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  • [x] Creation time: Last year
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  • Article (Print) (93)
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7%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
in a specified city. Listing 1 Display Date and Time 01 if [ "$1" = "" ]; then 02 echo "City name required." 03 exit 04 fi 05 city=`echo $1 | sed -e 's/ /_/g'` 06 z=`find /usr
7%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
$ # 6 74 13G 3273M 10% 16:51:18 0.0% refdb1 $ # Total: 207 processes, 709 lwps, load averages: 0.05, 0.06, 0.11$ The output from prstat -Z gives the administrator
7%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
for small and medium-sized setups in the form of Easy RSA, and this tool is fine for test purposes. Admins who need larger PKIs can turn to tools like OpenCA [6] or outsource the task to a service provider
7%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
/sysconfig/network-scripts/ifcfg-eth0: DEVICE=eth0 HWADDR=00:16:76:D6:C9:45 ONBOOT=yes SLAVE=yes USERCTL=no Master=bond1 /etc/sysconfig/network-scripts/ifcfg-eth1: DEVICE=eth0 HWADDR=00:16:76:D6:C9:45 ONBOOT=yes SLAVE=yes USERCTL
7%
Flexible user authentication with PAM
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Ana Vasileva, Fotolia.com
but from a directory service. This task can be simplified by deploying PAM [1]. Modular Authentication Originally developed in the mid-1990s by Sun Microsystems, PAM is available on most Unix-style systems
7%
Shell scripts: Equal rights for Unix derivatives and Linux
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Mike Flippo, 123RF
the target host once. In order to ping continuously, as on Linux, you will need to specify the -s option. Listing 2 Ping on Solaris # uname -sr SunOS 5.10 # ping server server is alive # ping -s
7%
Professional backup solutions compared
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Kamil Macniak, 123RF
) with 12 Serial ATA disks, a 320 UW SCSI controller for the host connection, and 512MB cache. I configured various disk groups and logical volumes on this powerful hardware and exported them to the backup
7%
Strategies for routing voice calls around a firewall
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
gnohz, 123RF.com
: 09 Content-Type: application/sdp 10 Content-Length: 142 11 12 v=0 13 o=alice 53655765 2353687637 IN IP4 pc33.atlanta.com 14 s=- 15 t=0 0 16 c=IN IP4 pc33.atlanta.com 17
6%
What tools do intruders use to
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Wojciech Kaczkowski, 123RF.com
, name servers, and network hosts accessible through the Internet. The popular whois service also offers a means for discovering domain information. The Nmap scanner's -sL option (nmap -sL) performs
6%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
backup_active = 1 05 backup = 192.168.1.232 06 heartbeat = 1 07 heartbeat_port = 539 08 keepalive = 6 09 deadtime = 18 10 network = direct 11 debug_level = NONE 12 monitor_links = 1 13 syncdaemon = 1 14

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