1.hadoop3: mkdir: cannot create directory `/usr/local/hadoop/bin/../logs': Permission denied把所有Datanode节点执行下面命令[hadoop@hadoop3 local]$ chown -R  hadoop:hadoop  hadoop-0.20.2/…

启动hadoop时,报错“mkdir: cannot create directory ‘/soft/hadoop-2.7.3/logs’: Permission denied” 注:/soft/hadoop-2.7.3为hadoop的安装目录,具体目录因人而异 原因:/soft目录的用户权限为root,需要修改为centos用户权限 注:centos为本机的用户名,具体用户名因人而异 解决办法: 1.切换到root用户 su root 2.递归修改/soft目录的用户权限 chown -R c…

gocode是go语言代码自动提示工具 安装时进入src目录执行:go get -u github.com/nsf/gocode 出现: github.com/nsf/gocode (download) github.com/nsf/gocode go install github.com/nsf/gocode: open /usr/local/go/bin/gocode: permission denied 可以用sudo来执行或者手动创建目录sudo mkdir /usr/local/go/…

前言 最近深度学习Ultra-Fast-Lane-Detection/INSTALL.md at master · cfzd/Ultra-Fast-Lane-Detection (github.com)需要安装opencv c++,于是准备安装.于是按照OpenCV: Installation in Linux官网一顿操作,好像是成功了.但是在安装成功,进行软链接的时候 # First you need to install OpenCV C++. # After installation, m…

解决方法: <property> <name>hadoop.tmp.dir</name> <value>/usr/local/hadoop/tmp</value> </property> 改成如下: <property> <name>hadoop.tmp.dir</name> <value>/usr/local/hadoop/tmp/hadoop-${user.name}</val…

今天在hdfs上面创建文件夹的时候报了:org.apache.hadoop.dfs.SafeModeException: Cannot delete /user/hadoop/input. Name node is in safe mode 据资料是说hdfs刚刚启动,还在验证和适配,所以进入安全模式,等一会儿就好了,然后我等了几分钟并没有好..(惊了) 然后找到了解决安全模式的办法: 用户可以通过dfsadmin -safemode value   来操作安全模式,参数value的说明如下:…

刚刚在hadoop想创建一个目录的时候,发现报错了 具体信息如下: [hadoop@mini1 hadoop-2.6.4]$ hadoop fs -mkdir /file mkdir: Cannot create directory /file. Name node is in safe mode. 从错误信息可以看到hadoop当前的namenode是处于安全模式. 解决: [hadoop@mini1 hadoop-2.6.4]$ hadoop dfsadmin -safemode leave…

问题:使用docker启动容器时,报错如下 zh@debian:~/testPath$ docker-compose up redis Starting testpath_redis_1 ... done Attaching to testpath_redis_1 redis_1 | redis_1 | Welcome to the Bitnami redis container redis_1 | Subscribe to project updates by watching https:/…

执行 npm install socket.io安装时报错: [root@WEB node_modules]# npm install socket.ionpm WARN enoent ENOENT: no such file or directory, open '/usr/local/nodejs/bin/package.json' npm WARN bin No description npm WARN bin No repository field. npm WARN bin No RE…

[root@test153 ~]# /usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql_data1 /usr/local/mysql/bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such fi…

1 异常信息 /Users/zhangjin/.bash_profile:source:: no such file or directory: /usr/local/Cellar/nvm//nvm.sh 2 因为自己的/etc/profile有不存在的配置,注释掉即可…

因业务需要安装7.4高版本gcc时报错: configure: error: in `/usr/local/src/gcc-7.4.0/build/gcc': configure: error: C++ preprocessor "/lib/cpp" fails sanity checkSee `config.log' for more details. make[3]: Leaving directory `/usr/local/src/gcc-7.4.0/build/gcc' ma…

cp /php-7.1.22/ext/openssl/config0.m4 /usr/local/php/bin/config.m4…

报错(如下),但是使用mysqld直接启动没有问题. 150718 00:03:38 mysqld_safe Logging to '/var/log/mysqld.log'. 150718 00:03:38 mysqld_safe The file /usr/local/mysql/bin/mysqld does not exist or is not executable. Please cd to the mysql installation directory and restart t…

centos7.5 安装mysql数据库报错 问题: [root@db04-54 scripts]# /etc/init.d/mysqld start /etc/init.d/mysqld: line 244: my_print_defaults: command not found /etc/init.d/mysqld: line 264: cd: /usr/local/mysql: No such file or directory Starting MySQL ERROR! Couldn'…

