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9%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
10 11 12 13 14 15 16
9%
Protecting web servers with ModSecurity
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© KrishnaKumar Sivaraman, 123RF.com
://www.un.org/apps/news/infocus/sgspeeches/ "Apache ModSecurity with GeoIP blocking country specific traffic: ModSecurity + GeoIP" by Suvabrata Mukherjee: http://linuxhelp123.wordpress.com/2008/12/11/apache The Author Sebastian
9%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
the file sizes (converted to and labeled GB), separating the two items of information with a tab. Invoking this script for user chavez yields: chavez 12.12537GB Such commands are often useful in loops
9%
Reading email in the browser with Horde
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
©Daniel Villeneuve, 123RF.com
, 09 'protocol' => 'imap', 10 'port' => 143, 11 // Plaintext logins are disabled by default on 12 // IMAP servers (see RFC 3501 [6.2.3]) 13 'secure' => 'tls', 14 'maildomain
9%
Warding off the rise of VoIP spam
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Izaokas Sapiro, 123RF.com
=> _.,n,GotoIf($[${usercaptcha} == ${captcha}]?correct:wrong) 10 exten => _.,n(wrong),Playback(privacy-incorrect) 11 exten => _.,n,HangUp() 12 exten => _.,n(correct),agi,addwhitelist.sh|${CALLERID(all)} 13
9%
Modern MySQL Forks and Patches
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Dmitry Karasew, 123RF.com
replication mechanisms. One feature that stands out is the ability to perform rabbit replication to NoSQL databases such as Voldemort [12] or services such as Memcached [13]; thus, you would be able
9%
Operating system virtualization with OpenVZ
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© sculpies, Fotolia.com
.g., for migrating over secure connections). The exact syntax and other examples of applications are discussed [12]. Additionally, OpenVZ can create what it refers to as checkpoints (snapshots) of VEs: A checkpoint
9%
Open source multipoint VPN with VyOS
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Photo by Damon Lam on Unsplash
tunnel knows how to do strong encryption. Pick AES and a 256-bit key for the best security. The strongest form of authentication in VyOS for DMVPN is a pre-shared key, and it is best to build a key out
9%
Automation with Ansible
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Wavebreak Media Ltd, 123RF.com
-playbook \ -i inventories/hosts.baremetal \ --vault-password-file ~/.vaultpass \ --ask-sudo-pass site.yml The vault file itself can be checked into version management without any problems; it is AES256
9%
Backup tools to save you time and money
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Melissa King, 123RF.com
. Also, you can encrypt the archives with either AES 128 or AES 256. One aspect I liked was the ability to drop directories from the file explorer directly into Areca. The Areca forum has relatively low

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