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Three small scrips
Hey there, long time no see. Nothing special news here, just wanted to see googlebots heading here. So here comes my first new year post, 3 minor scripts. First one is for Exchange: adds new email...
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Ubiquiti Unify nuisances and the attack of the Martians
Some weeks ago I was given a nice task. A client of ours wants us to set up two new Unify APs in its network with two new wireless networks: one for guest and one for internal use. They had a Vigor...
View ArticleDebian Wheezy Mail Server – Postfix Dovecot Sasl MySQL PostfixAdmin and...
Shamefully I didn't want to find my own way so the whole tutorial I followed is here.For my personal further usage, I attached the working nginx, dovecot, postfix and php5 config to this post. There...
View ArticleBan / reject users with freeradius based on MAC addresses
Freeradius is a common tool if someone wants to set up an enterprise WiFi authentication. But if it's in a public institude, e.g. a school, sooner or later your WiFi users' passwords will leak out and...
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A Mikrotik guest network can be more difficult than you may think
In recent RouterOS is a single click to set up a guest wifi AP. Saying guest I mean such a network that is fully or partly allowed to reach public internet but denied to reach the internal private...
View ArticleGlusterFS in a simple way
Here is the story how I managed to install a 2 node glusterfs on CentOS and one client for test purposes.In my case the hostnames and the IPs were: 192.168.183.235 s1192.168.183.236 s2192.168.183.237...
View ArticleDocker minihowto
To start a new container. If does not exists locally, it downloads a stock one from dockerhub.docker run -i -t centos:latest /bin/bash (-i: interactive mode) (-t: runs centos image) (starts a command,...
View ArticleMore Powershell
The original idea was to ease the process of creating a new distribution group with one human member and an archive public folder regularly. These mail enabled security groups and public folders always...
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File access auditing on a Windows fileserver: Data Leakage Prevention
Here is a clever script concept that helps company managers notifying someone's unusual amount of file reading. That's typical behaviour for an employee who is intended to quit and try to steal all the...
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Howto setup Icinga2 and Icingaweb on CentOS
On your newly installed CentOS server: # this is my network setup for my own usage, won't fit yours :)cat...
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Connect your Jira instance to a HipChat
Last year I got the chance to manage an Atlassian Jira and Confluence server. That was fun so far. But last week I was given a new task: fire up a HipChat instance and connect it with Jira. I wasted...
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SCCM in my test lab
OK that's not a big deal for anyone but for me it was a three day long battle with lots of dead-ended installs, undo's and redo's. So, at long last this is the famous screen I wanted to see so much!...
View ArticleA returning to this blog
Just a small script to myself to remember. An elegant and playful way to internally daily backup a jira+confluence+gitlab machine - and avoid all the "unlikely happen"...
View ArticleThe RPC server is unavailable
Error 0x000006BA enumerating sessionnamesError [1722]: The RPC server is unavailable.Ever faced this error when tried to connect to a Windows 2012 R2 server from remote to query something ? Setting up...
View ArticleUser import from foreign LDAP into own AD - PART1
Here is a rather complex script system I wrote. This is just for myself to remember and record my brilliant thoughts. I doubt if anyone else could use it. The goal is to get my users (including their...
View ArticlePowershell applet form
It's a little known fact that it is possible to build a complete application form with pure Powershell. (Being based on .NET.). Here is an awesome example, called login.ps1. This is an applet starts a...
View ArticleSystemd over NTP
Ever wondered how to setup an NTP client controlled by systemd? Here are some short steps.Symptom:Mar 26 19:24:43 lokalhost systemd-timesyncd[403]: Timed out waiting for reply from 118.189.177.157:123...
View ArticleDocker notes #2
docker ps -a = List docker containers including the stopped onesdocker logs -f [ID] = Show the logs wrote in a containerdocker logs --tail 200 [ID]docker commit [ID] (my_new_image) = Convert a...
View ArticleThe OWASP Top 10 these days, in reality
The other day I've came across a great article. This is just a bookmark referencing to it.https://www.hpe.com/us/en/insights/articles/the-owasp-top-10-is-killing-me-and-killing-you-1710.html
View ArticleZabbix agent upgrade from 2.x to 3.4
It's not easy as it seems. After you execute the first steps...wget http://repo.zabbix.com/zabbix/3.4/ubuntu/pool/main/z/zabbix-release/zabbix-release_3.4-1+xenial_all.debdpkg -i...
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MySQL monitoring with Zabbix 3.4
If you install Zabbix Server 3.4 there is a nice template supplied with it which is called " Template DB MySQL". That could be used for monitoring remote MySQL database performance. Unfortunately...
View ArticleHow to rm -rf / your Azure infrastructure
Never do this...Get-AzureRmResourceGroup | Remove-AzureRmResourceGroup -Verbose -Force
View ArticleSystemd services command cheatsheet
List of all services and their status:service --status-allAnother way:systemctl list-units --type service --all List just the enabled services systemctl list-units --type service Stop/Start/Restart...
View ArticleHow to find domain users who have never changed their passwords
Hey, I have not posted here since 2 years! But I'm still kickin hard, and alive. Just to save this blog from being forgotten, placing is a new entry. And... see you in 2 years again. ;) How to find...
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