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13%
Setting up DevOps Orchestration Platform
25.03.2020
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Lead Image © J¸rgen Acker, Photocase.com
.9.5) [5] Ansible 2.8.1 Python 3.6.9 Python 2.7.17 Terraform v0.12.0 Golang: go1.10.4 linux/amd64 [6] For a list of current restrictions and limitations, see the "Limitations" box
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Supercharge your software upgrade routine
05.08.2024
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Photo by redcharlie on Unsplash
.15) ... Processing triggers for man-db (2.10.2-1) ... $ $ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh info: downloading installer Welcome to Rust! This will download and install the official
13%
Detect failures and ensure high availability
22.05.2023
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Photo by Tim Foster on Unsplash
in Listing 4. Listing 3 Sync Progress §§nonuber Every 1.0s: cat /proc/drbd ubu22042-2: Sat Apr 8 16
13%
Your own AWS-compatible cloud with Eucalyptus
14.11.2013
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Lead Image © Author, 123RF.com
to Amazon's Elastic Block Store (EBC). Walrus: The Walrus component is the storage service that is compatible with Amazon Simple Storage Service (S3). Like the original, it stores data in buckets
13%
OpenStack workshop, part 2: OpenStack cloud installation
14.03.2013
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© Anatoly Terebenin, 123RF.com
IDENTIFIED BY 'ohC3teiv'; 10 EOF 11 mysql -u root <12 CREATE DATABASE keystone; 13 GRANT ALL PRIVILEGES ON keystone.* TO 'keystonedbadmin'@'%' 14 IDENTIFIED BY 'Ue0Ud7ra'; 15 EOF 16 mysql -u root <
13%
Intruder detection with tcpdump
30.11.2025
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© Monika Wisniewska, 123RF.com
uses the syntax tcpdump -n -I -s where -n means tcpdump should not resolve IP addresses to domain names or port numbers to service names, -I is the interface to use
13%
A watchdog for every modern *ix server
25.09.2023
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Photo by Sudhith Xavier on Unsplash
control. If you don't want to configure web UI password(s) in plaintext, you could use a .htpasswd file. I used an online htpasswd generator link [3] to generate .htpasswd file entries corresponding
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A self-healing VM system
07.06.2019
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Lead Image © THISSATAN KOTIRAT , 123RF.com
with timeout 15 seconds 03 if status != 0 for 3 cycles then exec "/usr/bin/ansible-playbook rebuild_node.yml" 04 if status != 0 for 3 cycles then exec "/usr/bin/mail -s 'Node 5 ping failed
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TKperf – Customized performance testing for SSDs and HDDs
18.07.2013
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Orcea David, 123RF
are also available; they will be expanded in future versions of TKperf. Fio and Python In the background, TKperf uses the Flexible I/O Tester (Fio) [3] developed by Jens Axboe, the maintainer of the Linux
12%
Advanced MySQL security tips (a complete guide)
30.05.2021
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Lead Image © alphaspirit, 123RF.com
service mysql restart Once backed up, log in to the server and check the SSL status by typing \s or by checking the value of the have_ssl variable (Listing 3). Listing 3 Checking have

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