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28%
Safeguard and scale containers
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © cepixx, 123RF.com
back to sleep. Listing 2 nginx_repl.yaml 01 apiVersion: v1 02 kind: ReplicationController 03 metadata: 04 name: nginx 05 spec: 06 replicas: 3 07 selector: 08 app: nginx 09
28%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
such as containers. In native cloud environments, Prometheus [3], with its time series database approach, has therefore blossomed into an indispensable tool. The software is related to the Kubernetes [4] container
28%
SSH Administration – Windows in a Unix World
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Gino Santa Maria, 123RF.com
with ; or \g. 03 Your MySQL connection id is 3 to server version 5.0.22 01 Type 'help;' or '\h' for help. Type '\c' to clear the buffer. 01 mysql> Your connection to the MySQL server on the remote Unix
28%
Server administration with Cockpit
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Photo by Joshua J. Cotten on Unsplash
at the blog [3] reveals that new versions of Cockpit are released approximately every two weeks. In an article from 2015 [4], ADMIN looked into the topic of managing Linux servers with Cockpit; since then
28%
Trivy security scanner
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Lead Image © MPower, photocase.com
(NIST) National Vulnerability [2] or the Aqua Vulnerability [3] database. Figure 1: An image scan with Trivy generates a long list of vulnerabilities
28%
Exploring the filesystem that knows everything
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
Lucy Baldwin, 123RF
details as well [3]. The files in the Linux /proc directory also have a pleasingly hackable penchant for being directly readable as plain text, as opposed to more binary-centric proc implementations
28%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
/state/log" 05 dumpuser "amanda" 06 labelstr "MyData[0-9][0-9]" 07 autolabel "MyData%%" EMPTY VOLUME_ERROR 08 tpchanger "chg-disk:/amanda/vtapes" 09 tapecycle 4 10 dumpcycle 3 days 11 amrecover_changer "changer
28%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
client requests (1) in the auth.log file (2). Then sshguard (3) monitors the file and creates a firewall rule (4) that blocks the client (5) if it notices to many login attempts. If the attacker ... 3
28%
PowerDNS Authoritative server high availability with MariaDB Galera
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Sergey Nivens, 123RF.com
A quick edit of your pristine MariaDB server's configuration file /etc/my.cnf.d/server.cnf (1) binds the MariaDB service to the localhost and (2) connects and (3) creates the database: Bind-address = 127
28%
Password protection with Phpass
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Michael Moeller, fotolia.com
a multiple layer strategy. It initially tries to use the far more secure Bcrypt [3], which in turn is based on the Blowfish method. If Bcrypt isn't available, Phpass uses the Extended DES method. And if you

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