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84%
Managing virtual machines
30.11.2025
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»
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 $vmname
83%
Targeted defense against brute force attacks
30.11.2025
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»
Archive
»
2011
»
Issue 3: Are yo...
»
, most likely, (
3
/2)
x
15 seconds. Finally, -s defines the number of seconds to wait before sshguard "forgets" the attacker's IP address. The line sshguard -l /var/log/auth.log -s
20
instructs sshguard ...
3
83%
Using Expect scripts to automate tasks
31.10.2025
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2012
»
Issue 12: NAS S...
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14 expect -exact "$ " 15 send -- "ssh aspen\r" 16 expect -exact "password: " 17 send -- "PASSWORD\r" 18 expect -exact "$ " 19 send -- "ps -ef|grep apache\r"
20
expect -exact "$ " 21 send -- "exit\r"
22
83%
Monitor your nodes with collectl
30.11.2025
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2012
»
Issue 09: Windo...
»
: 1331404720 TZ: -0500
09
# SubSys: bcdfijmnstYZCD Options: cz Interval: 10:60 NumCPUs: 4 NumBud:
3
Flags: ix 10 # Filters: NfsFilt: EnvFilt: 11 # HZ: 100 Arch:
x
86_64-linux-thread-multi PageSize: 4096 12 # Cpu
83%
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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or newer. Python programmers need to use version 2.5; the SDK and the environment on the Google servers do not support the current Python
3
.0. The SDK for Go exists at the moment only for Linux and Mac OS
X
83%
High availability clustering on a budget with KVM
30.11.2025
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2010
»
Issue 0: Active...
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/sda
20
Account information: 21 ACL information:
22
ALL Network Bonding To prevent the network cards and thus the connection to the cluster and storage network from becoming a single
83%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
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2010
»
Issue 2: Backup...
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: tscherf@TUXGEEK.DE 15 SASL SSF: 56 16 SASL data security layer installed. 17 dn: uid=TScherf,ou=People,dc=tuxgeek, dc=de 18 givenName: Thorsten 19 sn: Scherf
20
loginShell: /bin/bash 21 uidNumber: 9999
22
83%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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2010
»
Issue 0: Active...
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: 1487680 0 IO-APIC-fasteoi uhci_hcd:usb
3
14
22
: 22998855 0 IO-APIC-fasteoi psb@pci:0000:00:02.0 15 23: 3084145 0 IO-APIC-fasteoi hda_intel 16 24: 1 0
82%
Server virtualization with Citrix XenServer
30.11.2025
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2010
»
Issue 2: Backup...
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/** 16 * @param args 17 */ 18 public static void main(String[] args) throws Exception { 19
20
if (args.length !=
3
&& args.length != 5) 21 {
22
System
81%
A standard cloud computing API
30.11.2025
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Archive
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2011
»
Issue 6: Perfor...
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"Polling for changes (Ctrl-C to end)" 17 loop do 18 sleep 2 19 client.instances.each do |inst|
20
if state[inst.id] != inst.state 21 if state[inst.id]
22
puts "#{inst.id} changed from
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