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21%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
:FORWARD ACCEPT [0:0] 05 :OUTPUT ACCEPT [125:13440] 06 -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 07 -A INPUT -p icmp -j ACCEPT 08 -A INPUT -i lo -j ACCEPT 09 -A INPUT -p tcp -m state --state
21%
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
21%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
/local 53G 29G 22G 57% /vnfs/usr/local From the output, it can be seen that only 217MB of memory is used on the compute node for storing the local OS. Given that you can easily and inexpensively buy 8GB
20%
Web Cryptography API
26.11.2013
Home »  Articles  » 
: "RSASSA-PKCS1-v1_5", 03 params: { 04 modulusLength: 512, 05 publicExponent: new Uint8Array([0x01, 0x00, 0x01]) 06 } 07 }; 08 var sigAlg = { 09 name: "RSASSA-PKCS1-v1_5", 10 params: { hash: "SHA-1
20%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
,37) ! Real 008 INTEGER, PARAMETER :: real8 = selected_real_kind(15,307) ! Double Precision 009 REAL(real8), DIMENSION(:,:), ALLOCATABLE :: unew 010 REAL(real8), DIMENSION(:,:), ALLOCATABLE :: u
20%
Cross-Vendor IPsec
25.10.2011
Home »  Articles  » 
 
authentication_algorithm pre_shared_key; 08 dh_group modp1024; 09 } 10 generate_policy off; 11 } 12 13 sainfo address 192.168.2.0/24 any address 172.16.0.0/16 any { 14 pfs_group modp1024; 15
20%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
to jail>; 10 j.hostname = ; 11 j.ip_number = ; 12 /* call system call */ 13 i = jail(&j); 14 [...] 15 execv(, ...); 16 [...] 17 exit(0); 18
20%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
access than magnetic hard drives, and they offer far faster random access. Listing 4 IOPS on an SSD # iops /dev/sda /dev/sda, 120.03 GB, 32 threads: 512 B blocks: 21556.8 IO/s, 10.5 Mi
20%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
) 13 Index Cond: (sale_date > (('now'::text)::date - '6 mons'::interval month)) 14 Filter:<+>3<+> (eur_value >= 10::numeric) 15 -> Hash (cost=1672.00..1672.00 <+>4<+>rows=10000 width=1035) 16 -> Seq Scan
20%
Darshan I/O analysis for Deep Learning frameworks
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Michaela Murphy on Unsplash
08 integer :: counter 09 integer :: counter_limit 10 integer :: ierr 11 12 type(rec) :: my_record 13 14 counter_limit = 2000 15 16 ierr = -1 17 open(unit=8,file

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