- Page: 12 » ADMIN Magazine

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21.11.2012

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directions) 085 086 ALLOCATE ( unew(1:m,1:m), u(1:m,1:m) ) ! mem for unew, u 087 088 ! 089 ! Boundary Conditions 090 ! =================== 091 ! 092 pi = DACOS(0.0d0) 093 094 ! Top of unit square: (N) 095

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Beyond monitoring: Mathematical load simulation in Perl

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime = 2.2 * 1e-3; # dummy service time 17 18

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Managing Linux Filesystems

13.06.2016

Home » Archive » 2016 » Issue 33: IPv6... »

Standard Filesystems Distribution Filesystem Debian (from v7.0 wheezy) ext4 Ubuntu (from v9.04) ext4 Fedora (from v22) XFS SLES (from v12

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Build a honeypot with real-world alerts

01.08.2019

Home » Archive » 2019 » Issue 52: Stop... »

. The takeaway is the -j LOG option (line 12), which logs port scanning behavior to a logfile with the iptables: prefix. Listing 1 iptable Rules 01 *filter 02 *filter 03 :INPUT ACCEPT [0:0] 04

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Malware Analysis

11.06.2014

Home » Archive » 2014 » Issue 21: Manag... »

[PID] 38533; svchost.exe, PID 1560; and WScript.exe, PID 1744). Process jh (PID 38533) was spawned by a parent process – [Not Available] (528) – with a start time of 1601-01-01 00:00:00Z (Figure 1

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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 = "0 and (#s

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Monitoring virtualization environments with Nagios and Icinga

30.11.2025

Home » Archive » 2010 » Issue 2: Backup... »

CPU PROCESS/NLWP # 173 daemon 17M 11M sleep 59 0 3:18:42 0.2% rcapd/1 # 17676 apl 6916K 3468K cpu4 59 0 0:00:00 0.1% prstat/1 # ... # ZONEID NPROC SWAP RSS MEMORY TIME

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Building sustainably safe containers

02.02.2021

Home » Archive » 2021 » Issue 61: Secur... »

dockerrepo.matrix.dev/gentoo-glibc:latest-amd64 && touch pushtime Sending build context to Docker daemon 21.12MB Step 1/2 : FROM dockerrepo.matrix.dev/gentoo-base:latest ---> 22fe37b24ebe Step 2/2 : ADD

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File Compression for HPC

10.11.2021

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package-list.txt Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.604. Average Compression Speed: 0.000MB/s. Total time: 00:00:00.04 By default, lrzip does not overwrite the original file

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Measuring the performance of code

04.08.2020

Home » Archive » 2020 » Issue 58: Graph... »

33 enum { probes = 10, loops = 1, }; 34 uint64_t iterations = strtoull(argv[1], 0, 0); 35 uint64_t upper = iterations*iterations; 36 37 double pi = M_PI; 38 double r = 0.0; 39 40 stats

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