• Installing software-center on Linux-Kali

    Hi, I experienced a problem during installing software-center on Linux-kali: root@kali:~# apt-get install software-center Reading package lists... Done Building dependency tree Reading state information... Done Package software-center is not available, but is referred to by another package. This...

    moeensokkar5 pointsBadges:
  • How to sort 500 GB text file in Linux

    We have a 500 GB text file that has roughly 10 billion rows that need to be sorted in alphabetical order. What's the best way to do this? A algorithm? For now, we've been using this command: LANG=C sort -k2,2 --field-separator=',' --buffer-size=(80% RAM) --temporary-directory=/volatile BigFile And...

    ITKE356,150 pointsBadges:
  • Hadoop error when accessing application through HTML

    We have installed Hadoop on our cluster and now we're installing HTTPFS to access the HDFS content using HTTP protocol. We're able to access the normal page but when we tried to access HDFS, we're getting an error: {"RemoteException":{"message":"User: ubantu is not allowed to impersonate ubantu",...

    ITKE356,150 pointsBadges:
  • Nagios Tunnel Web Address

    When I SSH tunnel into Nagios via putty and browse through the website, the URL stays the same the whole time. It's http://localhost:8888/nagios/ no matter what I click on. Is there a way to change this so that it's more specific to what part of the site I'm on or is that just the way it is?

    csheppard5 pointsBadges:
  • Configuring virtual memory from Java in Linux

    I've been trying to run a Java application through Linux but I'm running into a few issues. When I launch the application (using the maximum heap size), the tops application of 240 MB of virtual memory is allocated to the application. It's creating several issues with different software on the...

    ITKE356,150 pointsBadges:
  • JAVA_HOME is not set correctly when installing Hadoop on Ubuntu

    I've been trying to install Hadoop on Ubuntu 11.10. I just set the JAVA_HOME variable in the file conf/hadoop-env.sh to: # export JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk Then I tried to execute these commands: $ mkdir input $ cp conf/*.xml input $ bin/hadoop jar hadoop-examples-*.jar grep input...

    ITKE356,150 pointsBadges:
  • HDFS error when testing a simple file from a Amazon EC2 machine

    I recently created an Ubuntu single node Hadoop cluster in Amazon EC2. I've tried to test a simple file upload to HDFS. It works from the EC2 machine but doesn't work outside of it. Here's the error I got: java.io.IOException: File /user/ubuntu/pies could only be replicated to 0 nodes, instead of 1...

    ITKE356,150 pointsBadges:
  • CentOS 6.5 bridge can not start automatically after restart

    I installed CentOS 6.5 and configured bond and bridge interface. Bond configuration file: DEVICE=bond4.2301 NAME=bond4.2301 BONDING_MASTER=yes IPV6INIT=no VLAN=yes ONBOOT=yes BOOTPROTO=none BRIDGE=br-ext br-ex configuration file: DEVICE=br-ext BOOTPROTO=none ONBOOT=yes TYPE=OVSBridge DEVICETYPE=ovs...

    sluszkulcs5 pointsBadges:
  • Extracting SQL query output in HTML file through UNIX script

    I have made a Unix script in which m spooling the output of a sql query in TEST>HTML file. Now I want to add colors and style tag in the output so as to make it more visually appealing.

    parnita5 pointsBadges:
  • Using crunch on the fly with hydra

    How can I use crunch in combination with hydra in kali Linux on the fly (means without saving passwordlist as textfile) like: crunch 8 8 abcdef123456789 | airchrack-ng -2 a ...

    mbrain5 pointsBadges:
  • Samba AD and PDC doesn’t work after Ubuntu server update

    I am running Ubuntu Server 14.04.1. The server uses Samba 4.4.6 to implement an Active Directory and is the primary domain controller. Each time I update the server I can no longer log into the domain. To fix the issue I reinstall samba and set up the AD and PDC again. Each of the domain clients...

    IronmanMask5 pointsBadges:
  • Why cannot I receive external mail?

    I am running Exchange 2013 on svr2013. I can send and receive mail locally, I can send externally, but I cannot receive mails from outside the company. My static IP was coming from a DIA / VPN connections provided by the telco. As per test on the analyzer, port 25 cannot be reached or not...

    ronelvic5 pointsBadges:
  • The IT Blog Top 10: Oct. 29, 2009

    10. Choosing a block size when creating VMFS datastores Eric Siebert has written a guide on how to choose the right size for VMFS datastores. 9. How to use command line arguments in VBScript via the Wscript.Arguments Object Jerry Lees explains a helpful VBScript trick. 8. Using VRDP to view...

    ITKE356,150 pointsBadges:
  • DB2 crash on production Red Hat VM server

    We had a Red Hat virtual machine (VMware vSphere) that is hosting the database for our application the application runs normaling at some point it crashes with the error below seen on db2diag: ZRC=0x840F0001=-2079391743=SQLO_ACCD "Access Denied" DIA8701C Access denied for resource "", operating...

    hamzahir80 pointsBadges:
  • What is demon in Linux?

    What is exactly mean by demon in Linux?

    krishna1234510 pointsBadges:
  • Compile a Kernel in Linux

    How do you compile a Kernel in Linux?

    krishna1234510 pointsBadges:
  • Window versus Unix?

    please advice : Window Vs Unix please tell me why unix not window  or why windows not unix

    Mohaned1st15 pointsBadges:
  • CentOS Software RAID hard disk isn’t booting

    My Centos RAID 1 newly added hard disk not booting in separate after synchronization of Data. I have created the RAID 1 device and made one of the device as failed and after that I have added the new hard disk with the machine and synchronisation went properly but the OS boots only when two hard...

    Shiva195 pointsBadges:
  • Ubuntu 14.04 – How to Change Home Directory

    Hi, I've a dual boot system, Windows 7 with Ubuntu 14.04,. There is only one user in Ubuntu and only one in Windows too. How can I point my Ubuntu user's Documents, Downloads, Pictures etc. Folders to the one on Windows 7 User's? So that whatever OS I'm in, I've the same documents / downloads /...

    practitioner5 pointsBadges:
  • Connect IP addresses to Wi-Fi using Kali Linux computer

    Is there any way I can get IP addresses connected to the same Wi-Fi I'm connected to while using a Kali Linux computer?

    MANDELA5 pointsBadges:

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