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Profiling application resource usage
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© fauxware, fotolia.com
The profiling tools of interest for profiling applications within Valgrind are cachegrind [12] and callgrind [13]. The cachegrind tool primarily simulates how the application interacts with a system's cache
10%
Production-ready mini-Kubernetes installations
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © Goran Bogicevic, Fotolia.com
to start with a local setup, you first need to set up a classic virtual machine (VM). Ideally, you will want to run Debian GNU/Linux 12 or Ubuntu 24.04. Preferably, you should also install a runtime
10%
Netcat – The Admin’s Best Friend
20.08.2012
Home »  Articles  » 
 
the -p option: # nc -p 16000 examplehost.tld 22 To add a timeout for latency testing, you could use the -w parameter followed by the number of seconds – 30 seconds, for example: # nc -p 16000 -w 30
10%
A self-hosted server and site manager for WordPress
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © Marek Ulliasz, 123RF.com
. When the control panel deploys a WordPress server, its scripts assume that the server is running on Ubuntu 20.04 or 22.04. The other shortcoming is the user interface (UI). Because it is based on Word
10%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
/lib/sheepdog root 582 581 0 13:13 ? 12:00:00 AM sheep -p 7000 /var/lib/sheepdog # grep sheep /proc/mounts /dev/sdb1 /var/lib/sheepdog ext4 rw,relatime,data=ordered 0 0 # grep sheep /etc/fstab /dev
10%
Kubernetes StatefulSet
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Photo by Ashley Light on Unsplash
). In such an environment, a "dedicated" MariaDB container could be run as a replacement for a MariaDB VM: podman run --name maria --volume /var/pods/maria:/var/lib/mysql:Z --net pub_net --ip 192.168.1.10 --mac-address 12
10%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
='GET /' docker-slim[build]: info=http.probe.call status=200 method=GET target=http://172.17.0.3:80/ attempt=1 time=2020-11-11T12:52:01Z docker-slim[build]: info=http.probe.summary total=1 failures=0 successful=1
10%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
. By the way, easyrsa export-p12 exports a key pair in PKCS12 format. The easyrsa gen-req easyrsa sign-req commands give Easy-RSA full-fledged PKI management, and the build-client-full build
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Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
publisher TEXT, 07 authors MAP, 08 circulation INT, 09 issue TEXT, 10 PRIMARY KEY(publisher, issue, isbn) 11 ); 12 13 # INSERT INTO titles(isbn, year, title, publisher, authors, circulation
10%
Server Virtualization with VirtualBox
18.09.2012
Home »  Articles  » 
 
also starts automatically after a reboot. Next, install the packages required for running phpVirtualBox: sudo apt-get install apache2-mpm-prefork apache2-utils apache2.2-bin \ apache2.2-common apache

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