安装mysql在初始化的时候,出现/usr/local/mysql/bin/mysqld:error while loading shared libraries:libaio.so.1 :cannot open shared object file:NO such file or directory 解决方法: <P>type the following</P> <P>apt-get install libaio1 libaio-dev</P> <P…

mysqldumpslow报错:Died at /usr/local/mysql/bin/mysqldumpslow line 161, <> chunk 236. 总结:是由于top数目太多了.mysqldumpslow遍历只是来的缘故. /usr/local/mysql/bin/mysqldumpslow -s -t 15 /root/db01-102-slow.log 1.把r去掉试试,还是报错,參数不识别. [root@slave ]# /usr/local/mysql/bin/mys…

初始化MySQL数据库提示以下信息: # /usr/local/mysql/scripts/mysql_install_db \ > --defaults-file=/etc/my.cnf \ > --basedir=/usr/local/mysql \ > --datadir=/var/mysql/data \ > --user=mysql WARNING: The host 'r6' could not be looked up with /usr/local/mysql/bi…

错误如下: [root@RSP-DEVWEB03 bin]#sh startup.sh Cannot find /usr/local/tomcat8081/bin/setclasspath.sh This file is needed to run this program 执行语句: [root@RSP-DEVWEB03 bin]#unset CATALINA_HOME2 [root@RSP-DEVWEB03 bin]#unset CATALINA_BASE2 即可解决错误.…

在linux启动startup命令报Cannot find /usr/local/tomcat/bin/setclasspath.sh  使用: unset CATALINA_HOME命令得以解决   再次启动即可,问题解决…

/usr/local/mysql/bin/mysqlbinlog -vv /var/lib/bin/mysql-bin.000008 --base64-output=DECODE-ROWS  --start-pos=307 问题:这个究竟是什么意思 [root@ma mysql]# /usr/local/mysql/bin/mysqlbinlog -vv /var/lib/bin/mysql-bin.000008 --base64-output=DECODE-ROWS --start-pos=3…

[root@test]# export PATH=$PATH:/usr/local/mysql/bin[root@test]# echo $PATH/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/mysql/bi…

nohup和&后台运行,进程查看及终止   &后台运行 登出ssh终端,进程会被自动kill掉 但是nohup >>XX.log 2>&1 & 登出终端 进程不会被自动kill掉! 阅读目录 nohup和&后台运行,进程查看及终止 1.nohup 2.& 3.nohup和&的区别 &:是指在后台运行,当用户退出(挂起)的时候,命令自动跟着结束 nohup:不挂断的运行,注意并没有后台运行的功能,就是指用nohup运行命令可以…

首先看下报错代码: Cannot find /usr/local/tomcat1/bin/setclasspath.sh This file is needed to run this program 这个可能是没有在 /etc/profile 中配置环境,这是第一种可能:如果是这种情况的话,可以这样做: vi /etc/profile 并在文件末尾加上 export CATALINA_HOME=/usr/local/tomcat export CATALINA_BASE=/usr/local/…

进行如下更改:vim /usr/local/hadoop/etc/hadoop/hdfs-site.xml[我的hadoop目录在/usr/local下,具体的是修改你的hadoop目录中的/etc/hadoop/hdfs-site.xml]添加一个property:<property>      <name>dfs.permissions</name>      <value>false</value></property> 然后重…

在window上编程提示没有写Hadoop的权限 Exception in thread "main" org.apache.hadoop.security.AccessControlException: Permission denied: user=Mypc, access=WRITE, inode="/":fan:supergroup:drwxr-xr-x 曾经踩过的坑: 保存结果到hdfs上没有写的权限* 通过修改权限将文件写入到指定的目录下* * $HAD…

1:初学hadoop遇到各种错误,这里贴一下,方便以后脑补吧,报错如下: 主要是在window环境下面搞hadoop,而hadoop部署在linux操作系统上面:出现这个错误是权限的问题,操作hadoop是虚拟机的主机用户不是window的主机用户Administrator,所以出现下面的错误,解决办法如下所示(或者修改文件的权限,即所有者都可以进行可读,可写,可执行): log4j:WARN No appenders could be found for logger (org.apache.…

保存文件时权限被拒绝 曾经踩过的坑: 保存结果到hdfs上没有写的权限 通过修改权限将文件写入到指定的目录下 * * * $HADOOP_HOME/bin/hdfs dfs -chmod 777 /user * * * Exception in thread "main" org.apache.hadoop.security.AccessControlException: * Permission denied: user=Mypc, access=WRITE, * inode=&qu…

报错背景: CDH集成了Flume服务,准备通过Flume将kafka中的数据放到HDFS中, 启动Flume的时候报错. 报错现象: // :: INFO hdfs.HDFSDataStream: Serializer = TEXT, UseRawLocalFileSystem = false // :: INFO hdfs.BucketWriter: Creating hdfs://master:8020/yk/dl/alarm_his/AlarmHis.1557281724769.txt.…

异常: org.apache.hadoop.security.AccessControlException: Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthoriza…