lo inet loop...
r2 - 05 Apr 2016 - 10:55 by StephanPietzko
BootEnvironmentsOnFreeBSD
Setting up Solaris like boot environments on FreeBSD * beadm * http://blather.michaelwlucas.com/archives/2363 * manageBE * lifanov.com * Cac...
NEW - 04 Apr 2016 - 18:41 by StephanPietzko
SettingUpSolarisLikeBootEnvironmentsOnFreeBSD
Setting up Solaris like boot environments on FreeBSD This is a interesting page only available form google cache: https://webcache.googleusercontent.com/search?q=...
NEW - 04 Apr 2016 - 18:40 by StephanPietzko
RaspberrypiNtpConf
# /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help driftfile /var/lib/ntp/ntp.drift # Enable this if you want statistics to be logged. statsdir /va...
NEW - 23 Mar 2016 - 20:41 by StephanPietzko
MonitoringWithBayesianFilter
syslog monitoring bayesian filter * btail * CRM114 * CRM114 @ Black Hat 2010
NEW - 11 Feb 2016 - 16:59 by StephanPietzko
ModSecurity
ModSecurity * Documentation
NEW - 11 Feb 2016 - 16:36 by StephanPietzko
ApacheSecurity
Apache Security * ModSecurity
NEW - 11 Feb 2016 - 16:34 by StephanPietzko
FortiGate
Fortinet Firewall / Fortigate $ Serial cable pinouts for console access to Fortinet hardware products: http://kb.fortinet.com/kb/viewContent.do?externalId=1134...
r5 - 11 Feb 2016 - 15:30 by StephanPietzko
WlanGlossarEIRP
EIRP Equivalent isotropically radiated power FAQ Was ist E.I.R.P? Die EIRP (Effective Isotropic Radiated Power) gibt an, mit welcher Sendeleistung man eine in all...
r3 - 10 Feb 2016 - 19:15 by StephanPietzko
SendeLeistung
Sendeleistung Die meisten Wireless LAN Karten senden mit ca. 30 mW. Das ist ungefähr die Leistung, mit der im 2,4GHz ISM Band gesendet werden darf. Technisch aus...
r27 - 10 Feb 2016 - 19:14 by StephanPietzko
WlanMacOSX
Wireless LAN mit Mac OS X Macs haben seit 1999 fast alle standardmässig Wireless LAN integriert, daher ist Wireless LAN an sich kein Problem. Hier geht es dann eh...
r3 - 09 Feb 2016 - 23:35 by StephanPietzko
WlanSicherheit
Sicherheit im Wireless LAN Der Betrieb eines offenen WLANs kann problematisch sein, weil Unbekannte das Netz missbrauchen können. Nach einem aktuellen Urteil könn...
r42 - 09 Feb 2016 - 22:56 by StephanPietzko
WlanFrequenzen
Wireless LAN Frequenzen Siehe WlanDsssKanal für das Kanalraster im 2,4GHz Band. MHz Europa 864 868 ___CT 2 890 915 ___GSM Downlin...
r18 - 09 Feb 2016 - 22:24 by StephanPietzko
OSXTagFilesFromCLI
tag files from CLI or shell find . name "*.txt" xargs file grep v HTML cut d: f1 cut d\/ f1 3 xargs I% tag add foo '%'
r3 - 09 Feb 2016 - 21:30 by StephanPietzko
InnenLebenCisco340
Innenleben einer Cisco Wireless PCMCIA Karte Zuerst die Karte im Normalzustand: Mit reversibel abgehobenen Aufkleber. Man beachte den Unterbrecher für die eine...
r13 - 09 Feb 2016 - 21:24 by StephanPietzko
WlanGrundlagen
WLAN Grundlagen Allgemein Wireless LAN ist eine Funktechnik im 2,4 GHz oder 5 GHz Band zur Übertragung von Computerdaten. Es ist eine Netzwerktechnik, die nac...
