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First steps in IT automation by Rex
11.06.2014
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Lead Image © Konstantin Chagin , 123RF.com
| = . +..+ | 19 | o+ B.o.. | 20 | o..o +.o | 21 +-----------------+ 22 root@hercules:~/.ssh# ssh-copy-id root@sugar 23 root@sugar's password: Check ~/.ssh/authorized_keys to make sure you haven
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Automate CentOS and RHEL installation with PXE
02.02.2021
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Lead Image © Michael Kempf, Fotolia.com
--reserve-mb='auto' 40 %end 41 42 %anaconda 43 pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty 44 pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok 45
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Serverless run times with custom Bash AWS Lambda layers
25.03.2020
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Lead Image © Eric Gevaert, 123RF.com
of 250 MB" [4]. If you're likely to embrace serverless tech to a massive degree, the AWS page on Lambda limits [5] will help explain the relatively sane limitations currently enforced. When I've created
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Comparing Ceph and GlusterFS
21.04.2015
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Lead Image © agencyby, 123RF.com
-r--r-- 2 root root 6 3. Feb 18:36 .glusterfs/0d/19/0d19fa3e-5413-4f6e-abfa-1f344b687ba7 # # ls -alid dir1 .glusterfs/fe/9d/fe9d750b-c0e3-42ba-b2cb-22ff8de3edf0 .glusterfs /00
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Tuning I/O Patterns in Fortran 90
04.12.2013
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common in HPC to illustrate these differences: C, Fortran 90, and Python (2.x series). I run the examples on a single 64-bit system with CentOS 6.2 using the default GCC compilers, GCC and GFortran (4.4.6
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Many Clouds, One API
22.08.2011
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machines with a fixed 1GB of RAM, whereas another could allow the user to set up memory of between 1 and 8GB in increments of 512MB. The Deltacloud API bundles all these different possibilities
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A watchdog for every modern *ix server
25.09.2023
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Photo by Sudhith Xavier on Unsplash
up a container machine running Monit. Listing 1 [2] creates the Ubuntu 22.04 LTS base image used to create further images for the test container machines. To generate the base image, go to your
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Build a honeypot with real-world alerts
01.08.2019
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Lead Image © Bruce Rolff, 123RF.com
NEW -m tcp --dport 22 -j ACCEPT 10 -A INPUT -p udp --dport 5353 -j DROP 11 -A INPUT -s -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT 12 -A INPUT -m limit --limit 30/min -j
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Configuring X Window input and output devices
03.02.2022
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Photo by Ilya lix on Unsplash
1: +DP-2-2 1080/510x1920/287+0+0 DP-2-2 2: +DP-2-3 1920/598x1080/336+1080+0 DP-2-3 You can use xrandr -q to see which modes the individual devices support. You can then set the desired mode
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Modularize websites with Web Components
09.04.2019
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Lead Image © Andrey Prokhorov, fotolia.com
Firefox 63 browser version supports a "modern Web Components API" [5]. In the Light of the DOM Web Components themselves are not standardized but are described in the style of a design pattern [6

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