Screen start issues
Cannot make directory ‘/var/run/screen’: Permission denied
It’s a very simple fix :- sudo mkdir /var/run/screen
- sudo chmod 775 /var/run/screen
- sudo chgrp utmp /var/run/screen

Cannot make directory ‘/var/run/screen’: Permission denied
It’s a very simple fix :
In this comprehensive guide, we delve into the capabilities of Ansible, Puppet, Salt, and Chef—four leading DevOps tools used for automation and configuration management. We explore practical examples, such as creating directories, managing files, and ensuring services like Docker run smoothly in an Ubuntu 22.04 environment. Each tool’s unique syntax and operational model are showcased, helping users decide the best tool for specific needs, whether prioritizing ease of use with Ansible or complex configurations with Chef.





Optimizing performance in Proxmox virtual environments is crucial for maintaining efficiency and reliability. This detailed guide covers common performance issues such as resource contention, I/O bottlenecks, and CPU overcommitment. Practical tips include using tools like `htop`, `iostat`, and `vmstat` for baselining, adjusting VM resource allocations, and configuring kernel parameters. By following these steps, you can significantly enhance the performance of your Proxmox VMs and containers, ensuring an optimal and efficient virtual environment.