今天做lvs+keepalived+mysql项目实施方案,在配置lvs+keepalived时都是ok的,但是就只加入第一台realserver.本人也感到很奇怪,lvs+keepalived本人也在实验环境下做过很多次了,但是还是出问题了,后来对比配置文件终于发现问题所在. 问题前: [root@lvsA keepalived]# ipvsadm -Ln IP Virtual Server version (size=) Prot LocalAddress:Port Scheduler Fl
http://blog.sina.com.cn/s/blog_988ec60801017iy3.html 一 在commond env_nand.c: In function 'saveenv': env_nand.c:196: error: stray '#' in program env_nand.c:196: error: expected ')' before 'define' env_nand.c:196: error: too few arguments to function
如果有两个会话,每个会话都持有另一个会话想要的资源,此时就会发生死锁.用下面实验来说明死锁的产生原因和解决办法.SESSION1:SQL> create table t2 as select * from emp;SQL> select * from t2 where empno=7369; EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO---------- ---
解决安装了maven插件的myeclipse每次开启报错 The Maven Integration requires that Eclipse be running in a JDK, because a number of Maven core plugins are using jars from the JDK. Please make sure the -vm option in eclipse.ini is pointing to a JDK and verify that Inst
(注意: 本人用的版本为hadoop2.2.0, 旧的版本和此版本的解决方法不同) 异常为: 9 (storage id DS-2102177634-172.16.102.203-50010-1384415799536) service to cluster1/172.16.102.201:9000 java.io.IOException: Incompatible clusterIDs in /home/grid/hadoop-2.2.0-src/hadoop-dist/target/hado
Failed to issue method call: Unit mysql.service failed to load: No such file or directory解决的方式 作者:chszs.转载需注明.博客主页:http://blog.csdn.net/chszs 1.软件环境: OpenSUSE 13.1 x64 MySQL 5.6.20 x64 2.採用RPM包安装MySQL 5.6.20 # rpm -ivh MySQL-server-5.6.20-1.sles11.x8
参考了 https://blog.csdn.net/nklinsirui/article/details/80855415 最近在调研 kubeneter ,准备把线上的服务器架构再调整下,然后模拟各种极端环境,就遇到了重启后启来不 kubectl get pods --all-namespaces 显示: The connection to the server was refused - did you specify the right host or port? [root@k8s-no