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Guarding against social engineering attacks

01.08.2019

Home » Archive » 2019 » Issue 52: Stop... »

will be 2.2GB lighter. Figure 1: The download options with the SHA256 checksum to make sure it matches the reported checksum on the site. Be sure

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Automation Scripting with PHP

16.10.2012

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6), and start stream blocking (line 7), which executes the command and waits for the response. Now, write the output to a variable (lines 9-12), close the stream (line 14), and send the response

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Container Apps

02.10.2017

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can bring your own build infrastructure or use ours. When you install a snap for the first time, another small snap is also pulled down (at the time of writing, it’s around 85MB), known as the

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Infrastructure as Code with Terraform

18.02.2018

Home » Archive » 2018 » Issue 43: Real... »

public_key = "${file("${var.ssh_pub_key}")}" 07 } 08 resource "digitalocean_droplet" "mywebapp" { 09 image = "docker-16-04" 10 name: guest 11 region = "fra1" 12 size = "512mb" 13 ssh

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Bare metal deployment with OpenStack

02.08.2021

Home » Archive » 2021 » Issue 64: Bare... »

:13 ipa.initramfs.sha256 13 -rw-r--r-- 1 42422 42422 9.1M Mar 2 10:13 ipa.kernel 14 -rw-r--r-- 1 42422 42422 101 Mar 2 10:12 ipa.kernel.sha256 15 16 # file /var

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Solving the security problems of encrypted DNS

25.03.2020

Home » Archive » 2020 » Issue 56: Secur... »

) and only signs the data (integrity). Essentially, two keys are required per domain: one to sign the domain data (marked with code 256; typically 1024 bits) and a second to sign the keys (code 257; typically

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Testing the Samsung MU-PA500B 500GB SSD

04.10.2018

Home » Archive » 2018 » Issue 47: Findi... »

of their internal 2.5-inch SATA devices, coming in at a mere 2.3x3x0.5 inches (5.8x7.6x1.3 cm) – smaller than a Post-it note (Figure 1). Available in sizes ranging from 256GB to 2TB, the specimen in our lab is the MU

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Installing and operating the Graylog SIEM solution

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

. The pwgen command generates a password and encrypts with sh256sum: pwgen -N 1 -s 100 echo -n | sha256sum The encrypted password is then assigned to the parameter root_password_sha2. Table 1 gives

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Processor and Memory Metrics

12.02.2014

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to measure the 15-minute node load average every few seconds? If the application takes 12 hours to run, do you need to measure the CPU load every two to three seconds? The main result of frequent monitoring

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Safeguard and scale containers

05.12.2016

Home » Archive » 2016 » Issue 36: Autom... »

Version: v1 02 kind: Pod 03 metadata: 04 name: nginx 05 spec: 06 containers: 07 - name: nginx 08 image: nginx 09 ports: 10 - containerPort: 80 A replication controller [12], however

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