How to check CentOS version

How can i check the version of CentOS that is installed on a machine from command line? . . .

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PuTTY Fatal Error: expected key exchange group packet from server

Hi I am using Putty to ssh to a Centos virtual machine running on virtual box. It was working without any problemn until now when it start throwing the error PuTTY Fatal Error: expected key exchange . . .

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How does HTTPS migration affect Google Analytics?

I am forcing HTTPS on my domain using .htaccess RewriteCond %{HTTPS} !=on RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301] But my Google analytics property is still http. Should I add a n . . .

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'Class 'App\Http\Controllers\App' not found'

I am trying to detect App environment Laravel 5.3 Inside a controller I am using if(App::environment('production')) { ...... } But I am getting this error in laravel.log local.ERROR: exception ' . . .

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What is the best light-weight WYSIWYG editor for desigining a CMS system?

I am looking for an alternative for TineMCE that is more lighter but feature-rich . . .

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How to make iframe embedded videos responsive ?

I want to make the videos responsive but preserve the aspect ratio as well. What is the right way to do this in CSS? . . .

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PXE Boot fail : Could not find kernel image vesamenu.c32

Hi, I have setup a PXE boot server in CentOS 7 and trying a boot client machine off it. It goes up to the stage where it says Trying to load: pxelinux.cfg/default        ok then . . .

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TFTP Connection timed out error

I'm trying to setup a Kickstart server on Centos 7. When my client machine boots it goes into PXE, gets and IP address and then tries to get the image but fails with the message Connection timed out. . . .

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Uninstalling Oracle 11g database software

How can i uninstall Oracle 11g database software from my computer running Windows 10? I checked Programs and Features section in control panel but couldnt find Oracle in the list of installed programs . . .

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How to view recent documents in Windows 10

How can I see the recent documents in Windows 10? Can I add a shortcut to this on my desktop or start menu? . . .

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Deleting all tables in a oracle schema

I want to delete all tables from a schema in Oracle. What is the best/easiest way to do this. I tried this in SQL developer but i have to select each table, then right click and select drop. :( . . .

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Permission to read all event logs - Inaccessible logs: Security

I have VB.NET application that is throwing this error after i installed it on a new computer.  The source was not found, but some or all event logs could not be searched. To create the source, o . . .

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The type initializer for oracle.dataaccess.client.oracleconnection threw an exception

I have an application developed in VB.NET 2010 and it connects to Oracle database using Oracle Data Provide for .Net. This application runs without any errors on my development PC but when I installed . . .

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python installed but commands not working

I have python3.5 installed. When I try to do  apt install python3 It says python3 is already the newest version(3.5.1-3) But when I run python --version It says python is not installed, r . . .

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Open multiple tables in SQL developer

From the tree menu in connections window when i double click on a table a new window will open that shows the tables columns, data, constraints and so on. Now if i double click on a second table the . . .

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