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25%
History and use of the mail utility
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Vlad Kochelaevskiy, fotolia.com
: chris@linux.tld [->] Subject: Picture yourself, on a boat, on a river [->] User-Agent: Heirloom mailx 12.5 6/20/10 [->] MIME-Version: 1.0 [->] Content-Type: multipart/mixed; boundary="=_546791b1.cwvb6n4
25%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
Note that if you are seeing the following error when changing node roles, $ sudo drbdadm secondary r0 0: State change failed: (-12) Device is held open by someone Command 'drbdsetup-84 secondary 0
25%
Build secure IoT applications with open source
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Maksim Kabakou, 123RF.com
: Mbed TLS [4]: The new name of PolarSSL after the acquisition by ARM. It's an embedded-friendly TLS (DTLS since version 2.0) library. Implemented in C and easy to port to new targets. TinyDTLS [5
25%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
submitted his master's thesis on the subject of TCP Stealth in 2014 [12]. If you have been following the port knocking scenario for a few years, you might remember SilentKnock [13]. The project uses the same
25%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
"label": "localhost PING/PORT/HTTP Tests", 11 "tiles": [ 12 { 13 "type": "PING", 14 "params": { 15 "hostname": "128.0.0.1" 16 } 17 }, 18 { 19 "type": "PORT
25%
Listing 6
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
6  ### 8/5/2012 7 8  ### Set the job name 9  #PBS -N mpi_pi_fortran90 10 11 ### Run in the queue named “batch” 12 #PBS -q batch 13 14 ### Specify the number of cpus for your job.  This example
25%
Testing the Samsung MU-PA500B 500GB SSD
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Lucy Baldwin, 123RF.com
statistics --- 3 requests completed in 623.9 us, 12 KiB read, 4.81 k iops, 18.8 MiB/s generated 4 requests in 3.35 s, 16 KiB, 1 iops, 4.77 KiB/s min/avg/max/mdev = 200.4 us / 208.0 us / 221.4 us / 9.51 us
25%
New Products
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
 
is available for download April 2013. http://www.actian.com Altair Releases HyperWorks 12.0 Altair announced the release of HyperWorks 12.0 – the most
25%
Linux Local and Network Filesystems
07.01.2024
Home »  HPC  »  Articles  » 
 /snap/snap-store/638 loop11   7:11   0   219M  1 loop /snap/gnome-3-34-1804/77 loop12   7:12   0 218.4M  1 loop /snap/gnome-3-34-1804/93 loop13   7:13   0  40.9M  1 loop /snap/snapd/20290 loop14   7:14   0  73.9M  1
25%
Have a Bash with the Zing network utility
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Micah Tindell on Unsplash
for Internal Network zing.bash -c 4 -op 2 -p 80,443 10.0.0.23 ZING:80/ 10.0.0.23 / Warning: Error: on 80 is: Active. Continue. Port: 80: op 1.1. 10.0.0.23 80 Time: 28 ms. Port: 80: op 1.2. 10.0.0.23 80 Time

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