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35%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bluebay, 123rf.com
://nmap.org ) at 2021-07-25 22:05 CEST Nmap scan report for metasploitable (192.168.122.236) Host is up (0.095s latency). Not shown: 65506 closed ports PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 23
35%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
18 19 Modules pm_buffer 20 MaxSize 102400 # 100 MByte buffer on the hard disk 21 Type disk 22 23 24 25 Modules om_udp 26 Host GraylogServerName 27 Port
34%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
FILE *ptr_myfile; 16 17 counter_limit = 100; 18 19 ptr_myfile=fopen("test.bin","wb"); 20 if (!ptr_myfile) 21 { 22 printf("Unable to open file!"); 23 return 1; 24 } 25 for ( counter=1; counter <= counter
34%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
needed to reposition the read head is eliminated. The admin can monitor merging of I/O blocks with iostat -x. This assumes the use of the filesystem cache. In Listing 2, wrqm/s stands for write requests
34%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
SyslogFacility AUTH 20 TCPKeepAlive yes 21 UseDNS no 22 UsePrivilegeSeparation yes 23 Subsystem sftp /usr/local/libexec/sftp-server 24 Match Group sftponly 25 ChrootDirectory /export
34%
Small Tools for Managing HPC
18.10.2017
Home »  HPC  »  Articles  » 
Several very sophisticated tools can be used to manage HPC systems, but it’s the little things that make them hum. Here are a few favorites.   ... ab7000)         libc.so.6 => /lib64/libc.so.6 (0x00007f5bc46f4000)         libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f5bc44de000)         /lib64/ld-linux-x86-64.so.2 (0x000056123e669000 ... Several very sophisticated tools can be used to manage HPC systems, but it’s the little things that make them hum. Here are a few favorites. ... It’s the Little Things
34%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
: Tegra X1: 25.6GBps memory bandwidth HDMI 2.0 and HDCP 2.2 10W power Peak performance: 1,024GFLOPS with FP16; 512GFLOPS with FP32 ARM Cortex CPUs: Quad-core 64-bit ARM Cortex-A57 ... 25
34%
Exploring OpenShift – Red Hat's next-generation PaaS tool
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
(C) Markus Feilner, CC-BY-SA 4.0
/mfeilner/.openshift/express.conf ... done 20 21 Checking for git ... found git version 2.1.0 22 23 Checking common problems .. done 24 25 Checking for a domain ... feilner 26 27 Checking for applications ... none 28 29 Run 'rhc create ... Exploring OpenShift – Red Hat's next-generation PaaS tool
34%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
QSJBRKC <- filter(mergedTop25, ServerOwner=="QSJBRKC") 119 EJZRDBP <- filter(mergedTop25, ServerOwner=="EJZRDBP") 120 WRWTCWR <- filter(mergedTop25, ServerOwner=="WRWTCWR") 121 122 p <- ggplot() + geom
33%
A first look at Apache 2.4: Web server for the cloud
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Helder Almeida, 123RF.com
for their documentation. Although at times it's a bit terse, it is very complete. The Apache 2.4 release, although a fairly modest bump compared with the move from the 1.x series to 2.0.x, is a pretty important release ... High performance and cloud suitability are the thrust of Apache 2.4. We give you the lowdown on transitioning your Apache HTTP Server from 2.2 to 2.4.

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