r17 - 09 Feb 2016 - 21:17 by StephanPietzko
SoftwarePackagesforSolaris
Software Packages for Solaris There are several famous free software archives for Solaris: * Sunfreeware * Blastwave * openCSW a fork of Blastwave * p...
r17 - 09 Feb 2016 - 21:12 by StephanPietzko
RootToUserScreen
How to connect as root to user screen The unprivileged user is running screen and the admin (root) likes to help i.e. connects to the user screen su joe c "scrip...
r2 - 09 Feb 2016 - 20:53 by StephanPietzko
LaTeX
LaTeX / XeLaTeX Installation Usage komascript TODO Example invoice Mit Logo TODO OpenType font / Schrift Easy money transfer with QR Code / Einfache Überwei...
r6 - 09 Feb 2016 - 20:52 by StephanPietzko
WiNdows
Windows * Kantenglättung
r2 - 09 Feb 2016 - 20:49 by StephanPietzko
MtRee
mtree mtree as a tripwire replacement With more you can extract several file system parameters and compare it later on with your files. You can use it to build a...
r2 - 04 Feb 2016 - 21:07 by StephanPietzko
OSXUseMacOSXServerSoftwareUpdateService
How to use a Mac OS X Server as a cache for Software Updates Unmanaged clients Use these steps to point client Macs that aren't managed with a configuration prof...
NEW - 24 Jan 2016 - 18:41 by StephanPietzko
CiscoWLC
Cisco Wireless LAN Controller DHCPDISCOVER from an AccessPoints TIME: 2015 09 17 17:33:39.402 IP: 10.250.8.254 (0:22:19:32:bf:c0) 10.250.8.201 (52:54:0:b...
r4 - 21 Jan 2016 - 08:40 by StephanPietzko
OSXBulkRenameFiles
Since Yosemite there is a cool renaming feature in MAC OS X How to easily batch or bulk rename files with cool feature in Finder. 1 Select several files in the...
NEW - 11 Jan 2016 - 19:23 by StephanPietzko
FindEmptyDirs
How to find (and delete) empty directories with command line tools You can use the standard CLI tool find. find . type d empty print and if you like to delete ...
NEW - 02 Jan 2016 - 14:32 by StephanPietzko
WebPreferences
Sysadmin Web Preferences Appearance * Set WEBBGCOLOR = #E0BB96 * web specific background color, current color * Set SITEMAPLIST = on * set ...
r15 - 30 Dec 2015 - 21:35 by StephanPietzko
OSXCopyPastewoStyle
Copy Paste without style or format Did you copy paste through a editor to avoid the formating in the new document? Here's a solution for you * http://www.macob...
NEW - 15 Dec 2015 - 15:28 by StephanPietzko
OSXListEveryProcess
list every process as root ps aAE or for example search AdobeIPCBroker ps aAE grep i Adobe 106 ?? 0:00.38 /Library/Application Support/Adobe/Adobe ...
NEW - 11 Dec 2015 - 18:31 by StephanPietzko
OSXFileTagging
Tagging files in Mac OS X TagIt Leap Tags CLI * mdfind * mdls * tag * MacPorts: sudo port install tag Example Mark every 24 bit flac file wit...
r3 - 07 Dec 2015 - 14:32 by StephanPietzko
DNSControlScript
Usefull script to check your domain #!/bin/sh #cat /var/log/named/queries.* grep query grep v bfinv grep "\(.biz \ .ru \ .info \)" grep v \.de\ grep...
NEW - 09 Oct 2015 - 20:44 by StephanPietzko
DefaultPasswords
default passwords $ Network Extreme (X250e): admin:(none) $ IBM Hardware Management Console: hscroot:abc123 root:passw0rd hscpe:abc123 Links * http://r...
r3 - 07 Oct 2015 - 11:52 by StephanPietzko
TimeoutAfterApacheUpgrade
The Satellite (EfficientIP Server Package) is not reachable anymore (timeout) Problem After an upgrade of Apache 2 (Apache/2.4.2) the Satellite is not fully sync...
