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100%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
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»
Articles
»
Rubén
Llorente
... ://wiki.almalinux.org/documentation/kickstart-guide.html "Virtualization with the Proxmox Virtual Environment
2.2
" by Martin Loschwitz, Linux Magazine , issue 150, May 2013, pg.
22
, https://www.linux-magazine.com/Issues/2013/150/Proxmox-VE "Proxmox Virtualization
99%
Automating command execution across servers
01.06.2024
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Archive
»
2024
»
Issue 81: Load...
»
Rubén
Llorente
... _host 02 known_hosts_file: /home/sake/.ssh/known_hosts
2
03 04 # Every server is labeled with the "devuan" tag 05 servers: 06 horse: 07 user: root 08 host: horse.operationalsecurity.es 09 tags
99%
Fast email server deployments with iRedMail
30.01.2024
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Archive
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2024
»
Issue 79: Monit...
»
Rubén
Llorente
... want to introduce iRedMail. Enter iRedMail iRedMail is a for-profit operation built on the freemium model as a free "open source, fully fledged, full-featured mail server" [
2
]. The website lists three
30%
Endlessh and tc tarpits slow down attackers
02.02.2021
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Archive
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2021
»
Issue 61: Secur...
»
from port
2222
on the local machine: $ nc -v localhost
2222
Connection to localhost
2222
port [tcp/*] succeeded! vc"06m6rKE"S40rSE
2
l &Noq1>p&DurlvJh84S bHzlY mTj-(!EP_Ta|B]CJu;s'1^:m7/PrYF LA%jF#vxZn
N
3
27%
Security without firewalls
31.10.2025
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Archive
»
2012
»
Issue 12: NAS S...
»
's usually TCP port
22
) to port
2222
, for example, to keep port scans from filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations
27%
Secure Your Server with TCP Wrappers
02.10.2012
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port
22
) to port
2222
, for example, to stop port scans filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations are guessed by one
26%
Manage OpenVPN keys with Easy-RSA
06.10.2019
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»
Archive
»
2019
»
Issue 53: Secur...
»
-server-full commands handle the request and sign procedure automatically, without requiring any intervention on the part of the admin. The scripts CharitÈ uses are based on Easy-RSA
2.2.2-2
, which comes with the Debian
25%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
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HPC
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2222
-j DNAT --to 192.168.1.200:
22
COMMIT ### end nat Now reload the kernel sysctl parameters and restart the firewall: # service iptables restart The next step in the process is to format