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SSH Administration – Windows in a Unix World

30.11.2025

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

| 14 | .. . o . | 15 | . . . . | 16 | . o o . | 17 | S + o o | 18 | o. E o .| 19 | o.o o| 20 | .+.....| 21 | .. +o..o| 22

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Managing virtual machines

30.11.2025

Home » Archive » 2012 » Issue 09: Windo... »

-net.rules -e "s/$oldmac/$newmac/" 19 virt-edit $vmname /etc/sysconfig/network -e "s/vm1/$vmname/" 20 21 echo $newid >> vm-list.txt 22 23 echo "cloning finished, starting vm" 24 virsh start $vmname

43%

Give your servers the once over with Nmap

31.10.2025

Home » Archive » 2012 » Issue 11: Cloud... »

.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp

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Dispatches from the world of IT

30.11.2025

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

started pushing its 64-bit Itanium line, some journalist wags dubbed it the "Itanic" because it failed to get the kind of market support Intel had hoped for – whereas AMD's 64-bit line of x86 chips caught

43%

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

43%

Linux small business servers compared

31.10.2025

Home » Archive » 2012 » Issue 11: Cloud... »

. Unfortunately, version 2.2, available since September 2011, is no longer up to date as far as software packages are concerned, which in some cases could lead to weaknesses in security. Version 2.2 runs on top

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Boost performance of your Python programs

30.11.2025

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

oc.close() 20 21 if '__main__' == __name__: 22 23 uicores = cpu_count() 24 olck = Lock() 25 26 oque = Queue() 27 op, oc = Pipe() 28 29 for ui in xrange(1, 2*uicores): 30

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Targeted defense against brute force attacks

30.11.2025

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

, most likely, (3/2) x 15 seconds. Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line sshguard -l /var/log/auth.log -s 20 instructs sshguard

43%

Monitoring network computers with the Icinga Nagios fork

30.11.2025

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

notification_interval 60 16 notification_options d 17 } 18 19 # Fileserver 20 define host{ 21 host_name fileserver 22 alias Fileserver 23

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Fast system management from Puppet Labs

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

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