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14%
The Swiss Army knife of fault management
30.11.2025
Home
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Archive
»
2011
»
Issue 5: Pen Te...
»
, to monitoring and controlling complete systems. Identifying Services OpenNMS can automatically identify the services you need to monitor. In versions up to 1.8.
x
, this task is handled by the capabilities daemon
14%
Expand your sphere with a piece of Google
30.11.2025
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Archive
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2011
»
Issue 4: Secure...
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="**/*.jar" />
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23 24
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14%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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Archive
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2012
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Issue 07: Xen v...
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08
default: 09 $(MAKE) -C $(KDIR) M=$(PWD) modules 10 endif 11
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clean: 13 rm -rf *.ko *.o *.mod.c *.mod.o modules.order 14 rm -rf Module.symvers .*.cmd .tmp
14%
Managing virtual machines
30.11.2025
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2012
»
Issue 09: Windo...
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-net.rules -e "s/$oldmac/$newmac/" 19 virt-edit $vmname /etc/sysconfig/network -e "s/vm1/$vmname/"
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21 echo $newid >> vm-list.txt
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23 echo "cloning finished, starting vm" 24 virsh start $vmname
14%
Server virtualization with VirtualBox
30.11.2025
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Archive
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2012
»
Issue 10: Traff...
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, Mac OS
X
, and Solaris), and it supports a wide number of guest systems, including exotics such as DOS/WIN 3.1 and OS/2. Installing VirtualBox is easy on any platform because it usually only involves
14%
Monitor your nodes with collectl
30.11.2025
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2012
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Issue 09: Windo...
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X
4 920 CPU (quad core) 8GB of memory (DDR2-800) The operating system and boot drive are on an IBM DTLA-307020 (
20
GB drive at Ultra ATA/100) /home is on a Seagate ST1360827AS A 64GB Intel
X
14%
High availability clustering on a budget with KVM
30.11.2025
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2010
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Issue 0: Active...
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06 I_T nexus information: 07 LUN information:
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LUN: 0 09 Type: controller 10 SCSI ID: deadbeaf1:0 11 SCSI SN: beaf10
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Size: 0 13
14%
Building a port scanner in Python
28.07.2025
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2025
»
Issue 88: 5 Net...
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in range(start_port, end_port + 1): 18 thread = threading.Thread(target=scan_port, args=(host, port)) 19 thread.start()
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21 if __name__ == "__main__":
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if len(sys.argv) != 4: 23 print
14%
Server virtualization with Citrix XenServer
30.11.2025
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2010
»
Issue 2: Backup...
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.Xensource.xenapi.Connection; 07 import com.Xensource.xenapi.Host;
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import com.Xensource.xenapi.Session; 09 import com.Xensource.xenapi.Task; 10 11 import de.pm.xenserver.utils.Server;
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13 public class TestAPI { 14 15
14%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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2010
»
Issue 0: Active...
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="4096"
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13 # Last offset to try 14 final_offset="$(du -b "$DEV" | cut -f 1)" 15 16 # A free loop device 17 LOOP="/dev/loop2" 18 19 # Start
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offset=0 21
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while [ "$offset" -lt "$final_offset" ]; do
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