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I build an Application which captures screenshots and sends it to a WordPress website through sftp. I wonder how cloudflare can be used securely like this as it can be bypassed by this open port....

First and Major difference between Array and ArrayList in Java 

Case: My company would like to build project management of construction, this should manage all activities for each 5 stages like planning, execution, revision; the first challenge I see is the...

My raspberry pi, does not boot into desktop. When i checked the log files of boot, I get the following messages from the kernal.I am operating my raspberry pi through ssh in headless mode.

What are the different types of Datatypes in Java?

What are the different types of Operators in Java

I have to work with a colleague to create a streaming application that needs 2-4 phones, a laptop and a browser. He works on the mobile app and he has to record video and send it directly to me (...

Hi,

After running NGINX ingress in k8s and creating around 2000 namespaces with 1 ingress rule per ns the controller got stuck in CrashLoopBackOff.

There is nothing...

I am trying to work off of http://wiki.apache.org/solr/SolJSON tutorial. I have put my url for solr in the code, copied from solr admin query...

Since you recognize what your website will do, assembling your website plan just got significantly less demanding. It's imperative that your website configuration is kept straightforward and...

Greetings 

I have a question on Solr / Wordpress

I am creating a Workpress site (old newspaper scans in pdf format ) .

In terms of Solr searching , Could I...

I want to back up a remote Linux Ubuntu server using the rsync command. For this purpose, I installed a Linux Ubuntu system on VirtualBox hosted on a Windows 10 PC. Now I tried to connect to the...

I run Linux Ubuntu without any GUI.  Now I would like to use ClamAV with the GUI. I installed ClamTK on the server but I do not know how to open it. Is it possible to use ClamTK from the terminal...

I can not run clamscan on my Linux Ubuntu machine. How can I fix this?

I am using nginx reverse proxy with ingress object to route my requests to kubernetes pod.

With the below config in place, when I place a request to...

I installed Linux Ubuntu on a virtual machine from Virtualbox. Now I want to connect the OS to the internet. How can I do this? 

I want to back up a remote Linux Ubuntu system using rsync. Therefore I set up a virtual machine with Virtualbox. I installed Linux Ubuntu on the virtual machine. I can ping the remote server with...

I forgot my password on a Linux Ubuntu system installed on a virtual machine. Is it possible to change the password so that I can login again?

I disabled FTP at my server because SFTP is much more secure. This worked fine. Now I enabled the Plesk firewall to put another layer of security to my server. After I enabled the firewall the...

I ran the command

nmap localhost

on my Linux Ubuntu machine and got the following output

Other addresses for localhost (not scanned): ::1
rDNS...

I worked on the sshd_config file and changed the addAuthorizedKeysFile in it. After that I lost the connection to the server and I am not able to login via ssh again. I have no access to the...

I try to login at my linux ubuntu server via ssh-keyfile from another user. I checked all the file permissions carefully.

.ssh hat 700 and authorized_keys file has 600 permission....

I tried to add a new user with sudo permission. The problem is that somehow the keyfile authentification for this user does not work. I copied the public key into the ~ssh/authorized_keys of the...

I downlowded a torrent file from many different sources. Thats a bit risky as people might have been added some malicious code into the software. Thats why I would like to calculate the checksum ...

I wonder why spamassasis grantes itselve ssh access with bin/sh instead of bin/false. Is this no security risk to grant a software full shh access to the server?

a costumer is purchasing 5 items from a store. design a program that asks for price of each item and then displays the subtotal of the sale, the amount of sales tax and the total?

I set up a WordPress website with the sytsem email [email protected] but somehow website uses [email protected]...

I run a WordPress website and found that the remember me checkbox within login process has no function. If I close the browser and open site again I need to login again. The site does not remember...

I run a WordPress website. If I login as admin I need to enter the login creditials always twice. Why I need to login always double? Is it possible to change this behaviour? I found that there are...

I changed the email adress of my WordPress website but somehow the email adress is not updateing. How can I fix this?