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88%
Boost performance of your Python programs
30.11.2025
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Archive
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2010
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Issue 2: Backup...
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oc.close()
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21 if '__main__' == __name__:
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23 uicores = cpu_count() 24 olck = Lock()
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26 oque = Queue() 27 op, oc = Pipe() 28 29 for ui in xrange(1, 2*uicores): 30
87%
Monitor your nodes with collectl
30.11.2025
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2012
»
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
87%
Virtualization via Zones
30.11.2025
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2010
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Issue 0: Active...
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1 21
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Configure Kerberos Security: No 23 24 Name service: DNS
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26 Domain name: blah.com 27 28 Server's IP Address: 192.168.1.254 29 30 Use NFSv4: Yes 31 32 Continents and Oceans: Americas 33 34
86%
Securing email communication with GnuPG
07.10.2025
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2025
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Issue 89: Autom...
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output similar to ed25519
2022
-08-29 [SC] [expires: 2027-08-
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] uid [ultimate] Name name@example.org updgef8corpy81hia1rhd8npqiti6nzf @example.org In the output you will see a 32-character string
86%
The Swiss Army knife of fault management
30.11.2025
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2011
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Issue 5: Pen Te...
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="walk" value="true"/>
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86%
An IT nomad's diary
30.11.2025
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2011
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Issue 5: Pen Te...
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-tuxgeek.rhcloud.com,174.129.129.190' (RSA) to the list of known hosts.
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Enter passphrase for key '/home/tscherf/.ssh/libra_id_rsa': 21 Confirming application spaceuploader is available
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Attempt # 1 23 24 Success
86%
Server virtualization with Citrix XenServer
30.11.2025
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2010
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Issue 2: Backup...
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/** 16 * @param args 17 */ 18 public static void main(String[] args) throws Exception { 19
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if (args.length != 3 && args.length != 5) 21 {
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System
86%
Expand your sphere with a piece of Google
30.11.2025
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2011
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Issue 4: Secure...
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="**/*.jar" />
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86%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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2012
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Issue 07: Xen v...
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_copied=copy_to_user(user,hello_world,to_copy); 19 return to_copy-not_copied;
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} 21
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static struct file_operations fops = { 23 .owner= THIS_MODULE, 24 .read= driver_read,
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}; 26 27 static int __init mod_init( void ) 28 { 29
85%
Managing virtual machines
30.11.2025
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2012
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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
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