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15%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
: $ curl http://169.254.169.254 1.0 2007-01-19 2007-03-01 2007-08-29 2007-10-10 2007-12-15 2008-02-01 2008-09-01 2009-04-04 The cloud-init package installed on an instance contains utilities for its early
15%
Totally Stressed
30.09.2013
Home »  Articles  » 
 
performance of your system under load almost in real time, showing the relevant information with F10 through F12 key combinations. The keyboard shortcut Ctrl+Alt+F12 takes you to the current temperature
15%
Using Libvirt with Python to manage virtual machines
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © fourseasons, 123RF.com
service on a host system also needs to be defined. For access control, you may want to allow the new user to access the Libvirt framework, because only the root user has access without appropriate
15%
Listing 2
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
Listing 2: Installing libganglia into the Master node [root@test1 RPMS]# yum install libganglia-3.4.0-1.el6.i686.rpm Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror
15%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
Type of mail Filesystem label=data Block size=2048 (bits=11) Cluster size=4096 (bits=12) Volume size=1011675136 (246991 clusters) (493982 blocks) 16 cluster groups (tail covers 8911 clusters, rest cover
15%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
/storage and head/login nodes, including the root drives, which will hold the OS. Configure a RAID 1 mirror for the internal root drive through the RAID BIOS.  At this point, you also need to configure any large
15%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
that doesn't use raw packets but instead triggers the operating system to make a connection. The second – and both types appear to need root privileges, incidentally, at least on my desktop – is a -sS scan
15%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
. The second mode – and both types appear to need root privileges, at least on my desktop – is a -sS scan referencing a SYN scan, also known as a half-open, or Stealth Scanning, which is harder for the operating
15%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
time you want to log in to your server. The config file can be found at /etc/pam.d/sshd. As a non-root user, you should take a peek at the file to get an idea of what happens at the PAM level upon
15%
Controlling virtual machines with VNC and Spice
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Oleg Doroshin, 123RF.com
the right port number, just add 5900: root# virsh list Id Name Status ---------------------------------- 7 centos running 8 fedora running root# virsh vncdisplay 8 :1 The VNC client integrated

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