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16%
Configuration Management with puppet
30.04.2013
Home »  Articles  » 
 
(adding s3cmd to the PATH) doesn’t have to be remembered. Most stuff on servers is just files, which is what makes puppet so useful. Now for the following line: require => Package
16%
Finding Your Way Around a GPU-Accelerated Cloud Environment
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © Lucy Baldwin, 123RF.com
acceleration capabilities, if any, are available. This is quickly discovered with the command: $ ec2metadata | grep instance-type instance-type: p3.2xlarge Variations of the ec2metadata tool query the AWS
16%
Accelerate web applications with Varnish Cache
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Aleksandr Frolov, 123RF.com
= 50ms; 07 .interval = 3s; 08 .window = 10; 09 .threshold = 8; 10 } 11 } 12 13 set beresp.grace = 12h; Changes on the Fly The reverse proxy not only delivers web pages
16%
Secure your data channel with stunnel
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Petr Vaclavek, 123RF.com
ZJOUoUsZGlkk client2:q0eL78zFrbnESW6c/F0qit5MNCpS8IBgyh1BdXiyyuI client3:zkq8eT31Nib3IHWfp0yyu15BCW52VMbY8+LhVUt3ylA The client uses the appropriate password in the /etc/stunnel/psk-client1.txt file: client1:Wf
16%
Tested: Barracuda firewall X201
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Barracuda firewall series. The X201 version (right) has a wireless interface. An optional accessory available for all Barracuda firewalls is a 3G USB modem, which was developed by the manufacturer
16%
Manage Linux containers with Docker
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © 36clicks, 123RF.com
everything it needs. The key technology enabling this approach is LXC, or Linux Containers [3]. Unlike a hypervisor-based virtual machine like Xen, LXC doesn't provide a full virtual machine with hardware
16%
Elephant Shed PostgreSQL appliance
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © victor zastolskiy, 123RF.com
a database server. Among other things, you can use it for fine-tuning, to monitor its vitals, and to design and execute a backup strategy. The appliance uses Prometheus [2] and Grafana [3] to collect
16%
Monitoring IPv6 with Wireshark
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Suzanne Tucker, 123RF.com
and is usually expressed as eights sets of four hexadecimal digits (known as nibbles, quibbles, or hextets) separated by colons. For example, an IPv6 address looks like this: 2001: 0db8: 1010: 61ab: f005: ba11: 00
16%
Live Migration
18.02.2014
Home »  Articles  » 
on a host, moving it to another virtualization host, and continuing operations there with no noticeable hiccups in service from the user’s point of view, is the art of virtualization and is what separates
16%
Total Network Monitor
20.08.2013
Home »  Articles  » 
 
(Figure 3). In this way, you can also query websites, Outlook Web App, intranet sites, and SharePoint libraries. Figure 3: Monitoring various protocols

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