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30.11.2025

Home » Archive » 2025 » Issue 90 VoIP N... »

Rubén Llorente ... : https://www.openeuler.org/en/migration/download/ The Author Rubén Llorente is a mechanical engineer whose job is to ensure

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Featuring Fedora!

30.11.2025

Home » Archive » 2011 » Issue 4: Secure... »

This issue's Admin magazine DVD spotlights Fedora 15 with two desktops and two architectures. From the custom boot menu, choose the Gnome or KDE desktop. The isolinux bootloader will detect a 64-bit ... Fedora 15 Multiboot

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Welcome

30.11.2025

Home » Archive » 2025 » Issue 90 VoIP N... »

It's difficult to believe that this year is the 15th anniversay of ADMIN. I've written for almost every issue and am pleased to be involved. I still remember in 2010 when Editor in Chief Joe Casad ... Ken looks back at 15 years of ADMIN

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A first look at Apache 2.4: Web server for the cloud

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

) as a reverse proxy. Although Apache is already being used in this way by quite a few organizations, it's clear that the 2.2 series is not optimized for that use case, which is one reason why Nginx is seeing ... High performance and cloud suitability are the thrust of Apache 2.4. We give you the lowdown on transitioning your Apache HTTP Server from 2.2 to 2.4.

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Monitoring daemons with shell tools

30.11.2025

Home » Archive » 2010 » Issue 1: System... »

is not accessible! ****************" >> dba.log 15 /usr/local/etc/rc.d/002pgsql.sh start 16 sleep 15 17 psql -U monitor -d monitor -c "select * from watch;" 18 19 if [ $? -eq 0 ]; 20 21 then 22

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Strategies for routing voice calls around a firewall

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

and then rewrites the Contact header to contain the publicly reachable NAT gateway socket. Listing 3 shows an Invite request that has been modified by the SIP proxy: 18.17.16.15 is the gateway's public address; 20.22

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Data acquisition with shell tools

30.11.2025

Home » Archive » 2010 » Issue 2: Backup... »

# If the line already exists .... 13 if [ $back -eq 0 ]; 14 then 15 echo "############### Line already exists! #############" 16 grep $keyfield $newdat 17 echo

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ARP cache poisoning and packet sniffing

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

Destination MAC address Listing 1 Nemesis arp Packets 01 $ while true 02 > do 03 > sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2

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Using Expect scripts to automate tasks

31.10.2025

Home » Archive » 2012 » Issue 12: NAS S... »

14 expect -exact "$ " 15 send -- "ssh aspen\r" 16 expect -exact "password: " 17 send -- "PASSWORD\r" 18 expect -exact "$ " 19 send -- "ps -ef|grep apache\r" 20 expect -exact "$ " 21 send -- "exit\r" 22

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Targeted defense against brute force attacks

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

, although it is the older version 1.4; you can get the improved 1.5 version from the sshguard website [2]. When this magazine went to press, the latest version was a release candidate, but the final version

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