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18%
Can your web server be toppled with a single command?
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Almagami, 123RF.com
the granular tweaking this approach offers. Listing 1 IPtables Ruleset 01 iptables -A INPUT -p tcp -m multiport --dport 80,443 -m state --state NEW -m limit --limit 100/minute --limit-burst 300 -j
18%
Monitoring network computers with the Icinga Nagios fork
17.06.2011
Home »  Archive  »  2010  »  Issue 1: System...  » 
 
-host-alive command_line $USER1$/check_ping -H $HOSTADDRESS$ -w 3000.0,80% -c 5000.0,100% -p 5 } Listing 4 timeperiods.cfg (Excerpt) define timeperiod{ timeperiod_name 24x7
18%
Kafka: Scaling producers and consumers
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Patrick Schneider on Unsplash
that will feed your analytics data warehouse (Figure 1). You've set up the edge with 100+ partitions for many of the topics you are consuming (because you had the forethought to expect scale and knew partitions
18%
News for Admins
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
 
(https://www.cncf.io/projects/falco/), can help observe this type of threat and reduce your risk of exploitation, Sysdig says. WSL Version 1.0.0 Now Available The Windows Subsystem for Linux (WSL) has
18%
OpenLDAP Workshop
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © tiero, 123RF.com
=manager,dc=acme-services,dc=org 21 22 dn: olcDatabase={1}monitor,cn=config 23 changetype: modify 24 replace: olcAccess 25 olcAccess: {0}to * by dn.base="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" read by dn
18%
Linux Software RAID
10.12.2023
Home »  HPC  »  Articles  » 
) The table presents some interesting information. You can think of the space efficiency as a percentage. For example, with four storage devices (N  = 4), RAID 0 is 100% space efficient (it’s always 100
18%
Enlarging the TCP initial window
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Jani Brumat on Unsplash
's standards. TCP includes the SMTP protocol for email and HTTP/1.1 and /2.0; therefore, all TCP stack optimizations have a positive effect on performance. In this article, I take a look at the TCP initial
18%
News for Admins
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
 
plane, and the failure of a single cluster cannot take down the service mesh on other clusters," the announcement says. NIST Releases Draft of Cybersecurity Framework v2.0 The National Institute ... ; CloudBees Updates Jenkins and Offers New DevSecOps Platform; Linkerd 2.14 Released with Improved Multi-Cluster Support; NIST Releases Draft of Cybersecurity Framework v2.0; CISA and MITRE Announce Open
18%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
(pr->pr_path), 0); 17 [...] 18 error = copyinstr(j.hostname, 19 &pr->pr_host, sizeof(pr->pr_host), 0); 20 [...] 21 pr->pr_ip = j.ip_number; 22 pr->pr_linux = NULL; 23 pr->pr_securelevel = securelevel
18%
HPC Storage – I/O Profiling
26.01.2012
Home »  HPC  »  Articles  » 
. rMB/s: Number of megabytes read from the device per second. wMB/s: Number of megabytes written to the device per second. avgrq-sz: Average size (in sectors) of the requests issued to the device

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