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Automating development environments and deployment with Otto
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © baloncici, 123RF.com
happens transparently for the user, who has no contact at all with the tools. Otto is released under Mozilla Public License Version 2.0, and development is an open process on GitHub [6]. Otto has one
10%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
_world[]="Hello World\n"; 08 static dev_t hello_dev_number; 09 static struct cdev *driver_object; 10 static struct class *hello_class; 11 static struct device *hello_dev; 12 13 static ssize_t driver_read( struct file
10%
Configuring the JBoss application server
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
HONGQI ZHANG, 123RF.com
environment, make sure the JAVA_HOME variable points to the Java root directory (Listing 1). Listing 1 Java Environment 01 # export JAVA_HOME=/usr/lib/jvm/jre-1.6.0-openjdk 02 # echo $JAVA
10%
Intruder detection with tcpdump
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Monika Wisniewska, 123RF.com
expressions # tcpdump -n -I eth1 host 10.10.253.34 and host 10.10.33.10# tcpdump -n -I eht1 src net 10.10.253.0/24 and dst net 10.10.33.0/24 or 192.5.5.241# tcpdump -n -I eth1 src net 10.10.30.0
10%
Warewulf 4 – GPUs
20.02.2023
Home »  HPC  »  Articles  » 
 slurm.conf  (i.e., /etc/slurm/ ): # GPU definition NodeName=n0001 Name=gpu File=/dev/nvidia0 The one line in the file defines the node to which it pertains. You can also use a single line in gres.conf  to cover
10%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
on enterprise-grade rack hardware, there is no reason one cannot follow along at home with a few beige boxes and an 10Mb hub, as long as the servers are capable of booting from the network with PXE [6]. PXE
10%
Fast system management from Puppet Labs
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Artmann Witte, fotolia.com
/2001/XMLSchema-instance" 05 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd 06 http
10%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
07 if [ -n "$OCF_RESKEY_monitor_sipuri" ]; then 08 check_binary sipsak 09 fi 10 11 if [ ! -f $OCF_RESKEY_config ]; then 12 ocf_log err "Config $OCF_RESKEY_config doesn
10%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
 package-list.txt Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.604. Average Compression Speed:  0.000MB/s. Total time: 00:00:00.04 By default, lrzip does not overwrite the original file
10%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
to jail>; 10 j.hostname = ; 11 j.ip_number = ; 12 /* call system call */ 13 i = jail(&j); 14 [...] 15 execv(, ...); 16 [...] 17 exit(0); 18

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