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17%
Flatpak, Snap, and AppImage
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Quino Al on Unsplash
of the technology. However, there is a solution one size smaller. Youngsters The introduction of the DEB [2] and RPM [3] package formats coincided with the birth of the major distributions Debian and Red Hat
17%
Processing streaming events with Apache Kafka
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Photo by Mark Decile on Unsplash
simplify the operation of fully managed serverless infrastructures, in particular, but also of platform-as-a-service offerings. Apache Kafka version 3.0 will remove the dependency on ZooKeeper (for
17%
Parallel Versions of Familiar Serial Tools
28.08.2013
Home »  HPC  »  Articles  » 
 Pigz. Using pigz is pretty easy: % pigz file.tar This uses the default compression level of 6 , but personally, if I’m going to compress a file, I like to go all the way and use -9 as a command-line option
17%
Certificate management with FreeIPA and Dogtag
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by Oscar Sutton on Unsplash
._tcp.mykier.ip,ipa.mykier.ip,389 A Berkeley Internet Name Domain (BIND) 9 DNS server needs the same entries, but in a different format: _kerberos._udp.mykier.ip. 86400 IN SRV 0 100 88 ipa.mykier.ip. [...] The important
17%
Secure your data channel with stunnel
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Petr Vaclavek, 123RF.com
ZJOUoUsZGlkk client2:q0eL78zFrbnESW6c/F0qit5MNCpS8IBgyh1BdXiyyuI client3:zkq8eT31Nib3IHWfp0yyu15BCW52VMbY8+LhVUt3ylA The client uses the appropriate password in the /etc/stunnel/psk-client1.txt file: client1:Wf
17%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
->tv_nsec) * 1E-9; 24 } 25 26 int main(int argc, char* argv[argc+1]) { 27 if (argc < 2) { 28 fprintf(stderr, "Usage: %s NNN, NNN iterations\n", 29 argv[0]); 30 return EXIT_FAILURE; 31 } 32
17%
Law of Averages – Load Averaging
01.02.2013
Home »  Articles  » 
 
at the output of uptime [1] on OS X:   13:03 up 2 days, 12:01, 2 users, load averages: 0.52 0.59 0.63   The uptime command displays the load average in its common form, averaging the last one, five, and 15
17%
Getting your virtual machine dimensions right
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Photo by ROCCO STOPPOLONI on Unsplash
have 26 cores or 52 hyperthreads per NUMA node for the VM. Figure 2 shows a four-socket server with 28 cores per socket and 6TB of RAM. Figure 2: A four
17%
ONIE and Cumulus Linux on a switch
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Brian Kenney, 123RF.com
://cumulusnetworks.com/product/architecture/) The switch we used in our lab, a 4600-54T by Edgecore, has 52 ports and a management interface. You can view these ports using the ifconfig -a command; not as eth, but as swp. The switchd daemon shown
17%
VM and cloud management with openQRM
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Jason Murillo, 123RF.com
with a dump of the MySQL database from openQRM to a safe place. You can do this as root with the following commands: cp -aR /usr/share/openqrm /usr/share/openqrm-5.2.before-update mysqldump openqrm -p > /usr

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