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25%
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
25%
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
25%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alterfalter, 123RF.com
-host-alive' command definition 09 define command{ 10 command_name check-host-alive 11 command_line $USER1$/check_ping -H $HOSTADDRESS$ -w 3000.0,80% -c 5000.0,100% -p 12 5 13
25%
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
25%
Posteo, Mailbox.org, Tutanota, and ProtonMail compared
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Kirill Bodrov, 123RF.com
, and the latest email in the Inbox. As with Posteo, the basic Mailbox.org service costs EUR1 per month, which includes 2GB of storage, three aliases, and 100MB of storage for the office solution
25%
Galera Cluster for MySQL
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Noel Powell, fotolia.com
.gz cd pen-0.18.0/ ./configure make make install Started with: ./pen -r -p pen.pid -C localhost:4444 -S 3 \ localhost:3306 192.168.56.101:3306:100 \ 192.168.56.102:3306:100 192.168.56.103:3306:100
25%
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
25%
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
25%
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
25%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
08 # Network information 09 network --device=bond0 --bondslaves=ens1f0,ens1f1 --bondopts=mode=802.3ad,miimon-100 --bootproto=dhcp --activate 10 network --hostname=server.cloud.internal 11 network

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