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30%
The practical benefits of network namespaces
15.08.2016
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Archive
»
2016
»
Issue 34: Softw...
»
ns2 ip addr add 1.1.1.2/10 dev veth2 18 $ ip netns exec ns1 ip link set veth1 up 19 $ ip netns exec ns2 ip link set veth2 up
20
21 $ ip netns exec ns1 ping -c2 1.1.1.2
22
PING 1.1.1.2 (1.1.1.2) 56
30%
Rethinking RAID (on Linux)
16.03.2021
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=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1420KiB/s][w=355 IOPS][eta
00
m:
00
s] test: (groupid=0, jobs=1): err= 0: pid=3377: Sat Jan 9 15:31:04 2021 write: IOPS=352, BW=1410Ki
29%
Monitoring network computers with the Icinga Nagios fork
30.11.2025
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2010
»
Issue 1: System...
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notification_interval 60 16 notification_options d 17 } 18 19 # Fileserver
20
define host{ 21 host_name fileserver
22
alias Fileserver 23
29%
Greylisting with Postgrey
22.06.2012
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1-12:
00:00
20
144400 1-16:06:40 21 160000 1-
20
:26:40
22
176400 2-01:
00:00
23 193600 2-05:46:40 24
28%
Rethinking RAID (on Linux)
25.03.2021
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2021
»
Issue 62: Lean...
»
that your boot-loader understands md/v1.
x
metadata, or use --metadata=0.90 mdadm: /dev/sdc1 appears to be part of a raid array: level=raid1 devices=2 ctime=Sat Jan 9 15:
22
:29 2021 Continue
28%
Processor and Memory Metrics
12.02.2014
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: 99.0% iowait:
0.0
% irq:
0.0
% softirq:
0.0
% steal:
0.0
% guest:
0.0
% CPU0 user: 4.0% nice:
0.0
% system:
2.0
% idle: 94.0% iowait:
0.0
% irq:
0.0
27%
Understanding the Status of Your Filesystem
18.06.2014
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( 0.05%) ( 0.05% cumulative) [ 1- 2 days]: 0 ( 0.
00
%) ( 0.05% cumulative) [ 2- 4 days]: 4675 ( 1.
20
%) ( 1.25% cumulative) [ 4- 7 days]: 215 ( 0.06%) ( 1.31% cumulative) [ 7
27%
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
27%
Speed up your MySQL database
11.02.2016
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2016
»
Issue 31: Tunin...
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19
20
mysql> CREATE TABLE `data_random` ( 21 `id` CHAR(32) NOT NULL,
22
`data` VARCHAR(64) DEFAULT NULL, 23 `ts` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, 24
27%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
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/group_gz | 212 kB
00:00
Package flex-2.5.35-8.el6.
x
86_64 already installed and latest version Package gcc-4.4.6-3.el6.
x
86_64 already installed and latest version Package autoconf-2.63-5.1.el6.noarch
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