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23%
Tools that extend Bash scripting
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Laschon Maximilian, 123RF.com
script. This can be very useful if you are deploying an interactive Bash script for production (i.e., users). To begin, install libnotify or libnotify-bin (for my CentOS 6 and 7 systems I installed
23%
We compare four popular NAS appliances
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Alejandro Mendoza, 123RF.com
  Model TS-251 DS-214 N5550 ReadyNAS RN31400 Manufacturer QNAP Inc. Synology Thecus Netgear Operating System QTS 4.1.1 (Linux 3.12.6
23%
New Monitoring Tools
14.04.2021
Home »  HPC  »  Articles  » 
A long time ago, I was a system administrator for a couple of HPC systems, but I also inherited two HP (Hewlett-Packard) N-class servers (mainframes). Along with two WORM storage units, these were
23%
Monitoring events with the Audit daemon
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © alphaspirit , 123RF.com
/audispd name_format = NONE max_log_file = 6 max_log_file_action = ROTATE space_left = 75 space_left_action = SYSLOG action_mail_acct = root admin_space_left = 50 admin_space_left_action = SUSPEND disk
23%
ASCII-based monitoring tools
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © tele52, 123RF.com
A long time ago, I was a system administrator for a couple of HPC systems, but I also inherited two Hewlett-Packard (HP) N-class servers (mainframes). Along with two WORM storage units, these were
23%
Favorite benchmarking tools
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © Lucy Baldwin, 123RF.com
of the specified command by default, but the minimum number of runs can be tuned manually (-m). Returning again to the same sleep [6] example I used previously, I show a snapshot of the interactive progress report
23%
Configuration management and automation
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © Valerijs Kostreckis, 123RF.com
package before installing: $ wget http://dl.bintray.com/rundeck/rundeck-deb/rundeck-2.6.7-1-GA.deb $ sudo dpkg -i rundeck-2.6.7-1-GA.deb Installing a package is practical because it integrates a Rundeck
23%
A Distributed SQL Database
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Sonika Agarwal on Unsplash
, contiguous chunks called ranges, which are typically 64MB in size. These ranges are replicated across multiple nodes by the Raft consensus algorithm, ensuring strong consistency and fault tolerance. On top
23%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
 = os.open(fileloc, os.O_RDONLY)         junk = os.fstat(FILE)         size = junk[6]         atime = junk[7]         mtime = junk[8]         ctime = junk[9]         uid = junk[4]         gid = junk[5]         print "   File: %s size: %s atime
23%
Blending Java with other programming languages
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Ivan Mikhaylov, 123RF.com
[...] 20 String line = readlineImpl(prompt); 21 if ((line != null) && (addToHist)) { 22 addToHistory(line); 23 } 24 return line; 25 } 26 27 public static void add

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