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27%
News for Admins
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
 
release to the encryption toolkit to address a "certificate forgery" issue. The problem affects OpenSSL versions 1.0.2c, 1.0.2b, 1.0.1n, and 1.0.1o. According to the security advisory (CVE-2015
27%
News for Admins
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
© Kirill Makarovy, 123RF.com
has successfully found 9 of 10 test 'victims' in the office." The algorithm powering the facial recognition is developed by Russia-based N-Tech.Lab, which beat Google's face recognition software
27%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
://launchpad.net/~linbit/+archive/ubuntu/linbit-drbd9-stack LVM: https://sourceware.org/lvm2 Attribution-ShareAlike 3.0 Unported: https://creativecommons.org/licenses/by-sa/3.0/deed.en virter: https://github.com/LINBIT/virter Linstor: https ... DRBD9 and DRBD Reactor create a Linux high-availability stack for virtual instances with replicated storage comparable to the classic Corosync and Pacemaker solution. ... DRBD9 and DRBD Reactor ... Create a high availability VM with  DRBD9  and Reactor
27%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
myscript "A second test" The entry in the system log would look like: $ sudo tail -n 10 /var/log/syslog ... Jun 28 14:28:55 laytonjb-Nitro-AN515-55 myscript: A second test ... Notice that rather than
27%
Optimally combine Kubernetes and Ceph with Rook
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © satori, 123RF.com
introduced Rook in detail some time ago [2], looking into its advantages and disadvantages. Since then, much has happened. For example, if you work with OpenStack, Rook will be available automatically
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

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