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28%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
7). The options used are -r, recursively Zip; -0, no compression (for faster execution); and -e, encrypt (prompts the user for a passphrase). Listing 7 Secure ZIP Encryption $ zip -r -0
28%
The simpler alternative to cron: Whenjobs
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© stillfx, 133RF.com
to a variable to trigger a change event, you can additionally set the --whisper option: whenjobs --set free_space=0 --whisper Whenjobs shows you which jobs are active when you stipulate the --jobs parameter
28%
Redo Backup
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Record (MBR). The current release was 1.0.4 when this issue went to press. It is based on Ubuntu 12.04.1 (LTS) but uses Openbox as a desktop window manager and provides only the applications necessary
28%
Storage trends for taming the flood of data
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © Natalia Lukiyanova, 123RF.com
, for example, the waste of storage space and energy and the unnecessary effect on service life when writing to SSDs. When you transfer 1MB to an SSD, the drives actually writes considerably more data
28%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
supplied to the devices – is a common method for calculating the cost of an infrastructure. With a theoretical PUE value of 1.0, the components would receive 100 percent of the energy used in the data center
28%
Platform independence with PowerShell Core
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Lead Image Photo by Harli Marten on Unsplash
set larger than 5MB: > Get-Process | Where-Object -FilterScript { $_.WS -gt 5MB } | Stop-Process The native solution on Linux would be a complex combination of Bash, AWK, and Grep. The Power ... Microsoft has broken new ground with the release of PowerShell Core 6.0, which at heart is a complete reboot in terms of architecture and objectives. For the first time, a new version is not linked ... PowerShell Core 6.0
28%
Migrating CentOS to Rocky Linux with migrate2rocky
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Ray Hennessy on Unsplash
distributions based on RHEL 8, the migration process is fairly simple. The first step is to make sure you have enough space on your partitions: 250MB on /usr , 1.5GB on /var , and 50MB on /boot . Failure
28%
HPC Storage – I/O Profiling
26.01.2012
Home »  HPC  »  Articles  » 
. rMB/s: Number of megabytes read from the device per second. wMB/s: Number of megabytes written to the device per second. avgrq-sz: Average size (in sectors) of the requests issued to the device
28%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
of commands requires Make, GCC, and the developer packages for Glib (libglib2.0-dev on Ubuntu systems). On Windows machines, Zmanda offers a ready-to-install Amanda client, which is free of charge
28%
Multiprocessing in Python with Fortran and OpenMP
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image Photo by Zachary Young on Unsplash
in the standard library, Parallel Python [3], variations on queuing systems such as 0MQ [4] (zeromq ), and the mpi4py [5] bindings of the Message Passing Interface (MPI) standard for writing MPI code in Python

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