The initial problem: Install the nix package manager then install other programs (e. g. lua) using the nix by launching a bash script only once. The solution: I have written the following bash script install.sh: #!/bin/bash install_nix() ( echo "installing…
Connected my PC to a Touch screen-based monitor and looking for a solution to disable the on-screen keyboard which pops up when I touch the screen on the terminal. Attaching the image for reference. I use both Ubuntu 20.04 and…
I'm storing time-series data of some products to my DB server. Ubuntu 20.04 LTS PostgreSQL 15.x SSD: 5TB with RAID 5 (OS and Postgres installed) HDD: 6TB with RAID 5 (my target of data migration) As data comes in, it…
The following bash is used to replace the "$source_product" with "$source_product" + "linefeed" + "$target_product". Here is the bash script: source_product="$(LOCAL_DIR)/source \" target_product="$(LOCAL_DIR)/target \" echo "source_product: $source_product" echo "target_product: $target_product" echo "" echo "--- replace source with source+target ---" echo…
I've image an image with white background. I used command to make it transparent convert imoji.png -fuzz 20% -transparent white result.png I got the result.png. The command has removed pixels inside the emoji and some other parts. I need it…
I am trying to install python, nodejs and npm inside an ubuntu image and I get the following error 125.4 debconf: Perl may be unconfigured (Debconf/Log.pm did not return a true value at (eval 1) line 4. 125.4 BEGIN failed--compilation…
I am trying to call simple kubectl commands from Jenkins for my Azure setup. Jenkins is installed jumpbox which is connected to AKS and ACR. kubectl commands run perfectly fine in the terminal however fail when called from Jenkins. Below…
~$ sudo apt update Hit:1 http://vn.archive.ubuntu.com/ubuntu jammy InRelease Hit:2 http://vn.archive.ubuntu.com/ubuntu jammy-updates InRelease Hit:3 http://vn.archive.ubuntu.com/ubuntu jammy-backports InRelease Hit:4 http://security.ubuntu.com/ubuntu jammy-security InRelease Ign:5 http://packages.ros.org/ros/ubuntu jammy InRelease Err:6 http://packages.ros.org/ros/ubuntu jammy Release 404 Not Found [IP: 140.211.166.134 80] Reading package lists... Done E: The…
I am losing my logs everytime I remove and then start Grafana Loki and promtail containers (i.e. all the logs till the time of container removal). I want to know if its possible to retain logs on local filesystem between…
I deployed my angular front end and my laravel backend to an ubuntu VM onto an nginx web server. Now the front end works fine and is accessible through my URL, however the backend API does not work - I…