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98%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
starting 12.34, so, for example, 12.34.56.78 will be allowed to connect to ALL services and not just SSH. As well as these flexible options, you can also declare old school subnets directly: sshd: 1.2.3.4/255.255.255.0 ... 12
97%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
): { echo -ne "HTTP/1.0 200 OK\r\n\r\n"; \ cat filename.tar.gz; } | nc -l -p 15000 Be warned that this might not work for you, but with some trial and error, to enable some extra interaction, you could try ... 12
97%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
------------------------------------------------------------------------------ 10 Hash Join <+>2<+>( cost=3091.01..13119.07 rows=59654 width=1286) 11 Hash Cond: (s.employee_id = e.employee_id) 12 -> Index Scan using sale_date on sales s (cost=0.01..3893.82 rows=59654 width=251 ... 12
97%
phpVirtualBox and RemoteBox compared
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Renjith-Krishnan, 123RF.com
version 2 since version 4.0. The latest version available at the time of writing, version 4.2, is probably newer than the packages provided by the repositories of most Linux distributions. The installation ... 12
55%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
Home »  Articles  » 
Lead Image © lightwise, 123RF.com
Rubén Llorente ... vm_id = 100 08 } 09 10 network_device { 11 model = "virtio" 12 bridge = "vmbr0" 13 } 14 15 depends_on = [ 16 proxmox_virtual_environment_file.rproxy_cloud_config, 17 proxmox
20%
Storage across the network with iSCSI and Synology DiskStation Manager
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Vladimir Nenov, 123RF.com
will show you how to integrate a Synology DiskStation storage device with a Debian v12 "bookworm" environment. I assume you have already purchased drives and a NAS enclosure, and you already have a working ... The iSCSI protocol lets you access block storage across a network connection. We show you how to connect a Debian 12 system with a Synology storage device over iSCSI.
15%
News for Admins
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
 
. Canonical Kubernetes 1.32 LTS is currently available and ready for production use. Read more at Canonical: https://canonical.com/blog/12-year-lts-for-kubernetes. Mirantis Releases Open Source k0rdent ... In the news: Palo Alto Networks Introduces Cortex Cloud; Canonical to Provide 12 Years of Kubernetes Support; Mirantis Releases Open Source k0rdent; D-Wave Now Offers On-Premises Quantum Computing
11%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
, in case that triggers a firewall's ruleset: # nmap -P0 12.34.56.78 Then, run the UDP and SYN (Stealth) scans concurrently, as mentioned previously: # nmap -sUS 12.34.56.78 With the use of the -f
10%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
= *from++; case 1: *to = *from++; }while(--n>0); } } Duff's device is obsolete today, in the simplest terms because it produces code that optimizing compilers will never be able
10%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
, you can use the current package from Debian Sid [4], which is available there as version 0.19+20120328. After meeting these preconditions, you can start with a fresh Ubuntu 12.04 LTS server default

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