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16%
Managing Cluster Software Packages
12.02.2013
Home »  HPC  »  Articles  » 
is propagated out to nodes on boot. Different “rolls” (images) can be constructed for different packages. An example is Rocks Clusters. NFS Root – Each node boots and installs everything as NFS root except
16%
Monitoring events with the Audit daemon
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © alphaspirit , 123RF.com
. Listing 1 auditd.conf log_file = /var/log/audit/audit.log log_format = RAW log_group = root priority_boost = 3 flush = INCREMENTAL freq = 20 num_logs = 5 disp_qos = lossy dispatcher = /sbin
16%
ONIE and Cumulus Linux on a switch
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Brian Kenney, 123RF.com
and a file with the right name in its root directory (the naming rules are disclosed in the ONIE documentation  [5]), the installation starts. If the admin connects a PC with a web server directly using
16%
Managing cluster software packages
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© victoroancea, 123RF.com
is propagated out to nodes on boot. Different "rolls" (images) can be constructed for different packages. An example is Rocks Clusters [1]. NFS Root – Each node boots and installs everything as NFS root except
16%
Stretching devices with limited resources
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © Lucy Baldwin, 123RF.com
described is not using swap. Listing 1 Checking Swap root@espressobin:~# free total used free shared buff/cache available Mem: 2046088 82796
16%
Environment Modules Using Lmod
08.08.2018
Home »  HPC  »  Articles  » 
, or you could install Lmod to a different NFS-exported directory. Figure 1: Example module file layout. Below the root directory are three main
16%
Lean on Logwatch
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © MuharremZengin, 123RF.com
; otherwise, you can assume the options are in the config files. So powerful is logwatch that you might want to make just one change to the standard installation so that the root user does not receive a lot
16%
Environment Modules Using Lmod
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Federico Caputo, 123RF.com
. Figure 1: Example module file layout. Below the root directory are three main subdirectories: Core, compiler, and mpi. These directories indicate the dependencies of the various modules. For example
16%
How to query sensors for helpful metrics
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by patricia serna on Unsplash
specification does not specify exactly what the output values return. Because both tools require root privileges to query the information, metrics collectors such as Telegraf, which runs in userspace, can only
16%
Application security testing with ZAP in a Docker container
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Maxim Maksutov, 123RF.com
ME!" citizenstig/nowasp As you will note, you're opening up at least one low-level, privileged network port. Don't be surprised if you have to sudo or become root to run the command. Figure 1 shows

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