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43%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
/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
43%
Compressed Archives for User Projects
11.08.2025
Home »  Articles  » 
will use that in a bit. Listing 1: Check Directory Content $ ls -lstar total 62310 31150 drwxrwxr-x  0 laytonjb laytonjb 31897275 Dec 31  1969 DATA1 31152 -rw-rw-r--  1 laytonjb laytonjb 31897275 Aug  2
43%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kheng Ho Toh, 123RF.com
, 50GB of memory, and a 1Gb NIC. However, the CPU must be a 64-bit system with a mandatory virtualization extension: either AMD-V or Intel VT. In contrast to RHEV 2.2, RHEV 3 is no longer based on RHEL
43%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
| 355 | 18 |* 3 | INDEX RANGE SCAN | SALES_DATE | | 26 | 19 | 4 | TABLE ACCESS FULL | EMPLOYEES | 9M | 478 | 20
43%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
Since the Linux kernel 2.6.20 release in February 2007, the Kernel-Based Virtual Machine, KVM [1], has made much progress in its mission to oust other virtualization solutions from the market. KVM
43%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
_copied=copy_to_user(user,hello_world,to_copy); 19 return to_copy-not_copied; 20 } 21 22 static struct file_operations fops = { 23 .owner= THIS_MODULE, 24 .read= driver_read, 25 }; 26 27 static int __init mod_init( void ) 28 { 29
43%
vSphere 5 vs. XenServer 6
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kozinia, 123RF.com
]. Figure 1: Market share (%) of primary hypervisors in the US and UK 2011Q2. (Source: V-index [1]) XenServer 6 Vendor: Citrix [3]. Type: x86 hypervisor for virtual machines with almost any
43%
Taking that Unix and Linux feeling tothe Windows desktop with MobaXterm
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Henner Damke, 123RF.com
An X server running on Windows is interesting to two user groups. For Linux administrators who occasionally use a Windows computer, it provides an easy way to manage the Windows computer with Linux ... MobaXterm, a portable X server for Windows, bundles built-in Unix/Posix tools into a single portable EXE file, letting you use a Linux command line and tools on the Windows desktop.
43%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
virtual webs.test.com { 15 active = 1 16 address = 192.168.1.250 eth0:0 17 vip_nmask = 255.255.255.0 18 port = 80 19 send = "GET / HTTP/1.0\r\n\r\n" 20 expect = "HTTP" 21
43%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
"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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