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14%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
your tuning actions. Are you looking for a shorter response time or more throughput? One objective could be, say: "Action X takes 3.5 seconds to complete after clicking – in future, we want to be done
14%
Tips and Tricks for Containers
12.05.2020
Home »  HPC  »  Articles  » 
. done. Processing triggers for install-info (6.5.0.dfsg.1-2) ... Processing triggers for libgdk-pixbuf2.0-0:amd64 (2.36.11-2) ... Now, I'll make sure Octave is installed: root@c31656cbd380:/# octave
14%
Proactive Monitoring
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Tom Wang, 123RF.com
and runs in a Java virtual machine, Riemann has a web interface (the Riemann Dash) and various clients for Linux, OS X, and Windows. The Riemann service stores all the information in its index and uses
14%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
/iptables -X -t nat 12 /sbin/iptables -X -t mangle 13 /sbin/iptables --flush FORWARD 14 /sbin/iptables --flush INPUT 15 /sbin/iptables --flush OUTPUT 16 17 #exit 18 19 #policies for the chains
14%
VM and cloud management with openQRM
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Jason Murillo, 123RF.com
created in this way: /usr/share/openqrm/bin/openqrm state list 5.2.3.before-update-05-06-15_09.14.20 Test-State-Backup-05-24-15_13.09.05 To restore the system configuration from the Test-State-Backup-05
14%
Discovering indicators of compromise
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Photo by Jakob Owens on Unsplash
.16.190.159). In the last line, I execute the command to attack system2: ./eternalblue exploit7.py 172.16.190.159 ./shellcode/sc x From the security analyst (blue team) worker's perspective, Figure 7 shows what the result
13%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
 ./smg2000 -n 90 90 90" [openss]: pcsamp experiment using the pcsamp experiment default sampling rate: "100". [openss]: Using OPENSS_PREFIX installed in /home/jeg/chaos_4_x86_64_ib/opt/OSS-mrnet [openss
13%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
in the background with command lines like that shown in Listing 1. Listing 1 OpenSSL from Hell openssl x509 -req -CA ca.crt -CAkey ca.key -set_serial 0x$(openssl rand -hex 16) -days 3650
13%
A Real-World Look at Scaling to the Amazon Cloud
04.10.2011
Home »  CloudAge  »  Articles  » 
 
to process, and the longest you want a client to wait for the result is 10 minutes. Without changing the number of instances, the average wait time for the requests in the queue is [4 x (3 + 6 + 9 + 12 + 15
13%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
needed to reposition the read head is eliminated. The admin can monitor merging of I/O blocks with iostat -x. This assumes the use of the filesystem cache. In Listing 2, wrqm/s stands for write requests

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