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15%
Virtual switching with Open vSwitch
30.11.2025
Home »  CloudAge  »  Articles  » 
rustycarr, 123RF
want to downgrade to RHEL 5. Listing 2 Bridge Management 01 [root@kvm1 ~]# brctl show 02 bridge name bridge id STP enabled interfaces 03 extern0 0000.00304879668c
15%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
as follows: Kilobits are referred to as Kbit. Megabits are referred to as Mbit. Gigabits are referred to as Gbit. tc qdisc del dev $DEV root Next, I'll install a qdisc. qdisc
15%
Configuring the JBoss application server
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
HONGQI ZHANG, 123RF.com
environment, make sure the JAVA_HOME variable points to the Java root directory (Listing 1). Listing 1 Java Environment 01 # export JAVA_HOME=/usr/lib/jvm/jre-1.6.0-openjdk 02 # echo $JAVA
15%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Shariff Che'Lah, 123RF.com
involved and restart a daemon, remove block files, or even reboot the whole system. Because you should avoid running this kind of script as root, you can instead set up special users and groups to own
15%
Introduction to LVM
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Dvarg, 123RF.com
(or SSDs, LVM doesn't mind which) of 100GB each. They are named /dev/sda and /dev/sdb. Three partitions exist on /dev/sda; the first of them, sda1, is used as the swap area and is just 5GB. The root
15%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
systems, a program that wants to open a well-known port has to run with root privileges; this explains why ports 0 through 1023 are often referred to as privileged ports . Ports 1024 through 49
15%
Web applications with Julia
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © sony sivanandan, 123RF.com
of accomplishing this added security is to confine the Julia process on the server to some type of virtual environment, such as a container from which it is impossible to see the machine's root filesystem. The use
15%
The latest developments in Open-Xchange 6.20
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Robert Byron, Fotolia.com
&1, for example, will be familiar with the software under the name of 1&1 Webmail and 1&1 MailXchange. On top of the 2.5 million 1&1 customers, another 1.4 million users with Host Europe, and 40,000 root and v
15%
Run rootless Podman containers as  systemd services
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Photo by Geeky Shots on Unsplash
faster. Moreover, Podman defaults to running rootless containers, with ordinary user instead of root privileges. SELinux integration is also standard in distributions that support it. Overall, a server
15%
Securing email communication with GnuPG
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Amol Tyagi on Unsplash_Key.jpg
an empty file as a hint for the clients: touch /var/www/virtual/example.org/ .well-known/openpgpkey/policy Make sure you change the path to the DocumentRoot directory to suit your environment. Next

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