First of all this SSD drive which I use is somehow faulty. It is a Goodram SSDPR-CX400-01T-G2 drive of 1TB. It have been working fine for few weeks until some construction worker made a electric short causing some abnormal frequences in wires resulting a faulty drives and memory sticks. One of victim was this drive: This drives for sure has some issues as at least one of tools shows that it as a problematic badblocks. Second of all in regular use it fails to run VM. It once switched into read-only mode in VM filesystem then after formatting it it
Having your own mail server could be useful but also sometimes dangereous. I am happy to see appliance such as iRedMail which cover variaty of topics regarding a somehow complete solution. I pick Ubuntu 22 on Hetzner. First you create DNS A record for your mail server and following by this a MX record pointing at that A record. Be sure to set proper hostname in the system. You can check it with: Ensure you have it set also in /etc/hosts and /etc/hostname. Next download iRedMail installer and iRedMail.sh script. It will prompt for various things but in my case
You can use OpenStreetMaps on your own hardware. You need to grab map files first, which can be found at https://download.geofabrik.de. Once you downloaded it, install PostgreSQL and enable few extensions: It may be useful at some point later on especially if you would like to try build your own tile server. Next you need to install osm2pgsql and it can be found in system packages in Ubuntu 22. Then: Now give it database password and it will start loading. Depening on hardware it might take from few minutes to tens of hours in case of large files like Europe
Data is valuable if consumed or at least identified. For private and corporate usages I suggest installing Redash as it gives options for saving queries, exporting data, creating visualizations and dashboards and also setting up alerts. There are few other interesting features like creating dropdowns and inputs from saved queries or joining resuls from different data sources thru in-memory SQLite instance. To install Redash, clone the repository. I recommend running Ubuntu 18 LTS server version as it is tested on this distribution. Then chmod a setup.sh file for execution and run it. It will ask for sudo password and going
As already stated in my year 2023 plans, there will be some time for graphics programming. Back in the days I was exploring OpenGL but that was way long ago. Nowadays I think to try something much simpler and accessible like for instance WebGL. This library relies on JavaScript for logic and OpenGL ES for presentation layer. So it is hardware accelerated. But there are some issues with this acceleration. On some computers you can specifically select particular GPU in BIOS/UEFI. However not on every computer. To start with I tried on Lenovo ThinkPad T420s with NVIDIA NVS 4200M. Testing
I’m looking forward for new year’s technology opportunities. I have few ongoing projects which I would like to finish by the end of this year. Here is some brief overview of them: Data Mining chapter of Simple HPC series News feed tool as a subproject for data mining AI/ML project utilizing news feed, OpenCL processing and user-input training Highly portable system monitoring tool for my day-shift Video graphics… most probably WebGL/THREE.js I will try to fit all of these within just around 300 hours available…
I thought that installing pg gem on my clean Ubuntu 22 will be easy, but no. I got some weird message: So I tried to force installation: After this: On this Ubuntu 22 release installing Ruby interpreter from packages you got 3.0.2p107. The problem might be because of pgadmin4 which I installed before, so it could break something.
SMB shares can be created either with UI on a desktop version or command line on a server installation. You can use this shares both on Linux stations and Windows boxes as well. We are going to create editors group and add current user to this group. Share location is under /data folder which is owner by editors group who’s participants can read and write to this shares folders. Now once again edit smb.conf file to add a share configuration: Restart smbd service: And the last thing is to map system users to SMB users:
In case you use ever changing outbound public IP connection like in Microsoft Azure, then you can try create machine with public IP and passing your local traffic to remote site via simplaproxy. L switch is for local and R is for remote. To make it durable you can try creating systemd service or keep it open on screen session.