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34%
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
34%
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
34%
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
34%
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
34%
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%
Configuring the JBoss application server
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
HONGQI ZHANG, 123RF.com
) (out= 131)(deflated 17%) adding: WEB-INF/(in = 0) (out= 0)(stored 0%) adding: WEB-INF/web.xml(in = 63) (out= 48)(deflated 23%) # cp helloworld.war ../../jboss-5.1.0.GA/server/all/deploy/ 20
33%
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
33%
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
33%
How Old is That Data?
20.04.2017
Home »  HPC  »  Articles  » 
Files are 10x bigger than in previous studies Files are rarely reopened: >66 percent are reopened just once and 95 percent are opened fewer than five times <1 percent of clients account for 50

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