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13%
Julia: A new language for technical computing
30.11.2025
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Archive
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2012
»
Issue 10: Traff...
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.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54
22
.07 8.
12
rand_mat_mul 1.00 1.18 0.70 1.65 8
13%
Container and hardware e-virtualization under one roof
30.11.2025
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Archive
»
2010
»
Issue 2: Backup...
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.5-23 05 pve-kernel-2.6.24-11-pve: 2.6.24-23 06 qemu-server: 1.1-16 07 pve-firmware: 1.0-5
08
libpve-storage-perl: 1.0-13 09 vncterm: 0.9-2 10 vzctl: 3.0.23-1pve11 11 vzdump: 1.2-5
12
vzprocps: 2.0.11-1dso2
13%
Monitor your nodes with collectl
30.11.2025
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Archive
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2012
»
Issue 09: Windo...
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:sda]RKBytes [DSK:sda]Writes 21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util
22
20120310 13:39:10 sdb 0 0 0 2 4 24
12
0
12
2 0 sda 0 0 0 0 0 0 0 0 0 0
13%
I/O benchmarks with Fio
30.11.2025
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2011
»
Issue 5: Pen Te...
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the Buffer 01 [global] 02 ioengine=libaio 03 direct=1 04 filename=testfile 05 size=2g 06 bs=4m 07
08
refill_buffers=1 09 10 [write] 11 rw=write
12
write_bw_log 13 14 [read] 15 stonewall 16 rw=read 17 write
13%
Configuration management with Chef
30.11.2025
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Archive
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2010
»
Issue 1: System...
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" 05 06 signing_ca_path "/var/chef/ca" 07 couchdb_database 'chef'
08
09 cookbook_path [ "/var/chef/cookbooks", "/var/chef/site-cookbooks" ] 10 11 file_cache_path "/var/chef/cache"
12
node
13%
An IP-based load balancing solution
30.11.2025
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CloudAge
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Articles
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backup_active = 1 05 backup = 192.168.1.232 06 heartbeat = 1 07 heartbeat_port = 539
08
keepalive = 6 09 deadtime = 18 10 network = direct 11 debug_level = NONE
12
monitor_links = 1 13 syncdaemon = 1 14
13%
Free backup tool for data centers
30.11.2025
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Archive
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2011
»
Issue 5: Pen Te...
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Password = "YdhKKoy2Huq1CVHwIR" 05 Pid Directory = "/var/run" 06 Query File = "/usr/lib/bacula/query.sql" 07 Working Directory = "/var/lib/bacula"
08
} 09 10 Fileset { 11 Name = "Full Set"
12
12%
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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= 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
12%
Business continuity for small to medium-sized enterprises
30.11.2025
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Archive
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2012
»
Issue 08: FreeNAS
»
. In the test scenario, I defined a backup schedule with the following settings: Schedule: weekly Daily full backup: Monday – Friday 20:00 Daily incremental backup: Monday – Friday
08
:00--18:00, 30
12%
The RADOS object store and Ceph filesystem
30.11.2025
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Archive
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2012
»
Issue 09: Windo...
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/ceph/$name.keyring 04 [mon] 05 mon data = /srv/mon.$id 06 [mds] 07 [osd]
08
osd data = /srv/osd.$id 09 osd journal = /srv/osd.$id.journal 10 osd journal size = 1000 11 [mon.a]
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host = alice 13 mon
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