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26%
Hardening mail servers, clients, and connections
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Photo by jesse ramirez on Unsplash
to port 22 (i.e., the SSH port). Simple Mail Transfer Protocol (SMTP) ports 25 and 587 should be open. If you also intend to operate with Internet Message Access Protocol (IMAP) on the system, you need
26%
Code IaC for provisioning of preconfigured virtual environments
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © vladnikon, 123RF.com
.DevCenter/devcenters/attachednetworks@2024-02-01' = { 18 name: networkConnection.name 19 parent: devcenter 20 ... } 21 22 resource devcenterGalleryImage 'Microsoft.DevCenter/devcenters/galleries/images@2024-02-01' existing = { 23
26%
Web Cryptography API
26.11.2013
Home »  Articles  » 
(e.target.result)); 18 }; 19 }; 20 }; 21 } Line 1 stores a key (truncated in the listing) for encrypting and decrypting application data in the variable encRawKey as a hexadecimal numerical sequence. The enc
26%
Load Testing the Cloud
20.02.2012
Home »  CloudAge  »  Blogs  »  Dan Frost's Blog  » 
 
.51, 0, 0.36, 17.74, 0.00, 6.38, 90, 0 2012-01-09 21:10:00, 92, 4.42, 0, 0.35, 20.81, 0.00, 7.22, 100, 0 2012-01-09 21
26%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
out the relevant line in the/etc/inittab  file. This will free up some memory: # Run xdm in runlevel 5 # x:5:respawn:/etc/X11/prefdm ‑nodaemon Now perform a first full-system package update
26%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
.13.134.52):            Not shown: 994 filtered ports            PORT    STATE  SERVICE VERSION            22/tcp  open   ssh     OpenSSH 4.3 (protocol 2.0)            25/tcp  closed smtp            53/tcp  open   domain  ISC BIND 9
26%
GUI or Text-Based Interface?
05.12.2018
Home »  HPC  »  Articles  » 
. Figure 3: Sample pop-up dialog from Bash script: dialog --title "Message" --msgbox 'Your job is done' 6 20 If you are interested in writing TUIs for system administration, a great place to start
26%
Tuning ZFS for Speed on Linux
17.03.2020
Home »  HPC  »  Articles  » 
   PROPERTY              VALUE                  SOURCE myvol  type                  filesystem             - myvol  creation              Sat Feb 22 22:09 2020  - myvol  used                  471K                   - [ ... ] ARC Operating systems commonly
26%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
to Ubuntu 20.04.1 LTS (GNU/Linux 5.4.0-56-aws x86_64) Booting Benchmarks These two tests provide good insight into the initialization speed of stock operating system images, with the notable exception
26%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
(IN) :: THIS 19 REAL :: AREA 20 AREA = PI * THIS%RADIUS**2.0 21 END FUNCTION CIRCLE_AREA 22 23 SUBROUTINE CIRCLE_PRINT(THIS) 24 CLASS(CIRCLE), INTENT(IN) :: THIS 25 REAL

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