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Preparations for the Kernel Dump [root@rhel ~]# grep -i crash /proc/iomem 03000000-0affffff : Crash kernel [root@rhel ~]# grep crash /proc/cmdline ro root=/dev/mapper/VolGroup00-LogVol00 rd ... If the Linux server crashes, not only do you need to restore operations, you also need to analyze the problem. What happened? Where is the root of the error? What preventive measures are necessary

because I'm running the Bash shell. This needs to happen for all users and root. Next, you can edit the openlava configuration. All of the files you really need to worry about are in /opt/openlava-2.0/etc

Service (Amazon S3) 19 - ami plugin for Amazon Simple Storage Service (Amazon S3) 20 - sftp plugin for SSH File Transfer Protocol 21 - ebs plugin for Elastic Block Storage 22 - local plugin

01 user "root"; 02 03 Desc "Apache installation"; 04 task "apacheinstall", sub { 05 06 install package => "apache2"; 07 service "apache2" => "start"; 08 09 }; 10 11 Desc "Upload and sync

, followed by an installation guide using a virtual instance of Ubuntu 12.04 as an example. Then, I'll demonstrate the main administration tool. Following this, the root filesystem on a test system

option: Figure 2: The initial situation: a hard disk with a root and a swap partition. raider -R1 You don't need to state the disks/partitions here

are available redundantly within the whole cluster. Not the least of developers' problems is dealing with "rack awareness." If you have a 20-node cluster with RADOS in your data center, you will ideally have

.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp

allows you to define a 18 # character to toggle this mode off and on. 19 set force_conservative 0 ;# set to 1 to force conservative mode even if 20 ;# script wasn't run