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zabbix agent protocol说明

zabbix agent/3.0Contents1 Zabbix agent protocol1.1 Active agents1.1.1 Items to be monitored exist1.1.2 No active items1.1.3 Host does not exist1.1.4 Host not monitored1.1.5 Meta information...

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Zabbix 日志文件监控(官网原文)

Log file monitoringOverviewZabbix can be used for centralized monitoring and analysis of log files with/without log rotation support. Notifications can be used to warn users when a log file contains...

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Centos6.5 源码编译安装zabbix3.2,对接oralce11g数据库

Centos6 源码编译安装zabbix3.2,对接oralce11g数据库Centos6 源码编译安装zabbix3.2,对接oralce11g数据库由于mysql用时间长了,性能会下降,所以需要对接oracle数据库。具体环境如下:30台服务器主机:RHEL6+JDK1.7+java程序。4台服务器主机: RHEL6+JDK1.7+weblogic10.32台主机安装数据库:...

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zabbix3.2添加日志文件监控

之前安装好 zabbix3.2与oracle,具体详见:http://www.92cto.com/blog/1953.html需要添加服务器的应用服务的日志监控与系统登陆信息监控,这里就作一个简单的例子。在zabbix上配置监控主机后,添加监控项目:监控日志key首先要了解key,log[ file...

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How To: Network / TCP / UDP Tuning

How To: Network / TCP / UDP TuningThis is a very basic step by step description of how to improve the performancenetworking (TCP & UDP) on Linux 2.4+ for high-bandwidth applications. These settings...

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Changing Network Kernel Settings

10.2. Changing Network Kernel SettingsOracle now uses User Datagram Protocol (UDP) as the default protocol on Linux for interprocess communication, such as cache fusion buffer transfers between the...

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12170问题引起的Oracle无法登陆问题解决办法

 服务器每隔一段时间后就出现无法登陆的问题。重启数据库后,问题解决,但这并不是长久之计。查看日志文件:D:\app\administrator\diag\rdbms\hzdb\hzdb\alert的alert.log,出现大量的重复错误信息,如下所示:Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=172.16.206.83)(PORT=2067))...

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SQL与Oracle 数据库的JDBC URL格式

Microsoft SQL Server 数据库的 JDBC URL 格式对于 Microsoft SQL Server 数据库,可以使用以下示例 JDBC URL 作为模型:■    按主机名连接到默认的(未命名的)SQL Server 实例:jdbc:sqlserver://host;databaseName=database■...

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ISCSI重启或挂载后LV无设备或系统找不到分区解决方法。

ISCSI重启或断网假死,挂载后LV无设备或系统找不到分区解决方法。Centos6主机采用ISCSI+LVM+XFS分区来保存数据。 ISCSI存储或客户端出现断网或ISCSI程序假死,出现这种情况后,为保证数据不出意外损失。先关闭使用存储的运行程序,然后将XFS的分区取消挂载。#:  umount /data然后将ISCSI取消登陆。#:  iscsiadm -m node...

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inbound connection timed out (ORA-3136) 错误解决

最近一台新上线的Oracle 数据库在警告日志文件中(alert.log)持续出现如下错误:Tue Jul 18 23:09:22 2006WARNING: inbound connection timed out (ORA-3136)Tue Jul 18 23:09:23 2006WARNING: inbound connection timed out (ORA-3136)Tue Jul 18...

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cacti图形数据RRD保存精度为5分钟

Cacti主要使用了rrdtool这个工具来绘图,所以看上去比zabbix的好看,其实cacti只是个构造比较合理的框架。rrdtool 有一套自己的数据文件,供其绘图使用,cacti 主要使用了,rrdtool create, rrdtool graph, rrdtool update...

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Nginx配置文件nginx.conf中文详解

Nginx配置文件主要分成四部分:main(全局设置)、server(主机设置)、upstream(上游服务器设置,主要为反向代理、负载均衡相关配置)和 location(URL匹配特定位置后的设置),每部分包含若干个指令。...

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安装CentOS 6.6出现Disk sda contains BIOS RAID metadata

安装CentOS 6.6出现Disk sda contains BIOS RAID metadata 今天在安装CentOS 6.6的时候,当进到检测硬盘步骤的时候,总是过不去,报错如下:Disk sda contains BIOS RAID metadata, but is not part of any recognized BIOS RAID sets. Ignoring disk...

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设置Linux可以查看历史命令的执行时间与保存命令行数

大家都知道Linux平台上,可以通过history命令查看最近所执行过的命令,但history命令默认所显示的只有编号和命令的,只知道命令是最近所执行的,但不知具体执行的日期、时、分、秒,有时给寻找证据带来不便,例如如下显示情况:352  exit353  history354  vi /etc/profile355...

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Active Session History (ASH) performed an emergency flush

Active Session History (ASH) performed an emergency flush 告警日志信息 Tue Sep 15 14:29:27 2015 Active Session History (ASH) performed an emergency flush. This may mean that ASH is undersized. If emergency...

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Install GFS2 in CentOS 6.5

Install GFS2 In CentOS 6.5 In computing, the Global File System 2 or GFS2 is a shared disk file system for Linux computer clusters. GFS2 differs from distributed file systems (such as AFS, Coda,...

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How to upgrade or update kernel of the CentOS to Latest stable Kernel

How to upgrade or update kernel of the CentOS to Latest stable KernelThe kernel is the core of the operating system, and runs the CPU, manages system memory, controls access to disk drives, and...

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Configuring A High Availability Apache Cluster With Pacemaker On CentOS 7

Configuring A High Availability Apache Cluster With Pacemaker On CentOS 7 Hello everyone.Today we will learn how we can setup & configure Pacemaker on two CentOS 7 Linux servers for high...

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Create Network Bonding On CentOS 7/6.5

Linux Basics: Create Network Bonding On CentOS 7/6.5 What is Network bonding? Network bonding is a method of combining (joining) two or more network interfaces together into a single interface. It...

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Install Oracle Database 12c On CentOS7

Install Oracle Database 12c On CentOS7 In this tutorial, we will show you how to Install Oracle Database 12c On CentOS 7OS information:[root@ora-c7 ~]# cat   /etc/centos-release CentOS Linux release...

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