I do have around 200 mp3 files. there's an example of one mp3 file here I would like to remove the iPhone notification sound. which is in the start of each mp3 file. i tried the following command but failed to achieve it: ffmpeg -ss 00:00:01.7 -i *.mp3 -y i understood that -i will rewrite the f...

It's my first question here ! I've tried many grep, still not found what I wanted ... So, here we are. I have many many files that contain things like this : {"group":{"name":"Subdivision01","id":"94827-20934-23085"}manytext {"group":{"name":"Department28","id":"11672-23517-87241"}manytext {"...

I have an unstable internet connection tethered by my mobile. In my home, I have ability to use slower ethernet. Is it possible to make my internet connnection to work like it tries to connect to my tethered internet if that is available and if not, it uses ethernet? I found that it is not by def...

If I perform a TCP based call (for example a HTTP call), the first thing that happens is that the 3 step tcp handshake is made. If I then use netstat like below, it shows me that there is a TCP connection with state ESTABLISHED: netstat -an | grep ESTAB Proto Recv-Q Send-Q Local Address F...

With both SHELL=/bin/bash` BASH_ENV=/home/ubuntu/.bashrc` set on AWS Ubuntu 20.04.1 LTS crontab, .bashrc isn't sourced. I've made sure with ps -p $$ that SHELL=/bin/bash is actually running bash instead of what would be sh. I also made sure that BASH_ENV is properly set by running echo $BASH_EN...

My NVidia Drivers are broken, I can't boot up my Zorin OS (ubuntu 18.04) system, so I entered recovery mode, and purged the drivers using apt-get. But when trying to install another version (450) I see that I have no internet connection. I can't use net-tools, I don't have them installed, and I a...

The issue that I'm having is that headphones plugged into the 3.5mm jack on the front of my desktop computer are not always detected. I'm running Ubuntu 20.04 on a custom built computer with a B450 Tomahawk motherboard. I'm certain that the issue is with Ubuntu 20.04 because the issue was not occ...

Trying to setup my own vpn. While trying to configurate SHH and entering: ssh-copy-id user@ip-adress and enter my password i get: Could not chdir to home directory /home/user: No such file or directory sh: 1: cd: can't cd to /home/user mkdir: cannot create directory '.ssh': Permission denied

I have written a systemd service for my python app. The script is installed in /etc/systemd/system on Ubuntu 18.04and has been enabled and started. I want the app to always be restarted after a set time interval whenever it exits/stops/killed/crashed or when the device reboots. The service shoul...