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39%
Transport Encryption with DANE and DNSSEC
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © nerhuz, 123RF.com
and – importantly – the string ESMTP (Listing 1). Listing 1 Unfiltered SMTP Connection $ telnet mail.sys4.de 25 220-mail.sys4.de ESMTP Postfix EHLO client.example.com 250-mail.sys4.de 250-PIPELINING
39%
Application virtualization with Docker
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Oleksiy Mark, 123RF.com
/sbin/httpd" ] ---> Running in 505568685b0d ---> 852868a93e10 Removing intermediate container 505568685b0d Step 7 : CMD [ "-D", "FOREGROUND" ] ---> Running in cd770f7d3a7f ---> 2cad8f94feb9 Removing intermediate container cd
39%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
+----------------------------------+---------+---------------------+ 40 | 47e0142a3638fdc24fe40d4e4fbce3f1 | Row 1 | 2015-09-13 15:24:12 | 41 | b833c1e4c5bfc47d0dbe31c2e3f30837 | Row 3 | 2015-09-13 15:24:14 | 42 | c7d46523a316de4e1496c65c3cbdf358 | Row 2 | 2015
39%
NVDIMM Persistent Memory
22.09.2016
Home »  HPC  »  Articles  » 
that fit the sockets for DDR4 SDRAM DIMMs. However, motherboards need a BIOS that supports the modules. JEDEC envisages two approaches: NVDIMM-N backs up the content of its DRAM in case of a power outage
39%
NVDIMM and the Linux kernel
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Denis Dryashkin, 123RF.com
modules that fit the sockets for DDR4 SDRAM DIMMs. However, motherboards need a BIOS that supports the modules. JEDEC envisages two approaches: NVDIMM-N backs up the content of its DRAM in case of a power
39%
Server distributions for small businesses tested
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © wabeno, 123RF.com
document, to an advanced Knowledge Base, to personal customer support. Our lab team looked at version 7.1 on a 64-bit machine. The ISO image weighed in around 800MB. Users who still have legacy 32-bit
39%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
to form a page (e.g., 8KB). Several pages then form a block (~2MB). At this level, the first peculiarity of flash memory already comes to light: Whereas new data can be written to unused pages, subsequent
39%
NetFlow reporting with Google Analytics
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Qi Feng, 123RF.com
) Newer implementations with NetFlow version 9 offer additional information about Multicast, IPv6, BGP (Border Gateway Protocol), and MPLS (Multiprotocol Label Switching). The package's information content
39%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
This first article of a series looks at the forces that have driven desktop supercomputing, beginning with the history of PC and supercomputing processors through the 1990s into the early 2000s. ... processors running at 167MHz. It had options for 128, 256, or 512MB of SRAM main memory and was the first supercomputer to sustain greater than 1GFLOPS (10^9 floating point operations per second ... This first article of a series looks at the forces that have driven desktop supercomputing, beginning with the history of PC and supercomputing processors through the 1990s into the early 2000s.
38%
Secure remote connectivity with VS Code for the Web
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © fckncg, 123RF.com
): ssh-keygen -t ed25519 -a 100 -f ubuntu-sre-id_ed25519 -q -N 2. Copy the SSH public key data on the target server to the authorized_keys file in the $HOME/.ssh directory. You can use the secure copy

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