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27%
Kea, the ISC's successor to the DHCP daemon
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Markus Winkler on Unsplash
: "routers", "value": "192.168.2.254" }], "reservations": [{ "hw-address": "00:11:22:33:44:55", "ip-address": "192.168.2.60", hostname: "host-2-60" }, { "hw-address": "00
27%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
) ! Delta (x and y directions) ... 117 ! Solution Initialization 118 ! +++ !$OMP PARALLEL DO SHARED(m,n,u) 119 DO j=2,m-1 120 DO i=2,m-1 121 u(i,j)=0.0d0 122 ENDDO 123 ENDDO +++ !$OMP END
27%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
of code. Listing 1 Time to Execute import time start_time = time.time() # Code to check follows a, b = 1,2 c = a + b # Code to check ends end_time = time.time() time_taken = (end_time- start
27%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
for checking a password hash file against a password dictionary is very high. A hacker can recover dictionary-based passwords in minutes, whereas a brute force attack can take days. Brute force is a single-character-at-a
27%
Sort Out the Top from the Bottom
25.05.2012
Home »  Articles  » 
 
, which doesn’t involve human interaction. You can write two iterations of iotop to a file like this: # iotop --batch -n 2 > filename It’s Nice To Be Nice On a very busy server, you might look back
27%
Guacamole: Remote Desktop
04.02.2013
Home »  Articles  » 
 
with the md5sum utility: echo -n | md5sum -t 319f4d26e3c536b5dd871bb2c52e3178 - Next, add this hash value instead of the password to the configuration. Of course, the hashed password should
27%
Cron alternatives fcron and hcron
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © stillfx, 123RF.com
] and hcron [2] schedulers on Fedora 29 with the Backup Manager [3] program as the test application. Installation You can pick up RPM and DEB packages for hcron on the project website and easily install
27%
What is an IOPS Really?
24.02.2022
Home »  HPC  »  Articles  » 
or write? Despite not having a precise definition, IOPS is a very important storage performance measure for applications. Think about the serial portion of Amdahl’s Law, which typically includes I
27%
Understanding Privilege Escalation
13.12.2011
Home »  Articles  » 
 
, 28 ports open for incoming connections, and 441 packages installed and not updated for a while. Listing 2: grep, ps and netstat example results user@metasploitable:~$ uname -a Linux metasploitable 2
27%
Chatbots put to the scripting test
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © lexandersikovl, 123RF.com
2022. Although this might not be a major issue with Python, it has a far more serious effect on languages such as Ansible, which has undergone many changes between versions 2.9 and 2.15. Another problem

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