Archive for the ‘Linux (Ubuntu)’ Category

Linux check the physical health of a USB stick [ Flash drive ]

Friday, December 13th, 2019

Linux check the physical health of a USB stick [ Flash drive ]

How do I check the physical health of a USB stick in Linux operating systems? How do I check USB flash drive in Linux? Can you tell me Linux command to test and detect bad sector in USB flash memory or pen drives?

The post Linux check the physical health of a USB stick [ Flash drive ] appeared first on nixCraft.

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How to Install OpenVPN Server and Client with Easy-RSA 3 on CentOS 8

Friday, December 13th, 2019

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How to Install OpenVPN Server and Client with Easy-RSA 3 on CentOS 8
OpenVPN is an open-source application that allows you to create a secure private network over the public internet. In this tutorial, we will show you how to step-by-step install and configure OpenVPN on CentOS 8. And we will implement the certificate-based OpenVPN authentication.

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BASH Shell Test If a File Is Writable or Not

Thursday, December 12th, 2019

BASH Shell Test If a File Is Writable or Not

How can you test if a file is writable under UNIX / Linux bash shell scripting and programming language?

The post BASH Shell Test If a File Is Writable or Not appeared first on nixCraft.
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How to see Time-To-Live (TTL) for a DNS record

Thursday, December 12th, 2019

How to see Time-To-Live (TTL) for a DNS record

How do I see Time-To-Live (TTL) for a DNS record using Linux, macOS, *BSD, or Unix-like systems command line option? How do I find my DNS TTL?

The post How to see Time-To-Live (TTL) for a DNS record appeared first on nixCraft.

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How to Setup Textpattern CMS on CentOS 8

Thursday, December 12th, 2019

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How to Setup Textpattern CMS on CentOS 8
Textpattern is a free and open-source PHP content management system. It is rather lightweight, fast, and easy to use while providing decent customizability through themes and plugins. In this guide, we will install Textpattern on a fresh CentOS 8 system.

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How to test and validate DNSSEC using dig command line

Wednesday, December 11th, 2019

How to test and validate DNSSEC using dig command line

How do I test and validate DNSSEC using the dig command line under Linux, macOS, *BSD, and Unix-like systems?

The post How to test and validate DNSSEC using dig command line appeared first on nixCraft.

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How to add bash auto completion in CentOS 8 Linux

Wednesday, December 11th, 2019

How to add bash auto completion in CentOS 8 Linux

I set up a new cloud server, but my auto-completion of bash shell commands are not working. How do I enable autocomplete feature in CentOS 8 (CentOS Enterprise Linux 8)? How do I write simple bash completion code in CentOS 8?

The post How to add bash auto completion in CentOS 8 Linux appeared first on nixCraft.

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How to set rsync speed limit from eating all bandwidth

Wednesday, December 11th, 2019

How to set rsync speed limit from eating all bandwidth

The rsync command is eating all my bandwidth from a backup script and generating tons of I/O. How do I set a limit for file transfer speed of rsync command on Linux or Unix-like system? How can I keep my rsync script from using all of my bandwidth?

The post How to set rsync speed limit from eating all bandwidth with -bwlimit option appeared first on nixCraft.
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How to set rsync speed limit from eating all bandwidth

Wednesday, December 11th, 2019

How to set rsync speed limit from eating all bandwidth

The rsync command is eating all my bandwidth from a backup script and generating tons of I/O. How do I set a limit for file transfer speed of rsync command on Linux or Unix-like system? How can I keep my rsync script from using all of my bandwidth?

The post How to set rsync speed limit from eating all bandwidth with -bwlimit option appeared first on nixCraft.
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How To Set up OpenVPN Server In 5 Minutes on Ubuntu Linux

Wednesday, December 11th, 2019

How To Set up OpenVPN Server In 5 Minutes on Ubuntu Linux

{Updated} I am a new Ubuntu Linux server user. How do I setup an OpenVPN Server on Ubuntu Linux version 14.04/19.10, or 16.04/18.04 LTS server to shield my browsing activity from bad guys on public Wi-Fi, and more?

The post How To Set up OpenVPN Server In 5 Minutes on Ubuntu Linux appeared first on nixCraft.
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