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32%
Creating RAID systems with Raider
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
©Slawomir Kruz, 123RF.com
Partitions # df -h File system Size Used Avail Use% Mounted on /dev/mapper/VolGroup-lv_root 50G 1,7G 46G 4% / tmpfs 3,9G 0 3,9G 0
32%
VAX emulation with OpenVMS
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Ole Houen, 123RF
rq2 ra92 08 set rq3 cdrom 09 10 attach rq0 d0.dsk 11 attach rq1 d1.dsk 12 attach rq2 d2.dsk 13 14 attach -r rq3 cdrom.iso 15 16 set rl disable 17 set ts disable 18 19 set xq mac=08-00-2B-AA-BB-CC 20
32%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
of 'days' 06 07 # function to produce base sine data 08 # with a 7th of the base frequency overlap 09 def data_w_weekend(t): 10 if np.sin(periods / 7 * 2 * np.pi * t) > 0.5: 11 value = 0.001 * np
32%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Heiko Küverling, 123RF.com
(msg.payload)) 07 08 mqtt = paho.Client() 09 mqtt.on_message = on_message 10 11 mqtt.connect("localhost", 1883, 60) 12 mqtt.subscribe("linux/+", 0) 13 14 mqtt.loop_forever() The client now connects
31%
DNSSEC-aware DNS caching with Unbound
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Antonella Grandoni , Fotolia.com
secure-by-design stance. Unbound is a modern successor to Dan Bernstein's djbdns [3], because its design is focused on security and it includes DNSSEC. Developer NLnet Labs describes Unbound
31%
Backups using rdiff-backup and rsnapshot
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Dmitry Pichugin, Fotolia.com
DestinationSizeChange 41943106 (40.0 MB) Another view of the file statistics lists which file effected the change: # gunzip -c /mnt/backup/rdiff-backup-data/file_statistics.\ 2015-03-15T10\:44\:06+01\:00.data.gz | awk '$2
31%
Plundering treasures with Gitrob
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © pip, photocase.com
HHcUtMH4cpYuBSjKnIT78VK/TGvZCgL37K iYm71yE5BaFQSt+A5Wrlr8TDeNjHOOKY/3pInx79zr37w9OyT84dUwBfmn9Au0H8 HjA+1veU0FJLmj/LxvfA+tWM2l93HODwVar6NWqu9OQMw+XgX86UDo30b0MJb4iL aENiukjDEW08bhjEJ3AbELoJgnT2jNmilDEwO8whW6
31%
Read-only File Compression with SquashFS
14.06.2017
Home »  HPC  »  Articles  » 
 -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9 option (i.e., maximum compression), the resulting file is 268KB. The .gz
31%
Monitoring Performance with sar
05.03.2014
Home »  Articles  » 
 3.5.0-44-generic (hercules)         03.12.2013      _x86_64_        (2 CPU)    09:46:03      runq-sz  plist-sz   ldavg-1   ldavg-5  ldavg-15   blocked 09:46:13            1       468      0.02      0.06      0.14         0
31%
Collecting and evaluating performance data over a period of time
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Sergey Nivens, 123RF.com
) w Task creation and task-switching activity y TTY activities Listing 1 Query with Interval and Number jcb@hercules:# sar -q 10 2 Linux 3.5.0-44-generic

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