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Display or Hide a text or link just to mobile devices

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Show content on mobile devices.

This is where things get technical. To insert text or images specifically for mobile on your landing page, simple add the following code in the HTML <body>:

<div class="mobileShow">
TEXT OR IMAGE FOR MOBILE HERE
</div>

This div will declare that this copy will respond only when the class is triggered. By adding the code below, the class will only be triggered when the user is on a mobile device. Add the following code in the HTML <head> section of your page:

<style type="text/css">
   .mobileShow { display: none;}
   /* Smartphone Portrait and Landscape */
   @media only screen
   and (min-device-width : 320px)
   and (max-device-width : 480px){ .mobileShow { display: inline;}}
</style>

Hide content on mobile devices.

To hide certain text or images that will not display on mobile devices, you will add similar code as before in your HTML <body>:

<div class="mobileHide">
TEXT OR IMAGE NOT FOR MOBILE HERE
</div>

Then, you will want to add the following code to your HTML <head> section:

<style type="text/css">
   .mobileHide { display: inline;}
   /* Smartphone Portrait and Landscape */
   @media only screen
   and (min-device-width : 320px)
   and (max-device-width : 480px){  .mobileHide { display: none;}}
</style>

If you want this styling to apply to your entire website, add the following to your CSS stylesheet:

.mobileHide
{ display: none;}

 

 

 

Avoid getting hacked due to vulnerable WordPress plugins

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If you’re running a WordPress site and given the number of potentially show-stopping problems that exist, get fixed, and are replaced with new problems that are just as bad then you need to be on top of what plugins you’re using and what problems they might have. Rather than scanning through loads of vulnerability notices and checking each plugin’s Web site for news there’s not only WPScan, there’s also a free plugin that check the plugins you use for known issues. It’s called Plugin Vulnerabilities and published byWhiteFirDesign.

The publishers also offer another free plugin, Automatic Plugin Updates that, as its name implies, will update your plugins automatically as new versions become available (you can also set up an “ignore” list to exclude specific plugins from automatic updates).

 

Delete millions thousands of exim mail queues using ssh command line

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First of all stop the mail server by

service exim stop

then, change directory to /var/spool/exim

cd /var/spool/exim

Now, execute the below command, which will delete all the mails on the mail queue folder.

find input -type f -exec rm -rf {} \;

Now, we also need to run the command for msglog folder too.

find msglog -type f -exec rm -rf {} \;

Once done, start the mailserver exim.

service exim restart

 

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