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44%
To syslog or not to syslog
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Zsolt Biczo, 123RF.com
and no longer meets today's requirements in a useful way. So, it's time for a successor, which has actually existed for quite some time in the form of Upstart. Upstart is to a great extent downwardly compatible
44%
Virt-builder generates VM images in a flash
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Petris, fotolia.com
. Figure 1: Virt-builder displays a list of the Linux systems it can install. Unfortunately, however, you can't actually build an image at this point, because you still need the appropriate templates
44%
News for Admins
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
 
of the SMTP message. Once exploited, the actor could execute the code of their choosing. The particular vulnerability being exploited was actually patched on June 5, 2019 (CVE-2019-10149), but not all Linux
44%
Enlarging the TCP initial window
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Jani Brumat on Unsplash
on normal websites. For very large files (e.g., when streaming HD movies), however, latency is not so important, because bandwidth actually counts. In 2013, RFC 6928 [2] increased the IW, from between 2
44%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
of processes. A fork bomb [6] spawns so many processes so quickly that it often results in a denial-of-service attack against the machine it is running on. Once a fork bomb has been launched, it might actually
44%
A REST interface for FreeIPA
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © P.Gudella, 123RF.com
://$IPAHOSTNAME/ipa/session/login_password fi fi # Call to actual method curl -v \ -H referer:https://$IPAHOSTNAME/ipa \ -H "Content-Type:application/json" \ -H "Accept:applicaton/json" \ -c $COOKIEJAR -b $COOKIEJAR
44%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
to the actual backups, you have, for example, the logs, all of which you could group below /amanda. However, it is better to create a separate subdirectory in each case. The log data would end up in /amanda
44%
News for Admins
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
to stop production." But the lack of a known cause could have a long-lasting impact on the trust of Samsung's customers. If Samsung had managed to carry out the recall correctly and identified the actual
44%
Systemd network management and container handling
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Kritiya Sumpun, 123RF.com
@Fedora-Cloud-Base-22-20150521 ~]# The fact that the generated container actual does use its own namespaces can be easily confirmed by taking a look at the /proc/self/ns/ inside the container and on the host
44%
Protect yourself from infected MS Office files
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © wamsler, 123RF.com
, the following well-known vulnerabilities were exploited for this purpose: CVE-2012-0158, CVE-2013-3906, CVE-2014-1761 (Figure 1). Today, however, an exploit that Microsoft actually closed in April 2015 (CVE-2015

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