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Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
relatively easy if you opt to download the package from the website (Listing 2). Listing 2 Installing TCP Wrappers 01 bash#> cd /tmp 02 bash#> ls tcp_wrap* 03 tcp_wrappers-7.6.sol10-sparc
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Network performance in the world's favorite data center
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Lucy Baldwin, 123RF.com
that the expected configuration throughput matches actual wire speed is where benchmarking comes in. Following the advice in Table 1, launch two m6in.2xlarge instances located in the same AWS availability zone
10%
Obtain certificates with acme.sh
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Stuart Miles, 123RF.com
, such as: _acme-challenge.www.example.org. 300 IN TXT "Y5YvkzC_4qh9gKj6...jxAjEuX1" Additionally, the protocol uses nonces to protect against replay attacks and provides a workflow for revoking issued
10%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
 
, most administrators should be aware of the coming "IPocalypse," with the world running out of IPv4 addresses. If you are not already preparing for the coming of IPv6, it's time to start – and if you
10%
Cloud Foundry realizes a service mesh
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © lightwise, 123RF.com
cddaa6-0886-44b3-9590-16717d5cd3c2", 20 "service_instance_guid": null, 21 "port": null, 22 "domain_url": "/v2/shared_domains/fb6bd89f-2ed9-49d4-9ad1-97951a573135", 23
10%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
, some parts of which are standardized and some of which are defined by the device manufacturer. In production, the Standard MIB II ranges (1.3.6.1.2.1.*) and the vendor-specific area below
10%
Container and hardware e-virtualization under one roof
17.10.2011
Home »  CloudAge  »  Articles  » 
 
, KVM is free, and it became an official Linux kernel component in kernel version 2.6.20. KVM Inside As a kind of worst-case fallback, KVM can provide a slow but functional emulator for privileged
10%
Container and hardware e-virtualization under one roof
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Maxim Kazmin, 123R
an official Linux kernel component in kernel version 2.6.20. KVM Inside As a kind of worst-case fallback, KVM can provide a slow but functional emulator for privileged functions, but it provides genuine
10%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
Laboratory hosts a number of excellent parallel programming tutorials at its Leadership Computing Facility, including one demonstrating the Monte Carlo method in both serial and parallel implementations [6]. I
10%
Netcat – The Admin’s Best Friend
20.08.2012
Home »  Articles  » 
 
since its inception. These days, it handles IPv6 as well as IPv4 beautifully. Its astounding versatility means that integrating it with scripts is a veritable piece of cake. I have heard it said in fact

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