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9%
Identify troublesome energy consumers with PowerTOP
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Elena Elisseeva, 123RF.com
version 2.6.23. To check your system, you can enter the command: uname -r. You'll be on the safe side as of openSUSE 11.0 and Ubuntu 8.04. Additionally, your kernel needs to enable support for dynamic
9%
Server validation with Goss
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Ewa Walicka, fotolia.com
or at the Linux command line: curl --location --output /usr/bin/goss https://github.com/goss-org/goss/releases/download/v0.4.9/goss-linux-amd64 chmod +x /usr/bin/goss The process is similar in Windows, where
9%
Filtering email with Sieve
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© radist777, 123RF.com
of Ubuntu, 10.04 (Lucid Lynx), which comes with Postfix 2.7 and Dovecot 1.2. In the following example, both components should be installed and functional, and the individual user accounts should come from
9%
Free backup tool for data centers
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© andresr, fotolia.com
Password = "YdhKKoy2Huq1CVHwIR" 05 Pid Directory = "/var/run" 06 Query File = "/usr/lib/bacula/query.sql" 07 Working Directory = "/var/lib/bacula" 08 } 09 10 Fileset { 11 Name = "Full Set" 12
9%
Exploring Nmap's scripting engine
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
.have_ssl() then 11 return false 12 end 13 return true 14 end The portrule in Listing 2 creates the variables svc.std and svc.ssl as associative arrays (lines 2 and 3) and then checks to see
9%
Enforce secure workstation configurations
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Photo by Barnabas Piper on Unsplash
': 07 ensure => running, 08 enable => true, 09 hasrestart => true, 10 require => Package['openssh-server'], 11 } 12 13 augeas { 'Set SSH Protocol to 2': 14 context
9%
Securing email communication with GnuPG
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Photo by Amol Tyagi on Unsplash_Key.jpg
) provides a simple and secure way to make public keys for email addresses available over HTTPS. The underlying standard was first implemented in GnuPG version 2.1.12 and has been enabled by default since
9%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
with Linux Debian 5.0.7, Ubuntu 10.10, and openSUSE 11.3. If you don't use Linux, check out the "Other Operating Systems" box. Other Operating Systems If you do not use Linux, you'll need to find out
9%
Practical SELinux
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Pavel Ignatov, 123RF.com
login -l | grep linus linus xguest_u s0 This means my son can log in like before; however, his account is now mapped by SELinux to the xguest user: $ id -Z xguest_u:xguest_r:xguest_t:s0 Access
9%
Remote VMware console without a browser
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Julia Burlachenko, 123RF.com
). Listing 1 Browser Plugins for VMware Server 2.0 $ pwd /usr/lib/vmware/webAccess/tomcat/apache-tomcat-6.0.16/webapps/ui/plugin $ ls build_doNotErase.txt vmware-vmrc-linux-x64.xpi vmware

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