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17%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
that at an online MCrypt man page [22]. Using mcrypt is very similar to the other Crypt replacement tools (Listing 11). Listing 11 Using MCrypt $ ls -s total 7288 196 hpc_001.html 7092 MFS2007.pdf
17%
Kubernetes k3s lightweight distro
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image Photo by Josh Rakower on Unsplash
.30.2.181/24. The standard security groups (SGs) in AWS only open TCP port 22, so I've made sure that any instances in that newly baked VPC can talk to each other. As you will see in a later command, only TCP port 6443
17%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
"mprotect", 19 "capget", 20 "getuid", 21 "wait4", 22 "pread64", 23 "Capset", 24 [snip...] Unfortunately, I can't go too deep into seccomp in this article
17%
Cloud security with AWS GuardDuty
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Amy Walters, 123RF.com
grants permissions to enable GuardDuty. If some instances expose ports like 22 or 3389 to the world (0.0.0.0/0), you should soon see some findings of malicious IPs trying to get into your systems
17%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
.get('mail') 22 if not useremail: 23 print "User " + username + " has no Email address in LDAP" 24 # Import smtplib for the actual sending function 25
17%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
# Intra-node communication 22 - 7000 23 # TLS intra-node communication 24 - 7001 25 # JMX 26 - 7199 27 # CQL 28 - 9042 29
17%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
(streams 22 (default :ttl 60 23 ; immediate indexing of all incoming events: 24 index 25 26 ; Forward errors, sorted by tags: 27 (where (state "error") 28 (where (tagged
17%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
is AuthZ from a pioneering company called Twistlock [21]. Their GitHub page spells out the basic policy enforcement [22]. The impressive Twistlock also has a commercial product that includes several
17%
Flatpak, Snap, and AppImage
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Quino Al on Unsplash
on Ubuntu as a platform. The long-term goal was to replace DEB packages, as well as Apt and Aptitude. In June 2016, developers ported the package manager and format to further Linux distributions [22]. Since
17%
HPC fundamentals
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Kasia biel, 123RF.com
.168.1.250: r b swpd free buff cache si so bi bo in cs us sy id wa st 192.168.1.250: 0 0 0 7248836 25632 79268 0 0 14 2 22 21 0 0 99 0 0 192.168.1.4: 1 0

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