Posts Tagged ‘cent os’

Linux and Unix SysAdmins New Year’s Resolutions (2016)

Thursday, December 31st, 2015

Linux and Unix SysAdmins New Year’s Resolutions (2016)
Linux and Unix SysAdmins New Year’s Resolutions (2016)
Today is the last day of 2015 and it’s that time of year again. Here is my very own 12 resolutions for the New Year.
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How to secure and lock down Apple OS X 10.11 (El Capitan) with osxlockdown

Wednesday, December 30th, 2015

How to secure and lock down Apple OS X 10.11 (El Capitan) with osxlockdown

Is there is an easy way to audit and lock down (secure) Apple OS X 10.11 (El Capitan) unix operating system?
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How to backup and restore a partition table on Linux

Wednesday, December 30th, 2015

How to backup and restore a partition table on Linux

Is it possible to just backup my Linux partition table and restore it when required? How do I restore partition table if it get deleted by mistake on Linux operating system? How do I backup and restore a GPT partition table on Linux?
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How to find out zone information for given country on Linux or Unix

Wednesday, December 30th, 2015

How to find out zone information for given country on Linux or Unix

How do I find out the current time for each zone name specified on the command line on a Linux, FreeBSD, OS X or Unix-like system? How do I report time zone information for Singapore or Japan on the command line?
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How To Read CPUID Instruction For Each CPU on Linux With x86info and cpuid Commands

Monday, December 14th, 2015

How To Read CPUID Instruction For Each CPU on Linux With x86info and cpuid Commands

Is there a CPU-Z like a freeware/open source software that detects the central processing unit (CPU) of a modern personal computer in Linux operating system? How can I get detailed information about the CPU(s) gathered from the CPUID instruction, including the exact model of CPU(s) on Linux operating system?
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How to Force Apache To Show a HTTP-410 Gone Status Code

Monday, December 14th, 2015

How to Force Apache To Show a HTTP-410 Gone Status Code

I removed www.example.com/foo/file.html from my domain. But, it is still being crawled by Google/Yahoo and many other bots. How do I return a HTTP-410 gone error i.e. tell these bots that resource permanently does not exist using Apache HTTPD server on a CentOS/RHEL/Fedora/Ubuntu/Debian and Unix-like operating system?
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How to install Composer on Debian / Ubuntu Linux

Monday, December 14th, 2015

How to install Composer on Debian / Ubuntu Linux

I‘m trying to upgrade my Mediawiki installation and I’m getting an error that read as follows:
    Error: your composer.lock file is not up to date, run “composer update” to install newer dependencies How do I install composer command for my PHP installation on Debian or Ubuntu Linux running LAMP or LEMP stack? How do I Install and use Composer on running Ubuntu Linux server and fix this problem for mediawiki installation and/or manage and install PHP packages and dependencies for my project?
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Fedora Linux – How to Use dnf Command With A Proxy Server

Friday, December 11th, 2015

Fedora Linux – How to Use dnf Command With A Proxy Server

My Fedora Linux 23 workstation based laptop can only be accessed through our corporate proxy servers. How do I access and use dnf command with a web proxy server on a Fedora Linux? How do I configure dnf to use a proxy server only?
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How to find out AES-NI (Advanced Encryption) Enabled on Linux System

Friday, December 11th, 2015

How to find out AES-NI (Advanced Encryption) Enabled on Linux System

The Intel Advanced Encryption Standard (AES) or New Instructions (AES-NI) engine enables extremely fast hardware encryption and decryption for openssl, ssh, vpn, Linux/Unix/OSX full disk encryption and more. How do I check support for Intel or AMD AES-NI is loaded in my running Linux in my Linux based system including openssl?
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Linux / Unix Desktop Fun: Christmas Tree For Your Terminal

Tuesday, December 8th, 2015

Linux / Unix Desktop Fun: Christmas Tree For Your Terminal
Let us create Linux or Unix console Christmas tree just for fun and profit. First, you need to install a Perl module called Acme::POE::Tree. It is an animated Christmas tree module. I’ve tested this on Linux, OS X and Unix-like system.

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