Month: July 2022


Apple MacBook Pro 15 inch (2007)

I have this nice MacBook Pro (3,1) from 2007. It has Intel’s Core 2 Duo running 2.2 GHz. Unfortunately the battery is dead or electronics reponsible for charging it. It arrived fully charged and was working for like 2 hours or so. In case the battery runs our of any kind of charge and it is not recognized by the system, then the computer will not start at all. This was like a shock to me, but it’s the Apple hardware. To start MacBook without the battery you need to: press and hold power button for 10 seconds with power


Elasticsearch 7: Could not locate that index-pattern

Recently I’ve been tryout Elasticsearch 7 with Kibana and Metricbeat as well as Filebeat. I encountered some issues with indices so I dropped dashboards and visualizations and tried to load them again. I also cleared indices and patterns thru index management page. If you get error message like “could not locate that index-pattern” or something with fields being non-optimized then you should take few actions. Please note that it was my lab Elastic installation so I do not care about deleting indices. First you need to either stop all of your metricbeat modules sending data to the cluster or do


(X)Ubuntu on ThinkPad T61

Recently I got Lenovo ThinkPad T61 in working conditions. It has Intel Core 2 Duo T7100 @1.8 GHz, 4 GB of DDR2. At its maximum it can have up to 8 GB of RAM and C2D T9500, altough I’m not quite sure if changing CPU would be straightforward operation – it seems to be socketed, not BGA. I purchased it because of NVIDIA NVS 140M dicrete GPU onboard and unconventionally high screen resolution of 1680×1050. This comes as a benefit but makes few things difficult. Windows 10 works just fine. But if you want to have Ubuntu on it… it