Severity Rating: ImportantRevision Note: V1.0 (January 12, 2016): Bulletin published.Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker is able to log on to a target system and run a specially crafted application. Source: ms-security
NGINX and NGINX Plus are commonly used to enhance performance and fault tolerance by acting as a load balancer for many application servers, including Apache TomcatTM. To help customers get the most out of their Tomcat deployments, NGINX, Inc. has published a new deployment guide, Using NGINX and NGINX Plus to Load Balance Apache Tomcat Servers. This guide details how NGINX and NGINX Plus can be utilized as a load balancer and application delivery controller for Apache Tomcat application servers. Why NGINX and NGINX Plus? Many Apache Tomcat deployments use the Apache HTTP Server for application delivery, as specified in the Tomcat installation instructions. Apache HTTP Server’s thread-per-connection architecture delivers acceptable performance under low to medium load, but under heavy load the limitations of the architecture begin to surface. In one common scenario, the thread pool becomes exhausted when there is a large [ more… ]
Ubuntu Security Notice USN-2860-1 11th January, 2016 oxide-qt vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Ubuntu 15.04 Ubuntu 14.04 LTS Summary Several security issues were fixed in Oxide. Software description oxide-qt – Web browser engine library for Qt (QML plugin) Details A race condition was discovered in the MutationObserver implementation inBlink. If a user were tricked in to opening a specially crafted website,an attacker could potentially exploit this to cause a denial of servicevia renderer crash, or execute arbitrary code with the privileges of thesandboxed render process. (CVE-2015-6789) An issue was discovered with the page serializer in Blink. If a user weretricked in to opening a specially crafted website, an attacker couldpotentially exploit this to inject arbitrary script or HTML.(CVE-2015-6790) Multiple security issues were discovered in Chromium. If a user weretricked in to [ more… ]
RHN Satellite and Proxy: Updated cobbler and spacewalk-java packages that fix several bugs are now available for Red Hat Satellite 5.7. Source: rhn-errata
출처 : http://meetup.cloud.toast.com/posts/57 본 내용은 NHN엔터테인먼트의 김성훈 님께서 작성하신 내용 입니다. 안녕하세요. NHN엔터테인먼트 김성훈 입니다. 저번에 썼던 글을 잊어버리기 전에 올리자! 라는 생각에 부랴부랴 올립니다. (이전글을 보고 싶으신 분들은 연재목차 를 참고 부탁드립니다.) 이번에는 MySQL 5.7 의 JSON 지원과 Native Partition 지원 같은 신규 기능에 대해서 알아보려고 합니다. 1. 복제 기능 향상 저는 다른 것 다 빼고, MSR(Mulit-Source Replication) 이 된다는것에 엄청나게 흥분했어요. DBA에게는 정말 중요한 기능이거든요. 이게 왜 중요 하나구요? 예를들어볼께요. 어떤 게임이 공통DB, 게임DB, 로그DB로 구성되어 있고 게임/로그DB는 여러개로 샤딩(Sharding)되어 물리적으로 다른 장비에서 서비스 해요. 그런데, 어떤 지표를 보기 위해서 모든 DB에서 한방에 쿼리를 해서 join 을 걸어야 한다면. 예전에는 batch 작업으로 특정시점에 데이터를 모두 퍼다가, 커다란 장비에 복원해야 했어요. 엄청 오래걸리고 까다롭죠. MySQL 은 복원이 특히 오래걸리거든요. 그런데, MSR이 되면? 그냥 디스크가 커다란 장비하나를 두고 모든 DB의 slave 로 붙여버리면 돼요. 그외에도 여러가지 기능향상이 있었는데. 이건 DBA [ more… ]
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