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High availability clustering on a budget with KVM

30.11.2025

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

06 I_T nexus information: 07 LUN information: 08 LUN: 0 09 Type: controller 10 SCSI ID: deadbeaf1:0 11 SCSI SN: beaf10 12 Size: 0 13

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The Swiss Army knife of fault management

30.11.2025

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

07 08 09 10 11

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Touring the top Knoppix debugging and rescue tools

30.11.2025

Home » 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

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An IT nomad's daily diary

30.11.2025

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

("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

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Password protection with Phpass

30.11.2025

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

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

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Checking password complexity with John the Ripper

30.11.2025

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

/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

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Debugging the Linux kernel with the Qemu emulator

30.11.2025

Home » Archive » 2012 » Issue 07: Xen v... »

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

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SSH Administration – Windows in a Unix World

30.11.2025

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

with ; or \g. 03 Your MySQL connection id is 3 to server version 5.0.22 01 Type 'help;' or '\h' for help. Type '\c' to clear the buffer. 01 mysql> Your connection to the MySQL server on the remote Unix

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Server virtualization with Citrix XenServer

30.11.2025

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

.Xensource.xenapi.Connection; 07 import com.Xensource.xenapi.Host; 08 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

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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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