0
votes
74
views
move multiple files using bash
posted at March 16, 2019, 8:37 a.m. - 8 months, 3 weeks ago

# This method if the files has no extentions. $ for file in *; do mv "$file" "$file.png"; done # This method if the files has extentions before. $ for …

bash linux
0
votes
154
views
Convert all mp4 files into mp3 files
posted at July 24, 2018, 5:37 a.m. - 1 year, 4 months ago

One method is a bash *for loop*. Easy convert to .mp3 files: mkdir outputs/ for f in *.mp4; do ffmpeg -i "$f" "outputs/${f%.mp4}.mp3"; done For converting only .mp4 files: mkdir …

0
votes
57
views
Simple bash scripting for login before open the terminal
posted at July 12, 2018, 10:13 p.m. - 1 year, 4 months ago

Add this in your file of /etc/bash.bashrc, makesure you logged in as root. while true; do # Don't exit at Ctrl-C trap "echo" SIGINT printf "n" echo -n " Who …

linux tricks beginner
0
votes
50
views
E11000 duplicate key error index in mongodb
posted at July 12, 2018, 10:13 p.m. - 1 year, 4 months ago

E11000 duplicate key error index in mongodb. I found this error after migrating my field from “unique” to “non-unique”. And in this problem we use mongoengine for flask. First, i …

0
votes
59
views
Remove all files .pyc with recrusive method
posted at July 12, 2018, 10:13 p.m. - 1 year, 4 months ago

Remove all files .pyc with recrusive method - This method simple but important. Example in your project dir is like this: project_dir/ __init__.py __init__.pyc something.py something.pyc ... core/ __init__.py __init__.pyc …

0
votes
55
views
How to make cronjob for Django in Hosting, VPS or Server
posted at July 12, 2018, 10:13 p.m. - 1 year, 4 months ago

How to make cronjob for Django in Hosing, VPS or Server. This config also what we do in this site. For example, in your file of /yourproject/yourapp/management/commands/autobackup.py from django.core.management.base import …

server linux django
0
votes
57
views
Quick to understanding git step by step
posted at July 12, 2018, 10:13 p.m. - 1 year, 4 months ago

Quick to understand git step by step. Git is a version control system that is used for software development and other version control tasks. As a distributed revision control system …

git linux beginner
0
votes
65
views
Create Command Line interfaces with Python
posted at July 12, 2018, 10:13 p.m. - 1 year, 4 months ago

Building command line programs has been a long time passion of mine. There’s something magical about making a simple, intuitive, and composable CLI. There’s also nothing more beautiful than chaining …

linux python
0
votes
61
views
Fixed DNS PROBE on Ubuntu
posted at July 12, 2018, 10:13 p.m. - 1 year, 4 months ago

These errors indicate that there is some problem with DNS. check cat /etc/resolv.conf for your DNS settings. And add following name server in /etc/resolv.conf for temporary or in /etc/resolvconf/resolv.conf.d/head for …

linux problem solution