Linux Ubuntu - See Running process with port number and details for that service

To see the pid details of running process

step 1.

lsof -i TCP:<port number>

lsof -i TCP:99

step 2

ps -ef | grep <pid>

ps -ef | grep 39100

step 3

kill -9 <pid>

Solution Ubuntu - Anydesk Gtalk Teams Skype Screen Sharing Not Working

 Step 1: type below command in terminal

    > echo $XDG_SESSION_TYPE

Step 2: Open this file and remove the Comment # like below & reboot

> sudo nano /etc/gdm3/custom.conf

WaylandEnable=false

>reboot

Epson Printer or Scanner not working in Ubuntu

 After installing, kindly run the below plugin.

sudo apt-get install libqt5widgets5

Ubuntu - Apache2 403 forbidden after changing the directory path apache2.conf Solution

 Step 1 

Always better to create a folder under your home/user folder.

for ex:

    mkdir /home/drvijay/html

    cd /home/drvijay/

    chmod -R 775 html/

    chown drvijay:drvijay html/

 

Step 2

> sudo nano /etc/apache2/sites-available/000-default.conf

#Comment the older root path and add yours

#       DocumentRoot /var/www/html

        DocumentRoot /home/drvijay/html 

Step 3

> gedit /etc/apache2/apache2.conf

#add your block and comment the /var/www/html block

Step - 4

 systemctl restart apache2

Enjoy

http://localhost

Ubuntu Linux - Connect Postgresql from Psql and also PGadmin Remotely

 Step 1 :

> sudo su

> vi /etc/postgresql/10/main/postgresql.conf

#listen_addresses = 'localhost'

to 

listen_addresses = '*'

>vi /etc/postgresql/10/main/pg_hba.conf
# IPv4 local connections:
host    all             all    127.0.0.1/32  md5

to
host    all             all   0.0.0.0/0   md5


>sudo ufw allow 5432/tcp
>sudo systemctl restart postgresql


     
>psql -h localhost -d databasename -U userrolename
    ...enterpasswordfor-userrolename

Install Latest ImageMagick to support PNG, JPG convertions

 #These are the steps required in order to Install ImageMagick with JPG, PNG and TIFF delegates.

sudo apt-get update 

#Install Build-Essential in order to configure and make the final Install

sudo apt-get install build-essential 

#libjpg62-dev required in order to work with basic JPG files

sudo apt-get install -y libjpeg62-dev 

#libtiff-dev is required in order to work with TIFF file format

sudo apt-get install -y libtiff-dev 

#libpng-dev required in order to work with basic PNG files

sudo apt-get install -y libpng-dev

#Download ImageMagick

wget https://www.imagemagick.org/download/ImageMagick.tar.gz 

#Untar Imagemagick

tar xvzf ImageMagick.tar.gz 

#Access the working directory

cd ImageMagick-[version_number] 

#Configure and make sure to disable the "shared" option

./configure --disable-shared

#Make

sudo make

#Install

sudo make install

#Final Check

sudo make check

Ubuntu KAZAM Screencast Recorder Audio Problem - FIX

1. Install Kazam 

    sudo apt install kazam

 2. modify this file:

/usr/lib/python3/dist-packages/kazam/pulseaudio/pulseaudio.py

and replace

time.clock()

with

time.perf_counter()

OR SIMPLE CLI COMMAND

sudo sed "s/time.clock()/time.perf_counter()/g" -i /usr/lib/python3/dist-packages/kazam/pulseaudio/pulseaudio.py

3. Open Kazam, Go to File -> Preferences. General

    Speakers -> SELECT from the list like 

                   Monitor of Built-in Audio ...







ENJOY





Forticlient SSL VPN - Ubuntu 16.x 18.x 20.x

 sudo apt update

 64 bit

wget https://hadler.me/files/forticlient-sslvpn_4.4.2333-1_amd64.deb

32 bit

wget https://hadler.me/files/forticlient-sslvpn_4.4.2333-1_amd32.deb

sudo dpkg -i forticlient-sslvpn_4.4.2333-1_amd64.deb 

After Installation

Just windows key or desktop search = type forticlient

Ubuntu - Maven - SSL Error while doing mvn clean install

sudo dpkg --purge --force-depends ca-certificates-java sudo apt-get install ca-certificates-java sudo update-ca-certificates -f

Install HP Printer in Ubuntu 20.04

Goto https://developers.hp.com/hp-linux-imaging-and-printing/gethplip
download the hplib with for your OS.

> cd /home/drvijay/Downloads/

> sudo chmod +x hplip-3.20.6.run
> ./hplip-3.20.6.run

or

> sudo apt install hplip-gui

#if any error, then below command will fix

> sudo apt install $(echo $(apt-cache search hplip | sed 's/ - .*$//g'))


















windows key -> type -> hp tool box

Ubuntu Linux - Gnome Disk Boot Uninstall - Asking new user profile at booting 52MB new Loop disk

sudo apt-get remove gnome-disk-utility sudo apt-get remove --auto-remove gnome-disk-utility sudo apt-get purge gnome-disk-utility sudo apt-get purge --auto-remove gnome-disk-utility sudo apt update

Connect Watchgaurd VPN in linux ubuntu 20.04

1. Go to Pritunl https://client.pritunl.com/
2. Scroll to bottom, Select your linux OS, for ex: Ubuntu 20.04
3. Copy and paste the steps in your terminal
4. Windows Key in your keyboard, type pritunl, Open Pritunl GUI

5. Go to windows machine which watchgaurd is already installed.
     “%Appdata%\Watchguard\Mobile VPN\
6. Copy the following files to your linux machine for ex: /home/drvijay/watchgaurd
     client.ovpn
     ca.crt
    client.crt
    client.pem

7. Now in pritunl -> click import profile -> select the client.ovpn
8. Select connect and Enter your user/pwd from the top left settings









-ENJOY