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17%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Shariff Che'Lah, 123RF.com
#! /bin/sh 02 03 while true 04 do 05 06 zeit=$(date +%d.%m.%y\ %H:%M\ ) 07 08 psql -U monitor -d monitor -c "select * from watch;" 09 10 if [ $? -eq 2 ]; 11 12 then 13 14 echo "$time: Database
17%
hwloc: Which Processor Is Running Your Service?
07.11.2011
Home »  HPC  »  Articles  » 
GB) 03     Socket P#0 04       Core L#0 + PU L#0 (P#0) 05       Core L#1 + PU L#1 (P#2) 06       Core L#2 + PU L#2 (P#4) 07       Core L#3 + PU L#3 (P#6) 08   NUMANode P#1 (12GB) 09     Socket P#1 10
17%
BlackHat USA 2010
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
 
. In the case of SSL certificates, they scanned the Internet and found 1.2 million SSL-enabled websites [3] [4]. Among the problems found were certificates for reserved addresses (e.g., 192.168.1.2, a reserved IP
17%
Apache OpenMeetings video conferencing platform
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Chris Montgomery on Unsplash
in version 6, Apache OpenMeetings also supports TLS 1.2 for OAuth and do-it-yourself captchas. AOM lets you schedule meetings, create surveys, and back up data easily. The system is ideal for providing home
17%
HDF5 with Python and Fortran
21.03.2017
Home »  HPC  »  Articles  » 
   # =================== 09   # 10  if __name__ == '__main__': 11  12      f = h5py.File("mytestfile.hdf5", "w") 13  14      dset = f.create_dataset("mydataset", (100,), dtype='i') 15     16      dset[...] = np.arange(100) 17
17%
Obtain certificates with acme.sh
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Stuart Miles, 123RF.com
, such as: _acme-challenge.www.example.org. 300 IN TXT "Y5YvkzC_4qh9gKj6...jxAjEuX1" Additionally, the protocol uses nonces to protect against replay attacks and provides a workflow for revoking issued
17%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
 
, most administrators should be aware of the coming "IPocalypse," with the world running out of IPv4 addresses. If you are not already preparing for the coming of IPv6, it's time to start – and if you
17%
Pushing Raspberry Pi storage to its limit
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Lucy Baldwin, 123RF.com
capable of read speeds up to 4,900MBps (and up to 3,700MBps write speed), with total capacity of 512GB [6] (about $70). The unit is rated at a staggering 400K read and 900K write I/O operations per second
17%
Solving the security problems of encrypted DNS
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
MAXJPEwna184sRuU6QGYWnccTAyJhpzYQ+AsfK8eZVYS 12 iA2g8G24ZIvMrzOp6KQdx0XET6/QIO5xD7B0QH9YNXatVsXtzce+9Q9X 13 klmc78oKRKrVw969aEX91kjRXf6pjRXckJxXdXetxzuL6/E4bMKjQCGX 14 yJI20TGx Confirming the keys follows
17%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
to send STDOUT to a file or you can use the notation $this_value = `this_program 1>&2`; to catch a program's STDOUT and STDERR. This example shows the backtick method, but you can also use the open

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