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19%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
= DeltaCloud.new(USER, PASSWORD, URL) 05 summary = Hash.new(0) 06 state = client.instances.inject({}) do |state, inst| 07 state[inst.id] = inst.state 08 summary[inst.state] += 1 09 state 10 end 11
19%
Professional backup solutions compared
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Kamil Macniak, 123RF
server. The RAID system's controller supports RAID 0, 1, 5, 10, or JBOD. Old Friends The other criteria for the comparison tables (Tables 1 through 4) are mainly old friends. Besides basic details
19%
Even benchmarks can be easy to handle
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
stress --cpu 2 stress: info: [3855] dispatching hogs: 2 cpu, 0 io, 0 vm, 0 hdd ^C real 0m53.820s user 0m47.143s sys 0m0.000s This load is enough to take the program's share of the CPU to 98
19%
Get the best out of your bandwidth with tc
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Russell Shively, 123RF.com
these servers send more information out to the Internet than they receive (like a typical web server). I'm going to assume that, in this case, the Internet-facing network interface is eth0. In other words, when
19%
Workshop: Getting web and mail servers ready for IPv6
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© suze, Photocase.com
to separate IP addresses in its configuration. That means you need to define a different separator – the new separator follows the option with the angled brackets: hostlist relay_from_hosts = <; 85.214.7.0
19%
Monitoring virtualization environments with Nagios and Icinga
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Sergej Khackimullin, 123RF
CPU PROCESS/NLWP # 173 daemon 17M 11M sleep 59 0 3:18:42 0.2% rcapd/1 # 17676 apl 6916K 3468K cpu4 59 0 0:00:00 0.1% prstat/1 # ... # ZONEID NPROC SWAP RSS MEMORY TIME
19%
Igel thin clients
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dana Bartekoske, 123RF
. To automate this process on a Windows DHCP server, you can use the netsh command. To create a new reservation, just issue the following: netsh dhcp server scope 10.10.0.0 add reservedip 10.10.47.11 00E0C0E0B0B
19%
Tuning your filesystem's cache
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
. Vmtouch comes to the rescue with its most powerful option: -dl, for "daemonize and lock." Listing 1 Vmtouch Gzip Example 01 $ ./vmtouch /bin/gzip 02 Files: 1 03 Directories: 0 04
19%
Check your VoIP networks with SIPVicious and sngrep
30.11.2025
Home »  Archive  »  2025  »  Issue 90 VoIP N...  » 
Photo by Quino Al on Unsplash
are missing, potential causes include invisible SIP traffic, incorrect selection of the network interface, or missing permissions. Your first step is to check whether SIP traffic exists sudo tcpdump -i eth0
19%
Cgroups for resource management in Linux
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Photographer, 123RF.com
.reset_stats= 04 blkio.io_queued=Total 0 05 blkio.io_merged=Total 0 06 blkio.io_wait_time=Total 0 07 blkio.io_service_time=Total 0 08 blkio.io_serviced=Total 0 09 blkio.io_service_bytes=Total 0 10

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