NEW - 05 Oct 2015 - 14:00 by StephanPietzko
EfficientIP
EfficientIP SOLIDserver SOLIDserver is a integrated DDI environment for DNS, DHCP, IPAM and NTP ... * SolidServerStuff * RestoreBackupOnCLI * NoShellAfte...
r4 - 05 Oct 2015 - 13:02 by StephanPietzko
OSXMakeBootableUSBStick
How to make a bootable USB Stick with El Captain 1 Download der OS X El Capitan installer into the Application folder via App Store. The installer will remove ...
NEW - 01 Oct 2015 - 12:32 by StephanPietzko
FortiWiFiDefaultConfig60CShow
FWF60C3G12045548 # show #config version=FWF60C 5.00 FW build271 140124:opmode=1:vdom=0:user=admin #conf_file_ver=1163545795424225562 #buildno=0271 #global_vdom=1 ...
NEW - 24 Sep 2015 - 20:31 by StephanPietzko
BadlyFormattedManPages
badly formatted man pages under solaris WORK IN PROGRESS man pages of non solaris software is sometimes badly formatted, because the solaris nroff use limited mac...
r4 - 23 Sep 2015 - 09:00 by StephanPietzko
SpezialWLAN
Spezialanwendungen für Wireless LAN Telemetrie Unter Telemetrie versteht man meistens Datenfunk mit einer guten Reichweite/Abddeckung und kleinem Durchsatz. Waru...
r13 - 23 Sep 2015 - 07:46 by StephanPietzko
CiscoEnableTelnet
Enable telnet Switch#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#username admin privilege 15 password 0 admin...
NEW - 17 Sep 2015 - 21:35 by StephanPietzko
CiscoSwitch
Cisco Switch * CiscoDetectSwitchInRack * Bootmessage from a stacked Cisco Catalyst 3750 E * CiscoResetConfig * CiscoCatalyst35X0FactoryDefaults * C...
r6 - 17 Sep 2015 - 21:34 by StephanPietzko
CiscoCatalyst35X0FactoryDefaults
How to Reset a Cisco Catalyst 3550 / 3560 Switch to Factory Defaults in privileged mode: (#) delete flash:vlan.dat Switch#delete flash:vlan.dat Delete filename ...
r2 - 17 Sep 2015 - 21:24 by StephanPietzko
CiscoResetConfig
Reset config write erase delete flash:vlan.dat reload clear config all
r2 - 17 Sep 2015 - 19:06 by StephanPietzko
CurL
curl Download a file (wget replacement) curl OL http://example.com/foo.tgz View the HTML Header curl IsS http://s2p.de/Sysadmin/WebHome Check if apache can g...
NEW - 16 Sep 2015 - 21:17 by StephanPietzko
PerL
perl Check if a module is installed * http://stackoverflow.com/questions/1039107/how can i check if a perl module is installed on my system from the command l...
NEW - 16 Sep 2015 - 18:17 by StephanPietzko
LiveUpgradeWithPca
Howto Upgrade Solaris x86 and Sparc with Live Upgrade and pca pca is one of the best update utilities for Solaris. Live Upgrade ist the best and recommended way t...
r7 - 15 Sep 2015 - 22:18 by StephanPietzko
Chipset0129
Atheros AR5004X
r2 - 15 Sep 2015 - 18:03 by StephanPietzko
Chipset0128
Atheros AR5004G
r2 - 15 Sep 2015 - 18:02 by StephanPietzko
Chipset0141
Atheros AR5008
r3 - 15 Sep 2015 - 18:01 by StephanPietzko
Chipset0142
Atheros AR5008
r2 - 15 Sep 2015 - 18:01 by StephanPietzko
CheckMkSolaris
How to install Check_MK Agent for Solaris Prerequisits * libgcc * libstatgrab * top Easy to install via pkgsrc Download Check_MK Agent (shell script) ...
