Configuration guides for IT Administrators

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Ubuntu installation process is continuously returning back to the beginning when you setup static IP address in the network configuration. In order to overcome this problem, do not mention Search domains in the network configuration.

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In Hyper-V environment, The image’s hash and certificate are not allowed (DB). You need to disable Secure Boot in VM Settings to proceed with the installation.

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To reset unused PaloAlto firewall interface to its default state of not configured, choose the interface and press delete option at the bottom.

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You might experience the following upload error in WordPress: Unexpected response from the server. The file may have been uploaded successfully.

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Easy steps to configure SNMPv3 on Cisco devices

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Difference between SNMP Versions v1, v2c and v3

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When you experience problem with Ubuntu virtual machine stuck on Orange screen without desktop access, you can overcome it by increasing video memory of VM.

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In Oracle Virtualbox, add virtual machine copies to list of orignal VM using this trick. However best approach is cloning VMs and not copy.

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Use PSExec tool to remotely reboot windows machine.

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split comma seperated string into an array in PHP using preg_split

I’m Lucas Brey, a travel blogger sharing practical guides, hidden gems, and honest tips from the road. Follow along for smart itineraries, great food finds, and stories worth bookmarking.