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PSA: Intel Atom C2000 Chips Flaw Bricking Routers/NAS/Firewall devices that are powered by Linux, pfSense and FreeNAS

Intel’s Atom C2000 chips are bricking products, and it’s not just Cisco hit. From the theregister: Intel’s Atom C2000 processor family has a fault that effectively bricks devices, costing the company a significant amount of money to correct. But the semiconductor giant won’t disclose precisely how many chips are affected nor which products are at […]

By admin | linux tutorials
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Feb
07

How to use CoreFreq CPU monitoring software on Linux

Recently I came across an excellent software called CoreFreq. It is a CPU monitoring software designed for 64-bits Processors w/ architectures Intel Atom, Core2, Nehalem, SandyBridge and superior, and AMD Family 0F. It runs on 64 bit Linux system. CoreFreq provides a framework to retrieve CPU data with a high degree of precision: Core frequencies […]

By admin | linux tutorials
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Feb
07

8 PostgreSQL Examples to Install, Create DB & Table, Insert & Select Records

Tweet PostgreSQL is an enterprise level open source database. This is one of the most reliable, robust, feature-rich, and powerful relational database system. Most importantly, PostgreSQL is well known for its ability to handle heavy load, and deliver high performance. This supports pretty much all the features that you would ever need from a RDBMS […]

By admin | linux tutorials
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Tip: How to start OpenVPN server when systemd based service start to refuse on boot

For some weird reason, I can not get my OpenVPN server to come up at boot time using systemd on an Ubuntu Linux 16.04 LTS server. I have tried a few settings but failed so far. So I twitted about it: Dear Systemd, AT LEAST TELL ME WHAT THE FUCKING ERROR IS!!!#linux #sysadmin #systemd #ubuntu […]

By admin | linux tutorials
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Feb
04

9 Awesome Open Source Web Performance Software For Linux and Unix-like Systems

Web performance is nothing but the speed in which web pages are downloaded and displayed on the user’s web browser. Faster website speeds have been shown to increase sales or increase visitor loyalty including user satisfaction. Particularly useful for those use slow internet connections or on mobile phones/tablets. You can increase the speed of page […]

By admin | linux tutorials
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Feb
03

How to SSH to AWS EC2 Instance from PuTTY using PEM Key Pair

Tweet In AWS, when you launch any EC2 Linux instance, you should select a key pair for that particular instance. AWS key pair will be in the standard private key format with .pem file extension But if you are using PuTTY on your Windows laptop to login to AWS instance, you have a problem. PuTTY […]

By admin | linux tutorials
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Jan
31

8 Steps to Install MirthConnect with MySQL / MariaDB on Linux

Tweet Mirth Connect is an Open Source Integration Engine that is primarily used in the Health Care domain. This support various health care standards (HL7, XML, EDI/X12, DICOM etc) that will help enterprise to integrate different systems, and let them talk to each other in a common language. MirthConnect interface engine also supports various standard […]

By admin | linux tutorials
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Dear all

Do you find my tutorials and nixcraft ( https://www.cyberciti.biz/ ) site useful? Please consider supporting it especially if you use ad-blocker. It is hard to keep the site running when so many people block ads. nixCraft is a single man indie operation and online since 2002. I had started this site for sharing my knowledge […]

By admin | linux tutorials
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