Bash: find highest numerical value folder – Ubuntu
I have a folder with several numeric subfolders: . ├── 1 ├── 2 ├── 3 ├── 4 └── 5_a I would like to find the one with the highest value. In this example it would be folder 4. The folders…
Print random line into different text file – Ubuntu
What I want to do is print a random line from text file A into text file B WITHOUT it choosing the same line twice. So if text file B has a line with the number 25 in it, it…
Jupyter error "ModuleNotFoundError: No module named 'jupyterlab'" – Ubuntu
After updating to Ubuntu LTS 22.04 the usual code "jupyter lab" is no more working. Here what I get instead: Traceback (most recent call last): File "/home/lorenzo/.local/bin/jupyter-lab", line 5, in <module> from jupyterlab.labapp import main ModuleNotFoundError: No module named 'jupyterlab'…
How to publish container through web browser?
I am trying to learn kubernetes. I can deploy containers. How can we publish/show container through web browser? I think we can create nodePort through service. How can we do this? Thank you for helping me.
Automatically grep an expression between matched parenthesis
I have a source code which frequently includes a piece of code like foo ( bar ( foo0(<An arbitrary number of parenthesis may appear here>) ), foo1bar(<An arbitrary number of parenthesis may appear here>) ) I want to capture this…
ImportError: libpython3.8.so.1.0: cannot open shared object file: No such file or directory
When I try to run my python projects, in some cases I get this error: File "/usr/local/bin/AAA/camera_service/camera_service_main.py", line 6, in <module> from views.hires_camera_handler_view import hires_camera_handler_blueprint File "/usr/local/bin/AAA/camera_service/views/hires_camera_handler_view.py", line 7, in <module> from hires_camera_handler.hires_camera_handler import HiResCameraHandler File "/usr/local/bin/AAA/camera_service/hires_camera_handler/hires_camera_handler.py", line 3, in…
Kubernetes – Unable to initialize control-plane
Can someone please help I'm getting the following error when I run 'kubeadm init' [init] Using Kubernetes version: v1.25.0 [preflight] Running pre-flight checks [preflight] Pulling images required for setting up a Kubernetes cluster [preflight] This might take a minute or…
Bash script ,which puts all the files in order of size
I need help with a bash script. The problem is that I want to sort all the files in order of size, but I only need files, not folders,and to show me their size as well. I have this code…
W: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details
I have installed gazebo on my ubuntu 22.04 LTS following the steps in https://classic.gazebosim.org/tutorials?tut=install_ubuntu via their alternative installation. I am getting the following error when I try to update the packages using sudo apt update W: http://packages.osrfoundation.org/gazebo/ubuntu-stable/dists/jammy/InRelease: Key is stored…
Unable to locate package python-openssl
I'm trying to install Pyenv, and I'm running on Ubuntu 22.04 LTS. but whenever I run this command sudo apt install -y make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev python-openssl git…