linuxkathirvel

How to assign PrtScr(Print Screen) key to Flameshot screenshot tool in Gnome 3?

1. Goto Keyboard settings and click 'Save a screenshot to Pictures' under 'Screenshots' section.
2. Press 'Backspace' key delete 'PrtScr' key shortcut and press 'Set' button
3. Press '+'(Plust) icon in the 'Custom Shortcuts' in the same window
4. Enter 'Flameshot' in 'Name' field , 'flameshot gui' in 'Command' field, and click 'Set Shortcut' button and press 'PrtScr' button in the keyboard and close the dialog box 5.That's it. If you press 'PrtScr' key, the Flameshot selection area screen will appear.

linuxkathirvel

How to install Python psycopg2 in Manjaro and Arch Linux?

sudo pacman -S postgresql-libs
pip install psycopg2

linuxkathirvel

MySQL 5.7 installation in CentOS 7

sudo su

# Remove MariaDB packages
yum list installed | grep -i maria
yum remove mariadb.x86_64
yum remove mariadb-libs.x86_64

# Download MySQL 5.7 RPM tar

linuxkathirvel

How to boot ISO image in KVM using XML configuration?

<disk type='file' device='cdrom'>
      <driver name='qemu' type='raw'/>
      <source file='/data_ssd/iso-images/ubuntu-16.04.6-server-amd64.iso'/>
      <target dev='hdc' bus='ide'/>
      <readonly/>
      <boot order='1'/>
 

linuxkathirvel

Install Microsoft Core Fonts in OpenSUSE 15.1 Leap

sudo zypper install fetchmsttfonts

linuxkathirvel

How to create OpenVPN connection in KDE Plasma using NetworkManager GUI with .ovpn file?

linuxkathirvel

How to take backup PosgreSQL using pg_dump with crontab in Linux?

Find the pg_hba.conf file

sudo su - postgres
psql
SHOW hba_file;

Change the method to 'trust' and save the file

sudo vim /etc/postgresql/11/main/pg_hba.conf

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

linuxkathirvel

How to solve "django.db.utils.ProgrammingError: must be owner of relation table_name"?

\c database_name;
REASSIGN OWNED BY old_owner TO new_owner;

linuxkathirvel

How to fix ERR_TOO_MANY_REDIRECTS issue in Django+Gunicorn+NGINX?

NGINX configuration

server {
        listen 80;
        server_name kathirvel.com;
        return 301 https://kathirvel.com;
        client_max_body_size 1024M;
}
server {