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20%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
| 3.5 kB 00:00 elrepo | 1.9 kB 00:00 rpmforge
20%
Optimizing utilization with the EDF scheduler
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © SV-Luma, 123RF.com
Linux kernel 3.14 added an optional scheduling method known as Earliest Deadline First (EDF). EDF scheduling uses a scheme where the process closest to its deadline is the next process scheduled ... The superior "Earliest Deadline First" task scheduling method has been part of Linux since kernel 3.14.
20%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
-1600) CentOS 6.5 (updates current as of August 22, 2014) For testing, I used a Samsung SSD 840 Series drive that has 120GB of raw capacity (unformatted) and is connected via a SATA 3 (6Gbps) connection
20%
Microsoft CBL-Mariner Now Supports Kernel Live Patching
27.06.2022
Home »  News  » 
 
patching as well as PXE Boot (found in the Mariner installer). This new release of CBL-Mariner (version 2.0.20220617) also includes Golan 1.18.3, Ncurses 6.3, Redis 6.2.7, and Linux kernel 5.15.45.1 LTS ... The latest release of Microsoft’s in-house Linux distribution is now available and supports both kernel live patching and PXE Boot.
20%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
-fastcgi are running, as expected. Listing 1 Process List root 589 0.0 0.3 142492 3092 ? Ss 20:35 0:00 nginx: master process /usr/sbin/nginx -g daemon on; master_process on; www
20%
Many Clouds, One API
22.08.2011
Home »  Articles  » 
 
have been created over the last few years, including Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (S3), and JiffyBox. In the US, they are joined by providers such as Go ... to migrate easily to other providers at a later stage. Apache Deltacloud addresses this issue by offering a standardized API definition for infrastructure as a service (IaaS) clouds with drivers for a range
20%
IPv6 Tables
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © gepard1979, 123RF.com
, you can define the following anti-spoofing rules: # Anti-spoofing ip6tables -A INPUT ! -i lo -s ::1/128 -j DROP ip6tables -A INPUT -i $WAN_IF -s FC00::/7 -j DROP ip6tables -A FORWARD -s ::1/128 -j DROP
20%
Detecting malware with Yara
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Mohamad Razi Bin Husin, 123RF.com
= "A pdf file that contains a bad link" 10 11 strings: 12 $pdf_magic = {68 47 77 22} 13 $s_anchor_tag = "s_uri = /\(http.+\)/ ascii" 15 16 condition: 17 $pdf_magic at 0 and (#s
20%
Monitoring network computers with the Icinga Nagios fork
17.06.2011
Home »  Archive  »  2010  »  Issue 1: System...  » 
 
you request information externally about CPU load, RAM, or disk space usage, you need to install a verbose add-on, such as NRPE [3], on each machine. The remote Icinga server will tell it to execute
20%
Visualize Your Network
27.10.2011
Home »  Articles  » 
 
If the first item on a sys admin’s to-do list is building a Linux server, then the second item is surely monitoring that server. If you’ve been a sys admin for a while, you’ve almost definitely been ... Sometimes data that’s five minutes old just isn’t good enough. An abundance of network monitoring tools for SNMP makes a sys admin’s job easier by collecting and displaying a superabundance

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