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10%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
client requests (1) in the auth.log file (2). Then sshguard (3) monitors the file and creates a firewall rule (4) that blocks the client (5) if it notices to many login attempts. If the attacker
10%
Tools for troubleshooting the network
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Photographer, 123RF.com
Industries (Figure 1) include wire testing. In the setup, you can select different wiring schemas from CAT5e through UTP, CAT 7, STP, and Coax RJ59. One end of the cable is connected with the Lan
10%
Touring SUSE's new cloud product
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
's Manager product (Figure 5) is designed to make it easier for administrators to manage existing systems, with support for remotely controlled updates and the ability to log runtime information. The feature
10%
News
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
 
) is a Cray XT5-HE system called Jaguar. It is installed at the Oak Ridge National Laboratory, Tennessee, and has a 1.75-petaflop performance benchmark. Other top US systems include: Cielo, a Cray XE6 at Los
10%
RAM revealed
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© KrishnaKumar Sivaraman, 123RF.com
240 240 Still unknown Operating voltage (V) 2.5 1.8 1.5 (DDR3L: 1.35; DDR3U: 1.25) 1.2 Chip (I/O clock frequency, MHz) DDR-200 (100)DDR-266
10%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Tormod Rossavik, 123RF.com
#auto eth0 06 #iface eth0 inet dhcp 07 auto br0 08 iface br0 inet dhcp 09 bridge_ports eth0 10 bridge_stp off 11 bridge_maxwait 5 12 post-up /usr/sbin/brctl setfd br0 0 Next, create a directory
10%
Convenient graphical remote control
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Thor Jorgen Udvang, 123RF.com
provides a variant for Linux in version 5. Teamviewer facilitates remote access to other computers across a network. The only requirement is that the machine at the other end is also running Teamviewer
10%
Building a custom Cyberdeck
07.10.2025
Home »  Archive  »  2025  »  Issue 89: Autom...  » 
Lead Image © Lucy Baldwin, 123RF.com
of the Raspberry Pi 5 itself (Figure 2). These machines feature the hardware of the corresponding single-board computer (SBC), laid out in a custom board designed for better thermal behavior in the closed
10%
Dynamic routing in Linux with Quagga
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© petrol, 123RF.com
], Open Shortest Path First (OSPF) [5] [6], Border Gateway Protocol (BGP) [7], and Intermediate System to Intermediate System (IS-IS) [8] – and it modifies the kernel routing table on the routes it learns
10%
Managing computers with Rex
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Stanislav Rishnyak, 123RF.com
computers running the Linux distributions CentOS 5 and 6, Debian 5 and 6, Fedora, Gentoo, Mageia, openSUSE, RHEL 5 and 6, Scientific Linux, and Ubuntu 10.04, 11.04, and 12.04. Additionally, it can handle

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