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92%
Setting up a PXE boot server
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
server addresses here – or those of free DNS providers such as Google. The dnsmasq.conf file then looks something like: resolv-file=/etc/nameservers.conf interface=eno1 dhcp-range=192.168.2.201, 192
92%
Verifying your configuration
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Kritiya Sumpun, 123RF.com
and struggling to reason about the weird failures? In fact, misconfiguration has been identified as the root cause for many recent public cloud outages – even for the tech giants like Amazon and Google. How do
92%
How to query sensors for helpful metrics
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by patricia serna on Unsplash
consistently high values for seek and read errors from Seagate Enterprise disks, whereas Toshiba drives only return 0 . Seagate outputs the raw error rates before internal error correction. The SMART
92%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
} tc [-force] -batch filename where OBJECT := { qdisc | class | filter | chain | action | monitor | exec } OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[aw] | -o[neline] | -j
92%
Kafka: Scaling producers and consumers
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Patrick Schneider on Unsplash
total memory by producer) allocated to buffer records for sending (see buffer-available-bytes). The tips in this article should give you a bit more guidance beyond the raw documentation
92%
Advanced MySQL security tips (a complete guide)
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © alphaspirit, 123RF.com
command: $ cat /var/lib/mysql/testDB/testTB.ibd | head -n 20 The command output will generate plaintext information containing raw data stored in the corresponding database table. Key Management
92%
Setting up DevOps Orchestration Platform
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © J¸rgen Acker, Photocase.com
hypervisor level (AWS Security Groups and Google Cloud Platform Firewall) and operating system platform level (iptables). Figure 1: An overview of the high
92%
Auditing Docker Containers in a DevOps Environment
27.12.2017
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Photo by Frank McKenna Unsplash.com
  somedude 21  chrisbinnie 16  root For a count of executable events with ausearch , the command output (abbreviated) is: $ ausearch --start today --raw | aureport -x --summary Executable
92%
Investigating container security with auditd
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image, Frank Mckenna, @unsplash.com
events with ausearch, the command output (abbreviated) is: $ ausearch --start today --raw | aureport -x --summary Executable Summary Report ================================= total file
92%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
. As a result, running it past DockerSlim's watchful eye is a big challenge. The Dockerfile is too long (103 lines) to display here; I chose the "Raw" option for the Dockerfile on GitHub, copying its contents

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