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24%
SSHFS for Shared Storage
15.09.2020
Home »  HPC  »  Articles  » 
need SSH active on both systems. Almost all firewalls are set up to allow port 22 access or have mapped port 22 to a different port that can accommodate SSHFS. All the other ports can be blocked
24%
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/openstack 2012-08-10 2013-04-04 2013-10-17 2015-10-15 2016-06-30 2016-10-06 2017-02-22 To retrieve a list of supported versions for the EC2-compatible metadata API, enter
24%
DiffServ service classes for network QoS
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Elgris, Fotolia.com
for each class, and the recommended values (decimal and binary) of AF codepoints. Table 1 Assured Forwarding Codepoints Priority Level Class 1 Class 2 Class 3 Class
24%
Small Tools for Managing HPC
18.10.2017
Home »  HPC  »  Articles  » 
a000)         libpgc.so => /opt/pgi/linux86-64/16.10/lib/libpgc.so (0x00007f5bc4fc2000)         librt.so.1 => /lib64/librt.so.1 (0x00007f5bc4dba000)         libm.so.6 => /lib64/libm.so.6 (0x00007f5bc4
24%
Haskell framework for the web
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Photo by Aidas Ciziunas, Unsplash.com
Press [1], Drupal [2], or Joomla [3], generally they only have to unpack the core on the server and then add other modules. Installing security updates conscientiously and in good time counteracts ubiquitous
24%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
an alternative that has more security. SSHFS Filesystem in Userspace (FUSE) [3] offer several attractive features. Such filesystems are easy to code because they are in user space (have you tried getting
24%
Live migration of virtual machines with KVM
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © SV-Luma, 123RF.com
(e.g., iSCSI, Fibre Channel), or you can stick with NFS. For example, NetApp Clustered ONTAP also offers support for pNFS, which newer Linux distributions such as Red Hat Enterprise Linux or CentOS  6
24%
Exploring PowerDNS
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © ladyann, 123RF.com
and records DNSSEC support (as of 3.x) Web-based management options DNS data stored in plain text (BIND compatible) IPv4 and IPv6, UDP/TCP, 100% compliant [3] MySQL, Postgre
24%
Secure containers with a hypervisor DMZ
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © lightwise, 123RF.com
. One well-known example comes from the field of networks, when securing a website with an application and database. A buffer zone, known as the demilitarized zone (DMZ) [3], has long been established
23%
Network analysis with Wireshark
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Reinhard Eisele
-click the packet details in the packet list to add protocol fields. The release of Libpcap 1.0.0 added the ability to define the buffer size for recording and to view JPG files directly in Wireshark. Version 1.6 ... An administrator can only gain useful insights from network analysis if they understand the underlying procedures and protocols. The new version of Wireshark, 1.6, formerly known as Ethereal, can

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