How can I ensure only the root user have the right to halt/reboot the system?
Saturday, 26 August 2017
CentOS/RHEL/Fedora
You can disable access to these commands by removing their entries in the /etc/security/console.apps/*:
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Skylable – Open-source storage Made easy
Friday, 18 August 2017
Up and running in 1 minute! Build your own S3 and Swift compatible object-storage using commodity servers. Access your files wherever you are using desktop and mobile clients. Increase security and performance, reduce costs.
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CentOS 7 – Install LUA
Monday, 24 July 2017
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CentOS – IP FailOver Setup Using KeepAlived
Wednesday, 12 July 2017
Install Required Packages
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1 |
# yum install gcc kernel-headers kernel-devel |
Install Keepalived
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1 |
# yum install keepalived |
Configure Keepalived on first node
Keepalived configuration File: /etc/keepalived/keepalived.conf
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CENTOS / Linux – Make your server fly with Flashcache
Saturday, 27 May 2017
Flashcache at Facebook: From 2010 to 2013 and beyond
First of all, note the disk IO without SSD cache:
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