linuxkathirvel

How to set filename automatically in Flameshot on Fedora 34 Workstation Gnome 40?

# Capture a region using the GUI, and have it automatically saved to your pictures folder when clicking the save button in GUI
flameshot gui -p /home/user/Pictures

References

https://flameshot.org/key-bindings/

linuxkathirvel

How to store LDAP password into Django DB?

Combine LDAP and classical authentication in django

Authenticating and populating users in Django using a Windows Active Directory and SASL

https://github.com/django-auth-ldap/django-auth-ldap/blob/master/django_auth_ldap/backend.py

linuxkathirvel

How to add/append the current query string to an URL in a Django template?

<a href="{% url 'django-url-name' %}?action=view&{{ request.GET.urlencode }}">View</a>

Reference

How to add the current query string to an URL in a Django template?

linuxkathirvel

How to solve pyodbc.OperationalError: ('08001', '[08001] [Microsoft][ODBC Driver 17 for SQL Server]SSL Provider: [error:1425F102:SSL routines:ssl_choose_client_version:unsupported protocol] (-1) (SQLDriverConnect)') error?

This error due to openssl.

Steps

Open /etc/ssl/openssl.cnf and update these lines

[system_default_sect]
MinProtocol = TLSv1
CipherString = DEFAULT@SECLEVEL=1

linuxkathirvel

How to assign more than one DNS IPs in Fedora 34 for OpenVPN connection?

Open /etc/systemd/resolved.conf file

sudo vim /etc/systemd/resolved.conf

Add DNS IPs with space separated. DNS variable will be commented default. We should uncomment it to enable

DNS=208.67.222.222 208.67.220.220

Save the file

linuxkathirvel

Django + PostgreSQL + Debian Setup

Install needed packages

sudo apt update -y
sudo apt install python3-pip python3-dev libpq-dev postgresql postgresql-contrib nginx curl virtualenv redis-server sudo vim vim-nox htop tmux git -y

Restore PostgreSQL DB

sudo -iu postgres
psql -U django_user django_project_db < django_db_backup.psql

linuxkathirvel

How solve libvirt.libvirtError: Requested operation is not valid: network 'default' is not active?

virsh net-list --all
virsh net-autostart default
virsh net-start default
virsh net-list --all

linuxkathirvel

These steps for Ubuntu 16.04 LTS

How to install Pyodbc in Ubuntu?

sudo apt-get install unixodbc-dev
pip install pyodbc

Install ODBC Driver for SQL Server

If the system have not ODBC driver, you will get below error.

pyodbc.Error: ('01000', "[01000] [unixODBC][Driver Manager]Can't open lib 'ODBC Driver 13 for SQL Server' : file not found (0) (SQLDriverConnect)")

linuxkathirvel

Custom unique error message to Django model form for already exists error

# forms.py
class Meta:
  error_messages = {
    'mobile': {
      'unique': _("Mobile number already exists."),
    },
    'email': {
 'unique': _("Email already exists."),

linuxkathirvel

How to fix "You're accessing the development server over HTTPS, but it only supports HTTP." in Django?

Check the Django's site URL. It may have https.

Disable following variables in settings.py or .env

SECURE_CONTENT_TYPE_NOSNIFF = True
SECURE_BROWSER_XSS_FILTER = True
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True
SECURE_SSL_REDIRECT = True