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19%
Introduction to HDF5
22.02.2017
Home »  HPC  »  Articles  » 
can be almost anything, such as images, tables, graphics, or documents. As with groups, they also have metadata. Every HDF5 file contains a “root” group. This group can contain other groups or datasets
19%
Cron alternatives fcron and hcron
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © stillfx, 123RF.com
.5.0/FcronQ-0.5.0.tar.bz2 $ tar xvf FcronQ-0.5.0.tar.bz2 $ cd FcronQ/Build/ $ make all $ make install-user [... set up for root ...] # make install Once you have set up one of the two schedulers, you
19%
Data center networking with OpenSwitch
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © higyou, 123RF.com
). Figure 2: The virtual instance of OpenSwitch is available for use after a few moments. Three users are predefined: root , admin , and netop . Only admin and netop are protected by a password, which
19%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
Openwall's website. John the Ripper is a command-line utility that does not require administrative or root privileges to run against a password hash file. However, you will need administrative privileges
19%
Filesystem Encryption
12.05.2014
Home »  Articles  » 
 
everything is installed, you should run two quick commands as root so you can use EncFS as a user: # usermod -a -G fuse laytonjb # chmod +x /usr/bin/fusermount The next step is to create two directories
19%
Advanced MySQL security tips (a complete guide)
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © alphaspirit, 123RF.com
privileges: mysql> revoke FILE on *.* from 'user'@'localhost'; Once revoked, the function's command will generate an error or NULL output. No Root Privileges MySQL must never be run as a root user
19%
Shared Storage with NFS and SSHFS
12.09.2018
Home »  HPC  »  Articles  » 
) or hostnames. A more advanced option is to export the filesystems to a range of IP addresses or to all IP address: /usr/local   192.168.0.0/255.255.255.0(ro) /home        192.168.*.*(rw,sync,no_root
19%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
) or hostnames. A more advanced option is to export the filesystems to a range of IP addresses or to all IP addresses: /usr/local 192.168.0.0/255.255.255.0(ro) /home 192.168.*.*(rw,sync,no_root
19%
Secure Your KVM Virtual Machines
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © George Tsartsianidis, 123RF.com
program that breaks out of jail – system privileges (Figure 1). Fortunately, root privileges are not necessary: Most distributions give normal users from the kvm group access to /dev/kvm. It is therefore
19%
Enforce secure workstation configurations
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Photo by Barnabas Piper on Unsplash
with the +i (immutable) attribute (line 37), preventing even root from modifying or deleting it without explicitly unsetting this flag. Meanwhile, systemd is configured to monitor the file. If a change

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