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13%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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Archive
»
2010
»
Issue 0: Active...
»
="4096"
12
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 20 offset=0 21
22
while [ "$offset" -lt "$final_offset" ]; do
13%
Managing virtual machines
30.11.2025
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Archive
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2012
»
Issue 09: Windo...
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the script results. Listing 1 clone-vm 01 #!/bin/sh 02 03 export LIBVIRT_DEFAULT_URI=qemu:///system 04 05 lastid=$(tail -1 vm-list.txt) 06 newid=$(($lastid+1)) 07 vmname=vm$newid
08
echo
13%
Server virtualization with VirtualBox
30.11.2025
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Archive
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2012
»
Issue 10: Traff...
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. Listing 1 Installing the Extension Pack $ vboxmanage -v 4.1.
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r77245 $ wget http://download.virtualbox.org/virtualbox/4.1.
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/Oracle_VM_Virtualbox_Extension_Pack-4.1.
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-77245.vbox-extpack $ sudo
13%
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
12
clean: 13 rm -rf *.ko *.o *.mod.c *.mod.o modules.order 14 rm -rf Module.symvers .*.cmd .tmp
13%
Password protection with Phpass
30.11.2025
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Archive
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2011
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Issue 5: Pen Te...
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doesn't just contain the hash itself; it also contains all the additional information that Phpass meets later to verify the password: $2a$
08
$zEIaPFIg... The two characters that follow the first dollar
13%
Checking password complexity with John the Ripper
30.11.2025
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Archive
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2011
»
Issue 6: Perfor...
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/64 BS]... DONE 07 Many salts: 45898 c/s real, 45898 c/s virtual
08
Only one salt: 45108 c/s real, 45186 c/s virtual 09 10 Benchmarking: FreeBSD MD5 [32/64 X2]... DONE 11 Raw: 10995 c/s real, 10995
13%
An IT nomad's daily diary
30.11.2025
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Archive
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2011
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Issue 6: Perfor...
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("http://spacewalk.tuxgeek.de/cobbler_api") 06 token = conn.login(user, password) 07
08
cblr_systems = '/root/cobbler.csv' 09 10 if os.access(cblr_systems, os.F_OK): 11 print "Reading system configuration file %s" % cblr_systems
12
13%
Server virtualization with Citrix XenServer
30.11.2025
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Archive
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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;
12
13 public class TestAPI { 14 15
13%
Julia: A new language for technical computing
30.11.2025
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2012
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Issue 10: Traff...
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.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54
22
.07 8.
12
rand_mat_mul 1.00 1.18 0.70 1.65 8
13%
Monitor your nodes with collectl
30.11.2025
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Archive
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2012
»
Issue 09: Windo...
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:sda]RKBytes [DSK:sda]Writes 21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util
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20120310 13:39:10 sdb 0 0 0 2 4 24
12
0
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2 0 sda 0 0 0 0 0 0 0 0 0 0
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