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17%
Automation with PXE Boot
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Sergey Jarochkin, 123RF.com
like that shown in Listing 1. Listing 1 Check TFTPD [root@infra xinetd.d]# lsof -i :69 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME xinetd 1606 root 5u IPv4 10816 0t0
17%
Look for file changes and kick off actions with Watchman
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © leksele, 123RF.com
'*.css' \ -I '*' -- /usr/local/sbin/sync.sh The -X excludes a pattern and -I includes a pattern. For a full accounting of pattern syntax, please refer to the Watchman website [4]. When a new
17%
Tune your databases
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Altomedia, 123RF.com
either PostgreSQL [3] or MongoDB [4]. Monitoring Performance Now that the client is feeding data from the database server to PMM, it's time to log in to the monitoring server and use it to optimize
17%
Open source calendar synchronization
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Photo by jason hafso on Unsplash
extension on the desktop [2], and DAVx5 [3] and Etar [4] on the Android device. I did not test the Nextcloud alternative ownCloud [5], but calendar sharing may also work with ownCloud due to its similarity
17%
Identity and access management with OpenIAM
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Chatree Jaiyangyuen, 123rf.com
are interested in trying out OpenIAM, you have two possibilities: the Community and Enterprise versions. The Community version is available for free download on the OpenIAM website [4]. The Enterprise Edition
17%
QUMBU backup and maintenance tool for Microsoft SQL Server
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Alexander Tkach, 123RF.com
, or 2019 System requirements * Processor: 2GHz or faster   * Memory: At least 4GB of RAM   * Disk space: At least 1GB of free hard drive space
17%
JMeter tests loads and measures performance of static and dynamic resources
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by CHUTTERSNAP on Unsplash
allows you to set up the base information for each HTTP request. These values are used when the corresponding field in a normal HTTP request is left blank. These defaults (Figure 4) mean you can leave
17%
High Availability without Pacemaker
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © madpixblue, 123RF.com
pool on the other gives admins a complete firewall/router in a high-availability design without the disadvantages of Pacemaker. Variant 4: Database High Availability with Galera Galera is sort
17%
Nagios Passive Checks
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Lisa Young, 123RF.com
00:00-24:00 11 } The template notify_24h_24x7 (Listing 4) defines notification behavior, and notify_24h_24x7 tells Nagios how to behave in the case of a state change (i.e., the script exits
17%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
which is a quick way of checking ports that are currently open. The output in my case is shown in Listing 1. As you can see, I have two instances of sshd: one faithfully listening on all iPv4 IP addresses

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