Hadoop 安装步骤: 0. 安装前准备(节点机器,环境设置,yum源设置) 1. 配置并安装Cloudera-Manager 2. 启动 CM 服务 3. 安装CDH,并配置集群 4. 启动 在启动Yarn时, NodeManager 启动失败.接下来查看对应的日志:Cloudera Manager 主页,点击YARN项操作,选择“实例”,点击角色类型,进入NodeManager 主页,在日志文件下拉框有stdout,stderr,角色日志文件,建议查看角色日志文件. 下面是角色日志文件…

Failed to obtain lock on file /usr/local/nagios/var/ndo2db.lock: Permission denied  : Permission denied 修改ndo2db.lock的所属组和用户对它有写的权限.…

具体错误信息:Git failed with a fatal error. error: open(".vs/xxxxxx/v15/Server/sqlite3/db.lock"): Permission denied fatal: Unable to process path .vs/xxxxxx/v15/Server/sqlite3/db.lock 原因: 因为git上传要忽略vs文件, Git因致命错误而失败.权限被拒绝 无法处理的路径. 解决方法下: 1.进入项目的目录下,点击…

不多说,直接上干货! 问题详情 查看/var/log/cloudera-scm-server.log的启动日志 问题来源 我在用cloudermanager安装好之后,然后,在对如下. 配置kerberos后,在web界面重启服务ok. 但有一个警告:Cloudera recommends at least Level 1 TLS when Kerberos is enabled for CDH clusters. 设置好上面之后,我再   vim /etc/cloudera-scm-agent…

1/1 local-dirs are bad: /var/lib/hadoop-yarn/cache/yarn/nm-local-dir; 1/1 log-dirs are bad: /var/log/hadoop-yarn/containers Node Manager logs 1 2 3 yarn.server.nodemanager.DirectoryCollection: Directory /var/lib/hadoop-yarn/cache/yarn/nm-local-dir er…

问题来源:在删除var目录下的log文件时,将redis文件夹删除了.然后在重启时:/etc/init.d/redis-server start,提示: Starting redis-server: *** FATAL CONFIG FILE ERROR *** Reading the configuration file, at line 94 >>> 'logfile /var/log/redis/redis-server.log' Can't open the log file:…

问题来源:在删除var目录下的log文件时,将redis文件夹删除了.然后在重启时:/etc/init.d/redis-server start,提示: Starting redis-server: *** FATAL CONFIG FILE ERROR *** Reading the configuration file, at line 94 >>> 'logfile /var/log/redis/redis-server.log' Can't open the log file:…

在cdh集群中,删除之前的hive服务,然后将hive添加到其他节点,然后再通过hive客户端连接hive报错: Caused by: ERROR XJ041: Failed to create database '/var/lib/hive/metastore/metastore_db', see the next exception for details. at org.apache.derby.iapi.error.StandardException.newException(Unkno…

发现:ERROR: The partition with /var/lib/mysql is too full! failed! 然后df -h 发现硬盘100%   于是分析到底什么占用了这近两百G的硬盘,结果发现是数据库的备份文件日积月累,占满了这近两百G的硬盘. 然后 cd /varrm -rf log也就是删除日志文件,然后重启mysql/etc/init.d/mysql start结果我的mysql还是启动不了. 于是删除一部分的备份文件,保留最近的一些,然后重启mysql.结果还是报…

越狱之后抹掉所有数据,然后再使用 doubleH3lix 越狱成功后,打开 Cydia 会提示如下错误: flAbsPath on /var/lib/dpkg/status failed - realpath (2: No such file or directory) Could not open file - open(2: No such file or directory) Problem opening   解决方法分七个步骤,方法如下: (1)下载 CydiaImpactor.Mob…