Articles by KENNETH

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[mysql] Buffered warning: Could not increase number of max_open_files to more than 1024 on centos

2016-09-07 KENNETH 0

OS : CentOS7 MySQL : install rpm package from mysql official repository 1. mysql error log [Warning] Buffered warning: Could not increase number of max_open_files to more than 1024 (request: 16384) [Warning] Buffered warning: Changed limits: max_connections: 214 (requested 3000) [Warning] Buffered warning: Changed limits: table_cache: 400 (requested 2048) 2. modify service file file path : /usr/lib/systemd/system/mysqld.service add LimitNOFILE=163840 LimitNPROC=163840 3. reload # systemctl daemon-reload for this error message… Warning: mysqld.service changed on disk. Run ’systemctl daemon-reload’ to reload units. 4. Restart mysql # service mysqld restart

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RHSA-2016:1821-1: Moderate: rh-postgresql95-postgresql security update

2016-09-07 KENNETH 0

RHSA-2016:1821-1: Moderate: rh-postgresql95-postgresql security update Red Hat Enterprise Linux: An update for rh-postgresql95-postgresql is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. CVE-2016-5423, CVE-2016-5424 Source: RHSA-2016:1821-1: Moderate: rh-postgresql95-postgresql security update

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RHSA-2016:1820-1: Moderate: postgresql92-postgresql security update

2016-09-07 KENNETH 0

RHSA-2016:1820-1: Moderate: postgresql92-postgresql security update Red Hat Enterprise Linux: An update for postgresql92-postgresql is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. CVE-2016-5423, CVE-2016-5424 Source: RHSA-2016:1820-1: Moderate: postgresql92-postgresql security update

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Announcing the NGINX Plus on the AWS Cloud Quick Start

2016-09-07 KENNETH 0

Announcing the NGINX Plus on the AWS Cloud Quick Start A complete load balancing and application deployment of NGINX Plus on AWS EC2 Today we’re pleased to announce the joint release with Amazon Web Services (AWS) of the NGINX Plus on the AWS Cloud Quick Start reference deployment, publicly available on the AWS Community Quick Starts landing page and the AWS QuickStart Github repository. The NGINX Plus on the AWS Cloud Quick Start is a turn‑key solution you can use to easily build, configure, and deploy a fully functional, highly available application environment on AWS. The Quick Start is a quick way to spin up an entire NGINX Plus load balancing and application delivery infrastructure with minimal effort. AWS Quick Start reference deployments are automated solutions that use CloudFormation templates to launch, configure, and run the AWS services – such as compute, network, and storage – you need to deploy specific workloads on AWS. They [ more… ]

Windows 10 IoT Core Blockly

2016-09-07 KENNETH 0

Windows 10 IoT Core Blockly In this blog post you’ll learn about IoT Core Blockly, a new UWP application that allows you to program a Raspberry Pi 2 or 3 and a Raspberry Pi Sense Hat using a “block” editor from your browser: You create a program with interlocking blocks, which will run on the Raspberry Pi. For example, you can control the LED matrix on the Sense Hat and react to the inputs (buttons, sensors like temperature, humidity, etc.). IoT Core Blockly was inspired by these other super interesting projects: BBC micro:bit and the block editor (check out io as well) Google Blockly open source block editor Raspberry Pi Sense Hat (and the handy C# NuGet library from EmmellSoft) Microsoft Chakra JavaScript engine In this blog post, we will show you how to set up your Raspberry Pi with [ more… ]