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Hadoop之——Linux下sudo命令报错:hadoop is not in the sudoers file. This incident will be reported.

转载请注明出处:https://blog.csdn.net/l1028386804/article/details/93380235当在终端执行sudo命令时,系统提示“cuser is not in the sudoers file”:具体报错信息为:-bash-4.1$ sudo vim /etc/profileWe trust you have received the u...

Metasploit实战一之——使用OpenVAS进行漏洞扫描

转载请注明出处:https://blog.csdn.net/l1028386804/article/details/86564219攻击机: Kali 192.168.205.128靶机: Win2012 R2 192.168.205.130注:Kali中安装OpenVAS可以参考:《Kali之——OpenVAS 8.0 Vulnerability Scanning》1.在Meta...

渗透之——数据库提权

转载请注明出处:https://blog.csdn.net/l1028386804/article/details/85768994一、SQL Server提权1.启用或关闭xp_cmdshell--启用xp_cmdshellUSE masterEXEC sp_configure 'show advanced options', 1RECONFIGURE WITH OVER...

#数据库
Kali之——关闭防火墙

转载请注明出处:https://blog.csdn.net/l1028386804/article/details/83110668kali关闭iptables安装apt-get install ufw关闭ufw disable # To disable the firewall开启ufw enable # To enable the firewall ...

MongoDB之——数据备份与恢复

转载请注明出处:https://blog.csdn.net/l1028386804/article/details/80000764一、数据备份 mongodump可以用 mongodump 来做 MongoDB 的库或表级别的备份,下面举例说明:备份 my_mongodb 数据库[root@localhost bin]# ./mongodump -d my_mongodbconnected t.

Hadoop之—— WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform...

转载请注明出处:http://blog.csdn.net/l1028386804/article/details/51538611注:升级glib库解决问题请参加链接:https://blog.csdn.net/l1028386804/article/details/88420473配置完hadoop启动的时候出现如下警告信息:WARN util.NativeCodeLoad...

#hadoop
Hadoop之——CentOS + hadoop2.5.2分布式环境配置

一、基础环境准备系统:(VMWare) CentOS-6.5-x86_64-bin-DVD1.isohadoop版本:hadoop-2.5.2jdk版本:jdk-7u72-linux-x64.tar.gz1.集群机器三台测试集群,一个master(liuyazhuang-01),两个slave(liuyazhuang-02,liuyazhuang-03)/etc/hosts

#hadoop#centos#集群
Hadoop之——windows7+eclipse+hadoop2.5.2环境配置

一.hadoop集群环境配置参考我的前一篇文章(Hadoop之——CentOS + hadoop2.5.2分布式环境配置http://blog.csdn.net/l1028386804/article/details/51536051)但本人配置时还修改了如下内容(由于你的环境和我的可能不一致,可以在后面出现相关问题后再进行修改):a.在master节点上(liuyazhuan

#hadoop#eclipse#windows +1
mysql: Communications link failure解决

mysql: Communications link failure解决 使用Connector/J连接MySQL,程序运行较长时间后就会报以下错误:  Communications link failure,The last packet successfully received from the server was *** millisecond ago.The last

#mysql#数据库#服务器
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