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17%
Getting a free TLS certificate from Let's Encrypt
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Stuart Miles, 123RF.com
="hanscees@hanscees.con" #adjust 11 12 LECROOT="/etc/letsencrypt/live" 13 mkdir /root/letsencrypt #justincase 14 15 #lets get certs 16 echo "will get the certs now" & sleep 3 17 for i in `echo $DOMAINS` ; do 18 echo "getting certs
17%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
-performance NVMe SSD achieves >90,000 IOPS/W for random reads of 4K, with latencies between 70µs (read) to 10µs (write) at around 1.5 million IOPS/SSD. In terms of the performance parameters mentioned previously (i
17%
High availability for RESTful services with OpenStack
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Ying Feng Johansson, 123RF.com
version 1.5. The idea is actually quite simple: The connection between the client and the load balancer is encrypted; the connection between the balancer and the actual destination host is not. In most
17%
Compressed Archives for User Projects
11.08.2025
Home »  Articles  » 
.jpg  15 cat.9874.jpg   5 cat.9927.jpg  51 cat.997.jpg   37 dog.9809.jpg  32 dog.9862.jpg  25 dog.9915.jpg 27 cat.9821.jpg  14 cat.9875.jpg  24 cat.9928.jpg  29 cat.9980.jpg  23 dog.9810.jpg  22 dog.9863
17%
vSphere 5 vs. XenServer 6
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kozinia, 123RF.com
. The smallest configuration "Essentials Kit" is for three hosts (without HA) with two CPUs each and 192GB of VRAM: ~US$ 500 dollars plus US$ 65 or 300 dollars annual support. Prices range up to US$ 22
17%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
use_regex = 0 22 load_monitor = rup 23 scheduler = rr 24 protocol = tcp 25 timeout = 6 26 reentry = 15 27 quiesce_server = 1 28 server webserver1 { 29 address
17%
Business continuity for small to medium-sized enterprises
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Andrea, Fotolia.com
full backup with several incremental backups every day. The shortest permissible interval between two incremental backups is 15 minutes. In an ideal case, I would lose a maximum of a quarter of an hour
17%
Cross-Vendor IPsec
25.10.2011
Home »  Articles  » 
 
authentication_algorithm pre_shared_key; 08 dh_group modp1024; 09 } 10 generate_policy off; 11 } 12 13 sainfo address 192.168.2.0/24 any address 172.16.0.0/16 any { 14 pfs_group modp1024; 15
17%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
(data$IPAddress) 14 srt <- ct[order(ct$freq, decreasing = TRUE), ] 15 top10 <- head(srt,10) 16 17 ggplot(data=top10, aes(x=x, y=freq, fill=x)) + geom_histogram(stat="identity", colour="black", show
17%
Connecting dissimilar IPsec implementations
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Yuri Arcurs, 123RF.com
dh_group modp1024; 09 } 10 generate_policy off; 11 } 12 13 sainfo address 192.168.2.0/24 any address 172.16.0.0/16 any { 14 pfs_group modp1024; 15 encryption_algorithm aes256; 16

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