combined IT ramblings
What is Zabbix monitoring? Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is software that monitors numerous parameters of a network and the health and integrity of servers. Zabbix uses a flexible notification mechanism that allows users to configure e-mail based alerts for virtually any event. This allows… Read more »
One of the more useful Windows features for Windows administrators is the Remote Server Administration Tools pack (RSAT). Apart from allowing you to install GUI elements in the Administrative Tools menu, this can also install the command-line tools for querying and managing Active Directory: dsquery.exe, dsadd.exe, dsget.exe, dsmod.exe, dsmove.exe and… Read more »
Today I was viewing the performance statistics in task manager on Server 2012 R2, and noticed that disk performance is not included, in contrary to showing up on my Windows 10 machine’s task manager.
I setup a CentOS 7 server recently, that regrettably needs open SSH to the outside world. As I don’t dabble in CentOS that much, I thought I’d write out the instructions for myself and others to install fail2ban. This will block people trying to bruteforce your server with lots of… Read more »
By far the most popular and easy to setup firewall for Ubuntu is UFW, which stands for the ‘Uncomplicated FireWall’. In this tutorial I’ll provide some examples for setups with UFW. I tested the following lines on a fresh Ubuntu 16.04 installation, but this should all work the same with… Read more »
I needed to mirror an FTP site to linux, as preparation for of a migration. After looking for the most easy way to do this, I found ‘lftp’ on the linux side, and used that. sudo lftp -e “set ftp:ssl-allow no; mirror -c -e –parallel=3 employees/ /srv/ftp/employees/” -u jeroen someftp.actualadmins.com… Read more »
I needed to replace text in multiple files on an Ubuntu server. The text was “D:/FTPdownloads”, and would be changed to “srv/ftp” (migrating an FTP server from Windows to Linux). Also this had to be done in 100+ files in a bunch of directories. Quickest way I found to do… Read more »
I just installed a new Ubuntu 13.04 server and thought I’d look into using gmail as relayhost for Postfix instead of Exim for a change. Postfix is the default MTA (mail transfer agent) on Ubuntu, so let’s set it up already… Installing packages: sudo apt-get install postfix ca-certificates libsasl2-2 libsasl2-modules… Read more »
Found this handy python script for sharing Clementine song status in Empathy….. regrettably it did not work on my Ubuntu 12.10 desktop installation…. Apparently you have to add a line (see the second line) about the character encoding nowadays….. so just to make it easier for other people… here’s the… Read more »
This week I needed to clear the ‘logon script’ field of all AD users (who had one set). While working on the code, I noticed you couldn’t just do ‘ objUser.scriptPath=”” ‘ as this would result in an error. So this was done with PutEx. The following will search for each… Read more »