NEW - 14 Sep 2015 - 10:07 by StephanPietzko
CheckMkAgentSolarisOutput
$ telnet localhost 6556 Trying 127.0.0.1... Connected to localhost. Escape character is '^ '. Version: 1.2.6p11 AgentOS: solaris /usr/lib/libc/libc_hwcap1.s...
NEW - 14 Sep 2015 - 10:05 by StephanPietzko
RotateLogsWithLogadm
How to rotate log files on Solaris with logged * http://www.cyber tec.org/2014/10/08/using logadm, a powerful log rotation tool/ * http://docs.oracle.com/cd...
NEW - 12 Sep 2015 - 08:55 by StephanPietzko
LEDLaN
Datenkommunikation mit LEDs Forscher am Boston University's College haben ein Konzept erarbeitet, wie die Datenübertragung in einem Büro mit LEDs, die an der Dec...
r3 - 11 Sep 2015 - 07:41 by StephanPietzko
SeD
sed * SedReplaceNewline * SedPrint10thLine Links * http://www.canbike.org/information technology/sed delete carriage returns and linefeeds crlf.html cat ...
r3 - 21 Aug 2015 - 12:49 by StephanPietzko
Chipset0127
Atheros
r2 - 21 Aug 2015 - 09:12 by StephanPietzko
Chipset0156
Broadcom
r2 - 21 Aug 2015 - 09:12 by StephanPietzko
Chipset0126
Atheros
r2 - 21 Aug 2015 - 09:11 by StephanPietzko
Chipset0155
Broadcom
r2 - 21 Aug 2015 - 09:10 by StephanPietzko
Chipset0170
Compex
r2 - 21 Aug 2015 - 09:10 by StephanPietzko
Chipset0124
Atheros
r2 - 21 Aug 2015 - 09:08 by StephanPietzko
HiperLAN
HiperLAN/2 Dieser an sich sehr ausgeklügelte Standard hat sich nicht gegen 802.11a durchgesetzt. HiperLAN/2 ist das Video2000 des WirelessLAN! * Frequenzbereic...
r19 - 29 Jul 2015 - 21:18 by StephanPietzko
QueryBindVersion
How to query the bind version dig chaos txt version.bind @10.23.45.67 TXT "9.4.1" Intro By default BIND DNS reveals the version number when queried ...
NEW - 10 Jul 2015 - 09:40 by StephanPietzko
MsNetapiWin2000
metasploit ms08_067_netapi on Windows 2000 Some nmap investigations beforehand We like to find the exact version of the operating system. nmap Pn script smb os...
r2 - 30 Jun 2015 - 09:27 by StephanPietzko
Chipset0279
ZyDAS ZD1211B After being acquired by Atheros, the ZyDAS ZD1211B chipset was rebranded as the "Atheros AR5007UG", also known as AR2524/AR5524
NEW - 18 Jun 2015 - 09:29 by StephanPietzko
Chipset0280
Atheros AR5007UG, also known as AR2524/AR5524 After being acquired by Atheros, the ZyDAS ZD1211B chipset was rebranded
NEW - 18 Jun 2015 - 09:27 by StephanPietzko
WhoIsWhoInWlan
Who is Who in Wireless LAN Hersteller, Behörden und Organisationen im Bereich Wireless LAN { WirelessLAN } * 3Com IEEE 802.11g * 4P Mobile Data Processin...
r88 - 18 Jun 2015 - 09:21 by StephanPietzko
Chipset0195
Conexant/Intersil PRISM 3
r2 - 18 Jun 2015 - 09:18 by StephanPietzko
Chipset0194
Conexant/Intersil PRISM 2.5
r2 - 18 Jun 2015 - 09:17 by StephanPietzko
Chipset0125
Atheros
r2 - 18 Jun 2015 - 09:16 by StephanPietzko
Number of topics: 200
Page 1 of 5 Next >
See also:
RSS feed, recent changes with 50, 100, 200, 500, 1000 topics, all changes
