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25%
Make Your IT Automation Systems Play Together Like a Symphony
15.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
© jeancliclac, Fotolia.com
: Ruby (included in the Chef Development Kit) Note: For Windows systems, you’ll need to make sure that that PowerShell is installed and enabled. Set the proper execution policy: To do so, issue
25%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
, be sure to post a note somewhere. Perhaps you know of a pdsh-like tool that guarantees the output in some order? An absolute killer use of watch on a node is to use it with tmux [11], a terminal
25%
A DIY HTML Engine
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
© Luca Bertolli, 123RF.com
on it by leveraging various plugins and variables. Note that the new and serve commands require bundler to manage dependencies, so during the build process, you might notice some exception messages in the terminal
25%
A storage engine for every use case
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Maikloff, Fotolia.com
, you should note that the CSV engine is pretty limited: It does not support indexes or cache, so it is extremely slow with big datasets; NULL is not supported; and it does not allow transactions
25%
Application virtualization with Docker
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Oleksiy Mark, 123RF.com
together with Btrfs. (Note that the filesystem does not support SELinux Labels and thus has to do without this protection; I expressly advises against this approach.) Because of all these problems, Red Hat
25%
Monitoring HPC Systems
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Alexander Rivosh, 123RF.com
components from the RPMs landed in the filesystem. The binaries, gmond and gmetad were installed in /usr/sbin. (Note: If you build from source, they go into /usr/local/sbin). You can use the command whereis
25%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
to the docker-slim container. It goes on to note that some services like GitLab won't expose the socket in the same way, so you can use environment variables such as DOCKER_HOST to get around this, if required
25%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
the logfile no longer documents the access attempts. The duration of the lock is thus automatically based on the interval of any logrotate scripts. In the comments, note the time of the last lock. The script
25%
Requirements for centralized password management
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
ccvision
versions. Why Centralized Password Management? Although many regular users are rather careless with their passwords  – think of the infamous yellow sticky notes on monitors – most administrators take care
25%
Novell Filr 1.0 tested
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Illustrator, 123RF.com
or file and then choose the message type. The options are Digest , Message only , Message with Attachments , and Text Message . Note that Digest is only available when subscribing to a folder. The Digest

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