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23%
Zuul 3, a modern solution for CI/CD
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © lightwise, 123RF.com
-created 09 - event: comment-added 10 comment: (?i)^(Patch Set [0-9]+:)?( [\w\\+-]*)*(\n\n)?\s*RECHECK 11 success: 12 gerrit: 13 # return to Gerrit Verified+1 14 Verified: 1 15
23%
The top three SSH tricks
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Fotoflash,Fotolia.com
-A INPUT -p tcp -s [IP address of allowed server] --dport 22 -j ACCEPT on the server to which you want to SSH. Trick 2: Copying Files Securely The SSH protocol also includes Secure Copy (SCP
23%
Shared Storage with NFS and SSHFS
12.09.2018
Home »  HPC  »  Articles  » 
, the first step is to specify the filesystems (directories) that are to be exported to the compute nodes. The /etc/exports file lists the filesystems and the permissions, such as: /usr/local   192.168.0.1(ro
23%
Shared Storage with NFS and SSHFS
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Oleksiy Mark, 123RF.com
, the first step is to specify the filesystems (directories) that are to be exported to the compute nodes. The /etc/exports file lists the filesystems and the permissions, such as: /usr/local 192.168.0.1(ro
23%
Data Analysis with Panda
12.03.2014
Home »  HPC  »  Articles  » 
important data structure in NumPy is the N -dimensional array, ndarray . In a one-dimensional case, ndarrays are vectors. Unlike Python lists, the size of NumPy arrays is immutable; its elements
23%
Pandas: Data analysis with Python
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © yang chao, 123RF.com
that no longer exist in the new index. Instead of NaN, you use the fill_value argument to specify different default values. To fill empty rows with 0, use: s.reindex(['d', 'e', 'f'], fill_value=0
23%
Greylisting with Postgrey
22.06.2012
Home »  Articles  » 
 
: Qmail Delivery Retry Events Delivery Attempt Seconds D-HH:MM:SS 1 0 0-00:00:00 2 400 0-00:06:40 3 1600 0-00:26:40 4
23%
Aligning filesystem partitions
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Lucy Baldwin, 123RF.com
. Setting this jumper will adjust sector addressing "in hardware" off by one, mapping address n into physical sector n +1. You want to be extremely careful not to enable this unless it is actually called
23%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
Uncompressed File $ gunzip hpc_001.html.gz $ ls -s total 11280 11032 Flying_Beyond_the_Stall.pdf 28 hpc_001.html.gpg 196 hpc_001.html 24 hpc_001.html.gz.gpg $ head -n 5 hpc_001.html HPC
23%
Managing Cluster Software Packages
12.02.2013
Home »  HPC  »  Articles  » 
in to another node (n0 in this case). On the first login, the modules are loaded on the remote node. On the second login, with NOMODULES set, no modules are available: $ module list Currently Loaded

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