• 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...

    ITKE357,345 pointsBadges:
  • Backup a CentOS server

    We recently moved over from a dedicated server to the VPS. It's working great but we need to shut down the dedicated server and close our account. So we need to do a full backup of the server before it's shot down. It's a CentOS server to. What's the best way to go about this? Thanks.

    ITKE357,345 pointsBadges:
  • Cannot install vSphere 6 on Linux machine

    I can't get it to install on my Linux machine. What should I do?

    tester1235 pointsBadges:
  • Directories we should not include in backing up a Linux server

    My team backs up a Linux server and it's storing it on another server. Here's what we have for code: rsync -aPh --del server.example.com:/ /mnt/backup But a friend (who's on another team) says we shouldn't back up /proc because we don't want to restore the /proc on the server. Is there anything...

    ITKE357,345 pointsBadges:
  • Unix: Command to send continued signal

    What command do you use to send a continue signal to process id 846?

    tulasi6115 pointsBadges:
  • Unix programming

    When writing a shell script, how do you verify a command completes successfully?

    tulasi6115 pointsBadges:
  • SSH File Transfer Protocol – OpenSSH – AS/400 to TumbleWeed

    Hello Everyone, I need a quick clarification from all. Could you please someone reply back, based on the response will take the decision. My organization is using a Third party Application called Tumbleweed which is file server to transfer the files from AS/400 to Target Systems and receiving files...

    Nagareddi80 pointsBadges:
  • Automatically backup PostgreSQL database on Linux

    Does anyone know how to automatically backup a PostgreSQL database that's on Linux daily? Thanks so much!

    ITKE357,345 pointsBadges:
  • Segmentation fault – ifconfig

    [root@localhost yum.repos.d]# /sbin/ifconfig -a Segmentation fault (core dumped) Extract from /var/log/messagesMay 6 16:06:58 localhosts kernel: ifconfig[10054]: segfault at 8 ip 0000003738a0b453 sp 00007fffffd6a080 error 4 in ld- .12.so[3738a00000+20000] May 6 16:06:58 localhosts abrt[10055]: Not...

    McCrutch5 pointsBadges:
  • Error when configuring Hadoop on CentOS

    I've been configuring Hadoop on one of our servers that's running CentOS. When I run start-dfs.sh, I keep getting this error: WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable So I'm not sure what to do here. Has anyone...

    ITKE357,345 pointsBadges:
  • Running Native on z/linux

    Hello, we are migrating to a different DASD platform and moving our z/linux would have a different addresses after we have copied them. Our z/linux knows the devices based on their addresses. Where or which system files do we need to edit to reflect their new addresses or how do we go about it....

    mrpogi11775 pointsBadges:
  • 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...

    ITKE357,345 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",...

    ITKE357,345 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:
  • 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...

    ITKE357,345 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...

    ITKE357,345 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:

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