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  1. DevOps

    Tutorial How to increase the size of the /tmp folder on Linux?

    What seems to have happened: Your / was full, then Ubuntu created a new partition, in RAM memory, to use temporarily. Now, this 100GB partition is not big enough for the job, either. What we can do: 1) increase the size of this partition just to do the upgrade 2) actually delete enough files in...
  2. DevOps

    Tutorial How to create and configure your own STUN/TURN server with coturn in Ubuntu 18.04 or 20.04

    Learn how to configure your own stun/turn server using coturn in Ubuntu 18.04 or 20.04 from scratch. On the last days, we needed to implement a WebRTC based videoconference application using PeerJS with Node.js. As mentioned on the official notes of getting started with this technology, most...
  3. DevOps

    Tutorial How To Reset Or Change The Root Password In Linux

    Introduction In Linux, root privileges (or root access) refers to a user account that has full access to all files, applications, and system functions. Most basic Linux user accounts run with limited privileges. This keeps users from making mistakes or accidentally exposing the system to...
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