关于 systemctl --user enable mpd 报错: Failed to connect to bus: No such file or directory 因为arch脚本中,systemctl 是 sudo systemctl 的别名,因此需要加斜杠转义.类似的命令如 \cp \systemctl --user enable mpd…

在centos7 执行防火墙命令时 service iptables status 报错如下: 解决方案 : 1.systemctl start firewalld.service(开启防火墙) 2.systemctl stop firewalld.service(关闭防火墙) 3.service firewalld restart(从启防火墙) 4.firewall-cmd --zone=public --add-port=4400-4600/udp --permanen(指定端口范围为440…

看了许多解决方案,但是对于新手来说并不友好,不是特别清楚 报错内容: System has not been booted with systemd as init system (PID 1). Can't operate.       Failed to connect to bus: Host is down 解决方法: docker run -itd   --privileged --name myCentos centos /usr/sbin/init 创建完成后: 请使用以下命令进入…

debug系列第一弹,不知道大家写程序的时候是不是都遇到过如题的报错. 我本人是经常遇到这行熟悉的令人不知所措的报错,可能是我太笨了 有时候百度无果也差不到原因,那就汇总一下目前我遇到的情况吧--持续更新 出现后这个报错信息,大体一看找不到问题,第一类建议: 1.可以把重启Dev C++ 2.新建一个源代码将代码复制粘贴再运行试试 (虽然听起来很离谱,但是我真的出现过,记得很清楚就是,在这个文件怎么改都这个报错,新建一个copy过去就正常运行) 3.文件名改成英文,不要使用中文,也就是说,保证这…

By default, Linux only allocates 8192 watches for inotify, which is ridiculously low. And when it runs out, the error is also No space left on device, which may be confusing if you aren't explicitly looking for this issue. vi /etc/sysctl.conf  增加  fs…

报错背景: 创建完成sqoop2的一个job,主要功能是将数据从hdfs存到mysql数据库中. 执行job的时候发生报错. 报错现象: sqoop:> start job -j -s Submission details Job ID: Server URL: http://localhost:12000/sqoop/ Created by: root Creation -- :: CST Lastly updated by: root External ID: job_15596334078…

启动docker   $ sudo systemctl start docker 报错. 查看状态: $ systemctl status docker.service -l 加 -l 有的行信息很长,打印的时候会省略,加此参数则全部显示.     报错信息: Error starting daemon: SELinux is not supported with the overlay2 graph driver on this kernel. Either boot into a newer…

// :: FATAL namenode.NameNode: Failed to start namenode. org.apache.hadoop.hdfs.qjournal.client.QuorumException: Unable to check successful responses: : false exceptions thrown: : No Route to Host failed on socket timeout exception: java.net.NoRouteT…

zookeeper启动时正常,查看状态时出错 处理,通过 ./zkServer.sh status 报错Error contacting service. It is probably not running. ./zkServer.sh start-foreground 发现是jdk环境变量出错./zkServer.sh: line 149: /usr/java/jdk1.7.0.67-cloudera/bin/java: 没有那个文件或目录 处理设置环境变量 vim /etc/profile…

执行 systemctl start docker 报错 Failed to start docker.service: Unit docker.service is masked. 解决 systemctl unmask docker.service systemctl unmask docker.socket systemctl start docker.service…