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25%
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
25%
Sharing Data with SSHFS
23.04.2014
Home »  HPC  »  Articles  » 
is included in the kernel or as a module. Many distributions already come with FUSE prebuilt. On my CentOS 6.5 desktop, I can check the modules associated with the running kernel (FUSE is usually built
25%
Protecting your web application infrastructure with the Nginx Naxsi firewall
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Pansiri Pikunkaew, 123RF
, PHP, and MySQL could take a rest with a load of 0.01. Performance tests on the cache resulted in 100,000 requests per second for 1,000 parallel requests without the base load of the server changing
25%
Caching with CacheFS
07.07.2020
Home »  HPC  »  Articles  » 
documentation, you need to follow just a couple of rules in setting the caching parameters: 0 ≤ bstop < bcull < brun < 100   0 ≤ fstop < fcull < frun < 100 Remember that these values are percentages, so
25%
Troubleshooting and analyzing VoIP networks
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Ioannis Kounadeas, Fotolia.com
PCM 48, 56, 64 G.723.1 MP-MLQ/ACELP 5.3, 6.3 H.728 LD-CELP 16 G.729 CS-ACELP 8 G.729 annex A CS-ACELP 8
25%
Create a high availability VM with  DRBD9  and Reactor
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Emma Simpson on Unsplash
consuming and expensive, which is what prompted Linbit to build an alternative to Pacemaker that specializes in handling simple use cases: DRBD Reactor [6]. In this article, I describe how DRBD and DRBD
25%
Remora – Resource Monitoring for Users
08.12.2020
Home »  HPC  »  Articles  » 
solver. In this case, all of the cores in the system are used. Notice in Figure 5 that the application execution time with OpenMP is much shorter when using four cores than when using one core. Figure 6
25%
Denial of Service in the Cloud
12.11.2013
Home »  Articles  » 
that return very long DNS responses. This typically results in up to a 10 times amplification factor. CloudFlare claims the Spamhaus attacker achieved an amplification factor of about 100 by requesting
25%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processors increases, the wall clock time of the parallel portion decreases. The speedup a increases from 1.00
25%
Tools to Manage Storage
03.02.2024
Home »  HPC  »  Articles  » 
                                938G  718G  173G  81% /home /dev/nvme0n1p1                                511M  6.1M  505M   2% /boot/efi /dev/sda1                                     5.5T  3.1T  2.1T  60% /home2 192.168.4.100:/home

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