When I was installing a Kali virtual machine, I came across an error in the “Software selection” step
After confirming the software, the installation shows an “Installation step failed” message.
After browsing through some sites and forums, apparently the problem could be related to not configuring enough space and a suggestion is configuring more than 30-40 GB. But no luck, … Read more
When updating Exchange you probably con come across the following error in the prerequisite analysis:
A reboot from a previous installation is pending
The way to solve it is supposed to be by rebooting the server in order to apply any previously pending installed windows updates or whatever… but it never works, at least for me.
If it is also … Read more
Until now I hadn’t used the options and features rsyslog comes with. Let me show a simple example I have done today. This is an example log line rsyslog has received from iptables (I have configured iptables to log certain connections attempts to identify and save devices with malware):
Sep 29 15:30:39 myserver kernel: [malware3] IN=ens192 OUT=ens192 MAC=XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX SRC=10.15.13.17
… Read more
This article offers a 5 min howto about configuring your own DNS server (perhaps for your company or maybe for your home network) using DNSmasq. Obviously, only the surface is covered on this post.
Given my router does not allow me to add host entries for local DNS resolution, I decided to use DNSMasq on one of my internal network … Read more
I have just configured an Icinga2 notification template for hosts and services to replace the ugly and impractical default one.
Not big things but useful in my opinion
Clear and nicely formatted layout
State based colors
State based icons
UTF Icons are included depending on the state of the host or service
This notifications scripts can include … Read more
There are different methods to run queries against an SQL Server from a Linux machine. The one I am using is mssql-cli (https://github.com/dbcli/mssql-cli)
As you can check in the related github website, it has the following features:
- Syntax highlighting
- Query history
- Configuration file support
- Multi-line queries
The -Q parameter
It has been packetized for a lot of distributions … Read more
A short but useful post:
Suppose you need to import hundreds of members to a distribution group.
The list is in a CSV file:
To bulk import all the users, a simple command like this is enough:… Read more
Im using my Microserver Gen8 a lot and, sometimes the poor performance of the CPU is noted (when showing galleries with many images for example). So I decided to replace it by another better one.
CPU model to choose
I chose the cpu model based on this resource
Those are compatible CPU with different performances prices and all of them … Read more
In this post, I show how I update my Microserver Gen8 iLO4 version. One of the ways to do it is via command line but i decided to use the web interface (the most common way).
At the time of writing this, the version i had was iLO 2.50 (Sep 23 2016) and the new version is … Read more
5th post of the Home Server series in which I explain how I built my own server.
In previous posts I have shown how to install an SSD disk to your HP microserver Gen8 server. Even if you do not have this hardware, in this post I will show step by step how to install the VMWare ESXi 6.5
… Read more