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16%
Understanding the Status of Your Filesystem
18.06.2014
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( 0.05%) ( 0.05% cumulative) [ 1- 2 days]: 0 ( 0.
00
%) ( 0.05% cumulative) [ 2- 4 days]: 4675 ( 1.
20
%) ( 1.25% cumulative) [ 4- 7 days]: 215 ( 0.06%) ( 1.31% cumulative) [ 7
16%
Warewulf 4 – Time and Resource Management
17.01.2023
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86_64 2.34-9.1.ohpc.2.6 OpenHPC-updates
13
k slurm-devel-ohpc
x
86_64
22
.05.2-14.1.ohpc.2.6 OpenHPC-updates 83 k slurm-example-configs-ohpc
x
86_64
22
16%
Building a HPC cluster with Warewulf 4
04.04.2023
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Issue 74: The F...
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-mod-slurm-ohpc
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86_64 2.34-9.1.ohpc.2.6 OpenHPC-updates
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k slurm-devel-ohpc
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86_64
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.05.2-14.1.ohpc.2.6 OpenHPC-updates 83 k slurm-example-configs-ohpc
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86
16%
Fundamentals of I/O benchmarking
11.04.2016
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Issue 32: Measu...
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needed to reposition the read head is eliminated. The admin can monitor merging of I/O blocks with iostat -
x
. This assumes the use of the filesystem cache. In Listing 2, wrqm/
s
stands for write requests
16%
Protect Your Servers with Nmap
23.07.2012
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.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION
22
/tcp open ssh OpenSSH 4.3 (protocol
2.0
) 25/tcp closed smtp 53/tcp open domain ISC BIND 9
16%
Give your servers the once over with Nmap
31.10.2025
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Issue 11: Cloud...
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.nmap.org (64.
13
.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION
22
/tcp open ssh OpenSSH 4.3 (protocol
2.0
) 25/tcp closed smtp
16%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
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:3.12.9-11.el6 nss-softokn-freebl.
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86_64 0:3.12.9-11.el6 nss-sysinit.
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86_64 0:3.
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.1-7.el6_2 nss-util.
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.1-3.el6_2 openldap.
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20
.el6
16%
Using Expect scripts to automate tasks
31.10.2025
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Issue 12: NAS S...
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conservatively originally 21 if {$force_conservative} {
22
set send_slow {1 .1} 23 proc send {ignore arg} { 24 sleep .1 25 exp_send -
s
-- $arg 26 } 27 } 28
15%
Monitor your nodes with collectl
30.11.2025
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Issue 09: Windo...
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X
4 920 CPU (quad core) 8GB of memory (DDR2-800) The operating system and boot drive are on an IBM DTLA-307020 (
20
GB drive at Ultra ATA/100) /home is on a Seagate ST1360827AS A 64GB Intel
X
15%
Creating an SFTP jail
30.11.2025
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2011
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Issue 3: Are yo...
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SyslogFacility AUTH
20
TCPKeepAlive yes 21 UseDNS no
22
UsePrivilegeSeparation yes 23 Subsystem sftp /usr/local/libexec/sftp-server 24 Match Group sftponly 25 ChrootDirectory /export
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