50 recent changes in Sysadmin Web retrieved at 16:35 (GMT)

How can i prevent the scrollbar to jump to the clicked location? 1 Edit configuration about:config 2 add ui.scrollToClick=0 * https://support.mozilla.org...

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...

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...

FreeBSD as VirtualBox guest 1 pkg install virtualbox ose additions 1 add this to /etc/rc.conf vboxguest_enable="YES" vboxservice_enable="YES"

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 ...

continuous grep How to grep continuously in a logfile tail f file grep line buffered pattern

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...

Static linked packages ad this to the port's Makefile MAKE_ARGS = STATIC=1

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...

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. ...

# 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...

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

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...

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...

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...

Oracle Solaris 10 * AfterbootSolaris * SolarisAtStrato * EncryptFiles * SolarisBlogroll * ChangeHostnameOrIP * SolarisAuthViaTacacs * UpdateW...

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...

Reichweiten mit Wireless LAN Die Reichweite hängt stark von den Räumlichkeiten, den Antennen und der Sendeleistung ab. Grundsätzlich breiten sich im verwendeten F...

Powerline Communication (PLC) Powerline kann eine sinnvolle Alternative zu WirelessLAN sein, wenn man zwei oder mehr Rechner quer durch ein Haus verbinden will. P...

Cisco Firewall * ASDM: Unconnected sockets not implemented * ASAInitialSetup * ASAFactoryConfig * FirewallBestPractice * ASAConfigExamples * Asa...

MySQL or MariaDB * ExampleMyCnf * InitialSetupForWordpress * MoreSecureSetup

http://sysadmin.wiki/Work/WebTopicList http://sysadmin.wiki/Sysadmin/WebTopicList http://sysadmin.wiki/Main/WebTopicList http://sysadmin.wiki/Sysadmin/ASA5520Boot...

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...

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...

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...

The Kiss of Death Packet Ordinarily, packets denied service are simply dropped with no further action except incrementing statistics counters. Sometimes a more pr...

BeagleBone Black * BBBwithAdafruitGPS with ntpd and PPS

Wishlist for the Sysadmin.WebHome Wiki * lot more nice pictures * nice view with CSS for mobile devices * search field in the upper right

More restrictive setup for MySQL Create user CREATE USER 'username'@'localhost' IDENTIFIED BY ' 8hsdg'; Create database with utf 8 CREATE DATABASE dbname CHARACTE...

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...

Minimal MySQL config Example MySQL or MariaDB configuration file (my.cnf) for FreeBSD ## SERVER ## mysqld datadir = /var/db/mysql sock...

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 * ...

ntp DO NOT EDIT THIS FILE IS FOR HISTORIC REVIEW * EnterpriseTimeServer * EasyDistributeAndBalanceWithPool Difference between ntp and ptp * https://ww...

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/

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...

Anfänge des Wireless LAN Die aus Österreich stammende Schauspielerin Hedy Lamarr und der Musiker George Antheil erfanden 'Frequency Hopping' und erhielten dafür 1...

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...

How to print single quote in awk awk '{print "\x27" $1 "\x27"}'

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...

List all services in systemd systemctl list unit files t service

Redhat * HowToViewLastlog * ListAllSystemdServices

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 ...

Linux * DebianShowInstalledPackage * PolicyBasedRouting * RedHat

Installation packages needed in pkgsrc How to install a usable latex with pkgsrc Install: * print/xetex * print/tex koma script * print/tex babel * p...

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...

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 ...

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...

Enterprise Wireless LAN WLAN Controller * CiscoWLC BAUSTELLE Einsatz im Enterprise Bereich HotSpots (One Button Hotspots, Coffee Shops, Flughafen, public Are...

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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...