Linux - Show git branch in bash prompt
If you are a Git user, you can find very useful this custom prompt.
Branch
Shows working branch when it detects the current folder is
linux
Linux - Join to Windows domain (realm command)
Dont be afraid. Joining a linux machine to a windows active directory domain is not difficult. This post explains step by step how to join
Security - List available cipher suite using nmap
If you are in process of securing your web server or site, there are some tools and online resources that can help us a lot
Home Server (7) - Install Linux Debian virtual machine in ESX
In this 7th post of the Home Server series, after having configured a SSD drive, a working ESX environment and the RAID disks, let’s
Icinga – How to configure passive checks made easy (2)
In the previous post I explained what is the difference between Icinga active and passive checks, why can be interesting to use passive checks, what
Icinga - How to configure passive checks made easy (1)
As I posted long time ago for Nagios (Nagios – Using passive checks without agent), it is time to show an easy way to configure Icinga
Icinga2 - Understanding checks and notification types
Here I am trying to present (I hope in an easy way to understand) some Icinga concepts (maybe also applicable in Nagios) like active and
Linux - Exim: Authenticated and TLS mail through smarthost
Exim is a very flexible and common MTA (mail transfer agent) in Unix systems.
This posts shows the way to configure Exim as client to
Linux - TCP listener daemon with tcpserver
To configure passive checks in Nagios/icinga I use a tcp listener daemon that launches a script (See Nagios – Using passive checks without agent)
Tried
Linux - cannot found / missing inetd.conf
Trying to configure a new inetd service needed for my Icinga (see Linux – Create custom inetd service), but i have not been able to find
Linux - Create multiboot CD combining multiple ISO images
This post shows the steps to create a multiboot cd with multiple Linux distributions or tools.
For example, I created a recovery / disaster case cd
Security - Convert PFX to PEM using Windows or Linux
For certain application, a job partner asked me to send him certain certificate with private key in PEM format. Normally I’m using PFX format,
Linux - Running top command remotely (SSH)
Maybe you have tried to execute the top command to monitor processes on a remote host.
Error remotely – Run it in batch mode
If so,
Icinga – Installation / Setup on Debian Linux (2)
The second of my post series to show the installation and setup of the Icinga monitoring tool. This one covers the installation of the Icinga
Icinga - Installation / Setup on Debian Linux (1)
As you can see in previous posts…, Im in love with Nagios to monitor my systems… after creating some powerful, customized plugins for my Checkpoint