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12%
Finding the fastest SD cards for the Raspberry Pi
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Lead Image © Lucy Baldwin, 123RF.com
was historically problematic for low-end SD cards. Run as iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2 [-f /path/to/file] with the iozone [9] benchmark. Figure
12%
News for Admins
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
 
on YouTube (https://www.youtube.com/watch?v=GfH4QL4VqJ0), features accounts from Guido van Rossum, Travis Oliphant, Barry Warsaw, and many others. It tells "the story of Python's rise, its community
12%
Port Knocking
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © rasslava, 123RF.com
seq_timeout = 10 08 tcpflags = syn 09 command = /usr/sbin/iptables -A INPUT -s \ %IP% -p tcp --dport 22 -j ACCEPT 10 11 [closeSSH] 12 sequence = 9000
12%
Moving your data – It's not always pretty
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
digifuture, 123RF
files from 1991 on my system and files from the late 1980s on floppy disks (once a pack rat, always a pack rat). With the second approach – doing the migration for the users – migrating data takes a bit
12%
Fedora 18 as a server distribution
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Anna Ivanova, 123RF.com
the approach introduced by Canonical with Ubuntu 12.10, in which only the bootloaders, but not the kernel, are signed. Compared with Canonical's approach, which only ensures that Ubuntu will start on Windows 8
12%
Setting up a PXE boot server
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
to memory cell 0 and then works its way forward in memory until it finds executable program code. On a regular PC, what the CPU encounters first is the Basic Input Output System (BIOS) or, to be more precise
12%
Intrusion detection with Prelude
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Chittima Kasa, 123RF.com
went to press. I installed Prelude on Debian Squeeze (6.0) and Ubuntu 11.10 for this article. Seeing Past False Positives SIEM systems are, without a doubt, an important component of any modern
12%
Assigning Privileges with sudo and PolicyKit
22.01.2013
Home »  Articles  » 
 
The sudo tools runs commands with a different user’s account. For apt-get upgrade , this would be the all-powerful root . Which users are allowed to use sudo with what programs is defined in the /etc
12%
Attacks on HTTPS Connections
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © almagami, 123RF.com
.owasp.org/index.php/Certificate_and_Public_Key_Pinning "EMET 4.0's Certificate Trust feature" by Elia Florio: https://blogs.technet.microsoft.com/srd/2013/05/08/emet-4-0s-certificate-trust-feature RFC 7469: Public Key Pinning extension for HTTP: https
12%
More Best Practices for HPC Containers
19.02.2020
Home »  HPC  »  Articles  » 
-7.5 , ubuntu-19.10 , ubuntu-19.10-tensorflow-2.0 , or almost anything your want (but watch special characters and blanks). It doesn’t have to have the complete version in the name, but it should

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