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17%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
Linux Containers (LXC) [1] and Docker [2], as well as software-defined network (SDN) solutions [3], make extensive use of Linux namespaces, which allow you to define and use multiple virtual
17%
ASCII-based monitoring tools
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © tele52, 123RF.com
A long time ago, I was a system administrator for a couple of HPC systems, but I also inherited two Hewlett-Packard (HP) N-class servers (mainframes). Along with two WORM storage units, these were
17%
Coming to grips with grep
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Andrey Lavrushov, 123RF.com
/home/chris/.cache/software-center/piston-helper/software-center.ubuntu.\ com,api,2.0,applications,en,ubuntu,precise,\ amd64,,bbc2274d6e4a957eb7ea81cf902df9e0: "description": "La revista
17%
Data center networking with OpenSwitch
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © higyou, 123RF.com
network operating system in cooperation with Accton Technology Corporation, Arista, Broadcom, Intel, and VMware. The series of Altoline switches [3] by HP Enterprise (HPE), as the group is now called, were
17%
DNSSEC-aware DNS caching with Unbound
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Antonella Grandoni , Fotolia.com
INPUT iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A INPUT -i eth0 -j DROP iptables -A INPUT -i eth1 -p tcp --dport 22 -j ACCEPT iptables -A INPUT -i eth1 -j DROP
17%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bluebay, 123rf.com
:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh (...) reboot; Connection closed by foreign host. Metasploitable runs many more insecure services that an Nmap scan brings to light (Listing 3
17%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
Home »  HPC  »  Newsletter  »  2012-02-15 HPC...  » 
 
rewinddir 0 0 0 0 0 0 0 0 fsync 21 21 21 21 21 22 26 31 lseekm 3
17%
Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
rewinddir 0 0 0 0 0 0 0 0 fsync 21 21 21 21 21 22 26 31 lseekm 3
17%
HPCCM with Docker and Podman
09.09.2024
Home »  HPC  »  Articles  » 
-20240412-0ubuntu1'  ... Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240412 (experimental) [master r14-9935-g67e1433a94f] (Ubuntu 14-20240412-0ubuntu1) dev3 – Adding
17%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
SeverityValue = 3; else $SyslogSeverityValue = 6; 20 21 # The name of the file is also sent with the file 22 Exec $FileName = file_name(); 23 24 # The SourceName variable is set by default to 'NXLOG'. To send

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