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Internal Server Error

  • access_log is the log of successful accesses. On a shared or virtual hosting server, there may be many of these: one per website, often with site-specific names or in site-specific locations on the server.
  • error_log is the log of errors. On some hosts, there is an error log per site. On others, each site has its own access_log, but there may only be a single error_log for the system.
  • suexec_log is the log most people forget. It deals with the permissions used to execute CGI and other scripts. When a CGI fails to execute because its ownership is wrong, the generic internal server error shows in the error log, but a more specific error detailing the permissions involved appears in this log.
  • A Permissions Error. In most cases, a 500 Internal Server Error is due to an incorrect permission on one or more files or folders. In most of those cases, an incorrect permission on a PHP and CGI script is to blame. These should usually be set at 0755 (-rwxr-xr-x).
  • A PHP Timeout. If your script connects to external resources and those resources timeout, an HTTP 500 error can occur. Timeout rules, or better error handling in your script, should help if this is the cause of the 500 error.
  • A Coding Error in .htaccess. While not as common, be sure to check that your site’s .htaccess file is properly structured.
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vnc

sudo yum install tigervnc-server
cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service
vi /etc/systemd/system/vncserver@\:1.service
vncpasswd
systemctl daemon-reload # systemctl start vncserver@:1 systemctl status vncserver@:1 # systemctl enable vncserver@:1 firewall-cmd --add-port=5901/tcp --permanent
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Download Windows 10 Disc Image (ISO File)

https://www.cnet.com/how-to/how-to-download-windows-10-for-free-now-that-windows-7-is-dead/

Here’s how to get Windows 10 for free, if you’re currently running a licensed and activated copy of Windows 7, Windows 8 or Windows 8.1 Home or Pro: 

1. Go to the Download Windows 10 website. 

2. Under Create Windows 10 installation media, click Download tool now and Run. 

3. Choose Upgrade this PC now, assuming this is the only PC you’re upgrading. (If you’re upgrading a different machine, choose Create installation media for another PC, and save the installation files.)

4. Follow the prompts. 

5. When the upgrade is complete, go to Settings Update & Security > Activation, and you should see a digital license for Windows 10. 

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FRU

field-replaceable unit In electronic hardware, particularly computer systems, a field-replaceable unit (FRU) is a circuit board or part that can be quickly and easily removed and replaced by the user or by a technician without having to send the entire product or system to a repair facility.

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Google Chrome

wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm

sudo yum localinstall google-chrome-stable_current_x86_64.rpm