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15%
HDF5 and Parallel I/O
17.05.2017
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»
HPC
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Articles
»
, 5 ) / ( 8, 5 ) } DATA { (0,0): 0, 1, 2,
3
, 4, (1,0): 5,
6
, 7, 8, 9, (2,0): 10, 11, 12, 13, 14, (
3
,0): 15, 16, 17, 18, 19, (4,0): 20, 21, 22, 23, 24, (5,0): 25, 26, 27, 28, 29, (
6
15%
Read-only File Compression with SquashFS
14.06.2017
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-rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is
3
.2
MB
, but after using gzip with the -9 option (i.e., maximum compression), the resulting file is 268KB. The .gz
15%
Automate CentOS and RHEL installation with PXE
02.02.2021
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2021
»
Issue 61: Secur...
»
--reserve-
mb
='auto' 40 %end 41 42 %anaconda 43 pwpolicy root --minlen=
6
--minquality=1 --notstrict --nochanges --notempty 44 pwpolicy user --minlen=
6
--minquality=1 --notstrict --nochanges --emptyok 45
15%
HPC fundamentals
16.08.2018
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2018
»
Issue 46: CMS S...
»
st 192.168.1.4: 1 0 0 30198704 286340 751652 0 0 2
3
48
66 1 0 98 0 0 192.168.1.250: procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- 192
15%
Machine learning and security
02.02.2021
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2021
»
Issue 61: Secur...
»
of their toolkits. For example, you can install and use Splunk Enterprise and its Machine Learning Toolkit (Figure
6
) with a trial license for up to 60 days and index up to 500
MB
of data per day. The software
15%
pdsh Parallel Shell
08.07.2018
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.168.1.4: 1 0 0 30198704 286340 751652 0 0 2
3
48
66 1 0 98 0 0 192.168.1.250: procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- 192.168.1.250: r
15%
Security data analytics and visualization with R
05.12.2014
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2014
»
Issue 24: Visua...
»
Worksheet(patchstats, sheet = 2) 013 sheet
3
<- readWorksheet(patchstats, sheet =
3
) 014 sheet4 <- readWorksheet(patchstats, sheet = 4) 015 sheet5 <- readWorksheet(patchstats, sheet = 5) 016 sheet
6
<- read
15%
Backups using rdiff-backup and rsnapshot
11.02.2016
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2016
»
Issue 31: Tunin...
»
. Level 5 displays whether a file is changed; however, each processed file is listed in level
6
: # rdiff-backup -v5 /etc/ /mnt/backup [...] Incrementing mirror file /mnt/backup Processing changed file X11
15%
S.M.A.R.T., smartmontools, and drive monitoring
09.01.2013
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2013
»
Issue 18: New W...
»
difficulties because they require vendor-specific I/O control commands. Check the smartmontools page for more details on your specific card. For this article, I used a freshly installed CentOS
6
.4 [
3
15%
John the Ripper
22.08.2011
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systems is John the Ripper (John). John is a free tool from Openwall. System administrators should use John to perform internal password audits. It’s a small (<1
MB
) and simple-to-use password
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