Linux TCP/IP, GreenIT and more…
Tiny howto for changing the MAC-Address of your hardware network interface (NIC). If a special firewall accept packets only from a special MAC-Address, with this work around you will trick it out to accept packets from your NIC:
1 | /etc/init.d/networking stop |
Another really helpful check for your Icinga or Nagios instance.
If your have any windows machines you can check the Windows Update-State. How many Updates you need to install and if you need to reboot your servers after updating them. Continue reading ‘Icinga/Nagios: Check Windows Updates’
Gnome-Pie is a really cool app launcher with high usability.
Forgot the stupid search of your favorite application, create your own pies and choose them by a simple hot-key. Continue reading ‘Gnome-Pie cool app launcher’
On June 8, 2011 was world IPv6 day and I shared some VPS boxes. Only one guy wants Ubuntu 11.04 – no problem he get it.
I was painfully remembered that Ubuntu.com has still some problems with AAAA record for security.ubuntu.com… They have no records:) Continue reading ‘Ubuntu ipv6 fail’
Nagios and Icinga have a lot of notification opportunities, receive status via Mail, SMS, Twitter or maybe XMPP? Sometimes is it not easy to decide what you really need and what is better for your quick reaction.
If you have more than one monitor it is easy to overlook an important mail, or your mobile phone is in silent mode and you don’t know that you get a critical notification.
If you are a webmaster and you are working a lot with your browser – there is a solution for Mozilla Firefox with terrible wake up sounds – called Nagios Checker for Mozilla Firefox:
Continue reading ‘Nagios/Icinga Traffic-Light’