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17%
Bare metal deployment with OpenStack
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Anatolii Nesterov on Unsplash
.168.21.21" ipv4_subnet_mask: "255.255.255.0" ipv4_gateway: "192.168.21.254" ipv4_nameserver: - "8.8.8.8" - "8.8.4.4" properties: cpu_arch: "x86_64" ram: "65536" disk_size: "1024" cpus
17%
Citrix XenServer 6.2 goes open source
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © George Tsartsianidis, 123RF.com
, was originally developed at the University of Cambridge and commercially marketed by the company XenSource. It changed hands in 2007 for no less than US$  500 million. The purchaser? Citrix. A long series
17%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
in different, conceivably better, performance. The test system is my Linux laptop (see Table 1 for specifications). The laptop runs Ubuntu 20.04 with the 455.45.01 NVidia driver, and CUDA 11.2. Octave 5.2.0
17%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
. For example, a byte (8 bits) with a value of 156 (10011100) that is read from a file on disk suddenly acquires a value of 220 if the second bit from the left is flipped from a 0 to a 1 (11011100) for some
17%
Monitoring Performance with sar
05.03.2014
Home »  Articles  » 
 3.5.0-44-generic (hercules)         03.12.2013      _x86_64_        (2 CPU)    09:46:03      runq-sz  plist-sz   ldavg-1   ldavg-5  ldavg-15   blocked 09:46:13            1       468      0.02      0.06      0.14         0
17%
Collecting and evaluating performance data over a period of time
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Sergey Nivens, 123RF.com
) w Task creation and task-switching activity y TTY activities Listing 1 Query with Interval and Number jcb@hercules:# sar -q 10 2 Linux 3.5.0-44-generic
17%
Setting up FreeNAS
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Franck, 123RF.com
NAS Early versions of FreeNAS originate from the embedded firewall project m0n0wall, and the software has since undergone a complete metamorphosis. The current version is built on powerful open source
17%
Rocky Reaches for a Role in HPC
12.09.2022
Home »  HPC  »  Articles  » 
. One reason for the importance of CentOS to the HPC market was cost. The largest HPC systems on the TOP500 list are created with huge budgets where the operating system is less of a factor in the overall
17%
News for Admins
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
 
-based Linux distributions are affected by the vulnerability except for SUSE Linux Enterprise 15, openSUSE Leap 15.0, and Fedora 28 and 29. These distributions compile their userspace code with GCC's -fstack
17%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
Ubuntu 18.04 stock instance, I enter: $ ulimit -u 3841 The limit is set with the -S option: $ ulimit -S -u 500 Once the limit is reached, the system will generate an error. Setting too low a limit

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