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15%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
the Debian-based, distributions install it along with openvpn – one exception being Ubuntu, which only offers easy-rsa starting with Cosmic Cuttlefish (Ubuntu version 18.10) [3]. The successor, Easy-RSA 3.0
15%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
: 15 collec.insert({"name":row[0],"observer":row[1],"type":row[2],"period":\ pfl(row[3]), "ecc":pfl(row[4]),"semaj_axs":pfl(row[5]), \ "perih_dist":pfl(row[6]), "incl":pfl(row[7
15%
Nagios alerts implemented via VoIP
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Zentilia, 123RF.com
well. Of the available clients, PJSUA [3] turns out to be the best choice. PJSUA is the PJSIP reference implementation, and it comprises a function library for SIP, RTP, STUN, and some other Vo
15%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
interval and add to dictionary 38 interv = 0.5; 39 d['interval'] = interv; 40 41 # Number of cores: 42 N = psutil.cpu_count(); 43 d['NCPUS'] = N; 44 45 cpu_percent = []; 46 epoch
15%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
_filesystem_avail_bytes{device="/dev/nvme0n1p1",fstype="vfat",mountpoint="/"} 7.7317074944e+11 node_filesystem_avail_bytes{device="tmpfs",fstype="tmpfs",mountpoint="/tmp"} 1.6456810496e+10 # HELP node_cpu_seconds_total Seconds the CPUs spent
15%
ClusterHAT
10.07.2017
Home »  HPC  »  Articles  » 
with the original Raspberry Pi Model A, ranging from two to more than 250 nodes. That early 32-bit system had a single core running at 700MHz with 256MB of memory. You can build a cluster of five RPi3 nodes with 20
15%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
# Deactivate comments to keep these rules permanently 090 UNBLOCK_AUTO=0 091 092 echo "Initialize iptables" 093 # Create rule chains 094 chain_exists LAST_RESORT || ${IPTABLES} -N LAST_RESORT 095
15%
Cross-Vendor IPsec
25.10.2011
Home »  Articles  » 
 
/24 endpoint2=192.168.2.0/24 action=requireinrequireout auth1=computerpsk auth1psk="test123" qmsecmethods=esp:sha1-3des qmpfs=dhgroup2 If you need to create a large number
15%
New features in MariaDB 10.3
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image by Adarsh Kummur on Unsplash
| revenue | 18 +---+------+---------+ 19 | 1 | 2016 | 100.00 | 20 | 2 | 2016 | 0.00 | 21 | 3 | 2016 | 999.99 | 22 | 1 | 2017 | 500.00 | 23 | 2 | 2017 | 0.00 | 24 | 3 | 2017 | 100.00 | 25 | 1 | 2018 ... What lacked maturity in MariaDB 10.2 has now been sorted out in version 10.3. We look at the benefits you can reap now. ... MariaDB 10.3 ... New features in MariaDB 10.3
15%
Operating systems for the cloud and containers
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © leeavison, 123RF.com
than five years old. The first public version 0.3.0 was released in October 2011; version 0.3.5 is the most recent. The source code is released under the GNU General Public License version 2 (GPLv2

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