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27%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
Installing jails is not difficult, but the configuration requires care. After all, it's all about security. Commands can only be executed by the root user. To set up a jail, you need at least 150MB of free
27%
Advanced monitoring techniques for Azure VMs on Linux
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by Paul Morley on Unsplash
verify these checksums: import hashlib def calculate_checksum(log_entry): return hashlib.sha256(log_entry.encode('utf-8')).hexdigest() # Example log entry log_entry = "2024-06-15 12:00:00 Failed login
27%
What is an IOPS Really?
24.02.2022
Home »  HPC  »  Articles  » 
 MB p s  or Peak IOPS is  x . However, what does “IOPS” really mean and how is it defined? Typically, an IOP is an I/O operation, wherein data is either read or written to the filesystem
27%
Desktop Supercomputers: Past, Present, and Future
17.03.2021
Home »  HPC  »  Articles  » 
” on a single special motherboard. Each node was a Transmeta Efficeon processor connected to the other nodes over Gigabit Ethernet (GigE). Each node also had 512MB of memory, and the system had a 160GB hard drive
27%
Parallel Versions of Familiar Serial Tools
28.08.2013
Home »  HPC  »  Articles  » 
). You can specify the number of threads to use and the block size, as in this example, % pbzip2 -p 8 -b15vk massivetarball.tar which uses eight threads and a block size of 1500KB (1.5MB). A second
27%
Lean on Logwatch
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © MuharremZengin, 123RF.com
NEW packages will be installed: libdate-manip-perl libyaml-syck-perl logwatch As a result, about 12.5MB of new software is installed. Logwatch gets configuration details several ways: from script
27%
Single sign-on like the big guys
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Lead Image © Sergey Nivens, 123RF.com
_ADMIN=admin 10 - KEYCLOAK_ADMIN_PASSWORD=SOME_PASSWORD 11 - KC_DB=postgres 12 - KC_DB_URL=jdbc:postgresql://postgres:5432/keycloak 13 - KC_DB_USERNAME=postgres 14 - KC
27%
Automating system configuration with Ansible AWX
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Rungaroon taweeapiradeemunkohg, 123RF.com
. Search for the following lines in the inventory file: pg_username=awx pg_password=awxpass pg_database=awx pg_port=5432 After pg_username= and pg_password=, replace the access information for the Postgre
27%
Secure containers with a hypervisor DMZ
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © lightwise, 123RF.com
. One well-known example comes from the field of networks, when securing a website with an application and database. A buffer zone, known as the demilitarized zone (DMZ) [3], has long been established
26%
PostgreSQL 9.3
04.02.2014
Home »  Articles  » 
 
The new PostgreSQL 9.3 release introduces several speed and usability improvements, as well as SQL standards compliance. ... In version 9.3, the PostgreSQL community once again introduces several important new features in a major release. The work of many developers worldwide, this release went through a rigorous review ... The new PostgreSQL 9.3 release introduces several speed and usability improvements, as well as SQL standards compliance. ... PostgreSQL 9.3

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