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24%
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 $s_anchor_tag = "
24%
System temperature as a dimension  of  performance
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Lead Image © Lucy Baldwin, 123RF.com
of alternative sources. Listing 1 sensors Output federico@ferenginar:~$ sensors k10temp-pci-00c3 Adapter: PCI adapter temp1: +42.5¡C (high = +70.0¡C) (crit = +100.0¡C
24%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
. 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
24%
Thread processing in Python
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Christos Georghiou, 123RF.com
= sol.copy() 10 11 for j in range(0,ny-1): 12 sol[0,j] = 10.0 13 sol[nx-1,j] = 1.0 14 # end for 15 16 for i in range(0,nx-1): 17 sol[i,0] = 0.0 18 sol[i,ny-1] = 0.0 19 # end for 20 21 # Iterate 22
24%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:root bin:x:1:root,bin,daemon daemon:x:2:root,bin,daemon sys:x:3:root,bin,adm adm:x:4:root,adm,daemon tty:x:5: disk:x:6:root lp:x:7:daemon,lp mem:x:8: kmem:x:9: wheel:x:10:root mail:x:12:mail uucp:x:14
24%
VTP for VLAN management
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © bluedarkat, 123RF.com
active Fa0/1, Fa0/2, Fa0/3, Fa0/4, Fa0/5, Fa0/6, Fa0/7, Fa0/8, Fa0/9, Fa0/10, Fa0/11, Fa0/12 10
24%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
=test test: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=654MiB/s][w=167k IOPS][eta 00m:00s
24%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
-o pe_start # vgcreate RaidVolGroup00 /dev/sdx # lvcreate --extents 100%VG --name RaidLogVol00 RaidVolGroup00 # mkfs -t ext3 -E stride=32 -m 0 -O dir_index,filetype,has_journal,sparse_super /dev
24%
Managing Linux Filesystems
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ulrich Krellner, 123RF.com
Standard Filesystems Distribution Filesystem Debian (from v7.0 wheezy) ext4 Ubuntu (from v9.04) ext4 Fedora (from v22) XFS SLES (from v12
24%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
to logfiles, and it’s pretty simple to use: [laytonjb@test1 ~]$ logger "This is a test" ... [root@test1 ~]# tail -n 2 /var/log/messages Aug 22 15:54:47 test1 avahi-daemon[1398]: Invalid query packet. Aug 22 17:00

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