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35%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
.2% (53.2% cumulative) 20.1 GB 4.9% (58.0% cumulative) 22.4 GB 4.5% (62.5% cumulative) 24.6 GB 4.1% (66.7% cumulative) 26.8 GB 3.8% (70.5% cumulative) 29.1 GB 3.2% (73.7% cumulative) 31.3 GB 3.0% (76.6% cumulative) 33
35%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
is my home network (192.168.x.x). The second NIC is connected to a private Ethernet network (10.0.0.1, subnet mask 255.255.252.0), which follows the network addressing discussed in the
35%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
'/boot' on this device please ensure that     your boot-loader understands md/v1.x metadata, or use     --metadata=0.90 mdadm: /dev/sdc1 appears to be part of a raid array:        level=raid1 devices=2
35%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
generic-service 21 host_name ubuntusrv 22 service_description Current Users 23 check_command check_nrpe!check_users!20!50 24 } 25 26 define
35%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
14 expect -exact "$ " 15 send -- "ssh aspen\r" 16 expect -exact "password: " 17 send -- "PASSWORD\r" 18 expect -exact "$ " 19 send -- "ps -ef|grep apache\r" 20 expect -exact "$ " 21 send -- "exit\r" 22
35%
Planning Performance Without Running Binaries
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
't be parallelized, you can tell up front, without knowing any other details about the problem, that the maximum speedup theoretically possible is 20x (Equation 3
35%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Franck Boston, fotolia.com
immediately notice about this device is its excellent equipment, with USB 3.0 (4x plus 4x USB2.0!), eSATA, and HDMI, optional 10Gb Ethernet (PCI Express slot), and a Sandy Bridge processor. You can retrofit
34%
Harden your Apache web server
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
. Configuration Currently Apache 2.4 Core has 90 configuration directives [2]. In any case, you should be familiar with the Directory, Files, Limit, Location, and VirtualHost configuration groups. For those who
34%
Versatile network and system monitoring
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © erythropterus, 123RF.com
an initial evaluation of the environment. They provide the installation packages for Ubuntu 20.04/22.4, CentOS 8, and Debian 11, along with Docker, virtual machine (VM) images, and an online demo [2]. If you
34%
Documentation Tools for Admins
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Sorin Colac, 123RF.com
names was introduced in version 2.2.x . The FAQ module consists of several components. The FAQ Explorer lets the admin navigate through the knowledgebase. If you want to create an article, you can call ... 20

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