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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
83%
Up close with SUSE Linux Enterprise 12
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © kasza, 123RF.com
Enterprise Linux Server (SLES) 12 [1], including the plugins for high availability. The test team had the chance for a first look at what SUSE has been up to, and we discovered they want to keep enterprise ... SLE 12 ... Up close with SUSE Linux Enterprise 12
69%
Oracle Database 12c: Cloud computing with multitenant architecture
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Jakub Jirsak, 123RF.com
using the DBMS_PDB package (after upgrading to 12c) and then plugged into a CDB. In-place upgrades are possible so far from 10.2.0.5, 11.1.0.7, 11.2.0.2, and higher; the result is initially a non ... More than 500 new features have been incorporated into the current release of Oracle Database 12c. Among other things, these changes offer a new architecture with pluggable databases that facilitate ... Oracle 12c ... Oracle Database 12c: Cloud computing with multitenant architecture
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
55%
Automating command execution across servers
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Photo by Adrian Hartanto on Unsplash
Rubén Llorente ... : [devuan] 10 donkey: 11 user: root 12 host: donkey.operationalsecurity.es 13 tags: [devuan] 14 zebra: 15 user: root 16 host: zebra.operationalsecurity.es 17 tags: [devuan] 18 19
54%
Discover the power of RouterBOARDS
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © andreysuslov, 123RF.com
Rubén Llorente ... is easy enough (superuser privileges are required): arp -s 192.168.90.55 00:0c:29:c1:91:b1 The last field of the command is the MAC address, which is the unique identifier of the network device to which
50%
Automate macOS 12 with the Shortcuts app
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Kirsty Pargeter, 123RF.com
: https://support.apple.com/en-gb/guide/shortcuts-mac/apdf22b0444c/5.0/mac/12.0 Importing Automator workflows: https://support.apple.com/en-gb/guide/shortcuts-mac/apd02bffbaac/5.0/mac/12.0 Sharing ... Apple ported the Shortcuts automation tool known from the iPhone and iPad to macOS Monterey 12 to help users make their everyday work more convenient, with or without programming knowledge. ... Automate macOS 12 with the Shortcuts app

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