Using NGINX Plus for Backend Upgrades with Zero Downtime, Part 2 – Individual Servers

2016-06-22 KENNETH 0

Using NGINX Plus for Backend Upgrades with Zero Downtime, Part 2 – Individual Servers This is the second of three articles in our series about using NGINX Plus to upgrade backend servers with zero downtime. In the first article, we describe the two NGINX Plus features you can use for backend upgrades with zero downtime – the on-the-fly reconfiguration API and application health checks – and discuss the advantages of each method. In this second article, we explore use cases around upgrading the software or hardware on an individual server, which is one of the most common reasons to take servers offline. We could just take the server offline with no preparation, but that kills all the current client connections, making for a bad user experience. What we want is to stop sending any new requests or connections to the server, while letting it finish off any outstanding work. Then [ more… ]

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Using NGINX Plus for Backend Upgrades with Zero Downtime, Part 1 – Overview

2016-06-22 KENNETH 0

Using NGINX Plus for Backend Upgrades with Zero Downtime, Part 1 – Overview Upgrading backend servers in a production environment can be a challenge for your operations or DevOps team, whether they are dealing with an individual server or upgrading an application by moving to a new set of servers. Putting upstream servers behind NGINX Plus can make the upgrade process much more manageable while also eliminating or greatly lessening downtime. In a three-part series of articles, we’ll focus on NGINX Plus – with a number of features above and beyond those in the open source NGINX software, it’s a more comprehensive and controllable solution for upgrades with zero downtime. This first article describes the two NGINX Plus features you can use for backend upgrades – the on-the-fly reconfiguration API and health checks – in detail and compares them to upgrading with the open source NGINX software. The related articles explain how [ more… ]

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RHSA-2016:1267-1: Important: setroubleshoot and setroubleshoot-plugins security update

2016-06-22 KENNETH 0

RHSA-2016:1267-1: Important: setroubleshoot and setroubleshoot-plugins security update Red Hat Enterprise Linux: An update for setroubleshoot and setroubleshoot-plugins is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. 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-2016-4444, CVE-2016-4445, CVE-2016-4446, CVE-2016-4989 Source: RHSA-2016:1267-1: Important: setroubleshoot and setroubleshoot-plugins security update

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RHBA-2016:1266-1: tzdata bug fix update

2016-06-22 KENNETH 0

RHBA-2016:1266-1: tzdata bug fix update Red Hat Enterprise Linux: Updated tzdata packages that add various enhancements are now available for Red Hat Enterprise Linux 4 Extended Life Cycle Support, Red Hat Enterprise Linux 5.6 Long Life, Red Hat Enterprise Linux 5.9 Advanced Update Support, Red Hat Enterprise Linux 5.11, Red Hat Enterprise Linux 6.2 Advanced Update Support, Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, Red Hat Enterprise Linux 6.6 Extended Update Support, Red Hat Enterprise Linux 6.7, Red Hat Enterprise Linux 7.1 Extended Update Support, Red Hat Enterprise Linux 7.1 Little Endian Extended Update Support, and Red Hat Enterprise Linux 7.2. Source: RHBA-2016:1266-1: tzdata bug fix update

[도서] 엑셀 2016 기본+회사실무 무작정 따라하기

2016-06-22 KENNETH 0

[도서] 엑셀 2016 기본+회사실무 무작정 따라하기 분야별 신상품 – 국내도서 – 컴퓨터와 인터넷 [도서]엑셀 2016 기본+회사실무 무작정 따라하기 김철 저 | 길벗 | 2016년 06월 판매가 16,200원 (10%할인) | YES포인트 900원(5%지급) 이벤트 : 예약하고 빨리 받자! IT 도서 예약판매 알림 20년 이상 독자에게 인정받은 길벗만의 노하우를 바탕으로 엑셀 기본기를 탄탄하게 다져주는 필수 기능부터 업무 효율을 높여주는 실무예제까지 알짜 기능만 확실하게 알려 준다. 엑셀의 시작, 환경 설정과 업무 시 Source: [도서] 엑셀 2016 기본+회사실무 무작정 따라하기