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16%
Processor and Memory Metrics
12.02.2014
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.py CPU ALL: 1.0 % CPU0 4.1% CPU1 2.0% CPU2 0.0% CPU
3
0.0% CPU4 0.0% CPU5 0.0% CPU6 0.0% CPU7 2.0% CPU ALL: user: 0.7% nice:
0.0
% system: 0.2% idle
16%
Listing 6
21.08.2012
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Warewulf 4 Code
»
will allocate 4 cores 15 ### using
3
processors on 1 node. 16 #PBS -l nodes=1:ppn=
3
17 18 ### Tell PBS the anticipated run-time for your job, where walltime=HH:MM:SS 19 #PBS -l walltime=0:10:
00
20 21 ### Load
16%
Greylisting with Postgrey
22.06.2012
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: Qmail Delivery Retry Events Delivery Attempt Seconds D-HH:MM:SS 1 0 0-
00:00:00
2 400 0-
00
:06:40
3
1600 0-
00
:26:40 4
16%
Understanding the Status of Your Filesystem
18.06.2014
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( 0.08%) ( 99.93% cumulative) [2920-3650 days]: 136 ( 0.04%) ( 99.97% cumulative) [3650-4380 days]:
3 ( 0.00
%) ( 99.97% cumulative) [4380-5110 days]: 122 ( 0.03%) (100.
00
% cumulative) [5110
15%
Speed up your MySQL database
11.02.2016
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2016
»
Issue 31: Tunin...
»
.40 <- < 71% idle > 0 1.
00
0.
00
0.37 0.
00
0.
00
0.06 0.
00
0.
00
0.
00
98.57 1 100.
00
0.
00
0.
00
0.
00
0.
00
0.
00
0.
00
0.
00
0.
00
0.
00
2
3
.77 0.
00
15%
Process, Network, and Disk Metrics
26.02.2014
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-sent:
22
,334 (total) 0/s (Per-Sec) pkts-recv: 68,018 (total) 2/s (Per-Sec) lo Bytes-sent: 2.55 K (total) 0.
00
B/s (Per-Sec) Bytes
15%
Pen Testing with netcat
14.05.2013
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the net start command to get a list of services running (Figure
3
): >net start Figure
3
: Output from the net start command. Several services
15%
Distributed storage with Sheepdog
07.10.2014
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2014
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Issue 23: 10 Ti...
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(Listing
3
). Listing
3
Defining Replication Factors 01 # dog vdi list 02 Name Id Size Used Shared Creation time VDI id Copies Tag 03 one.img 0 4.0 MB
0.0
MB
0.0
15%
The top three SSH tricks
14.08.2017
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Issue 40: Lean...
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-A INPUT -p tcp -s [IP address of allowed server] --dport
22
-j ACCEPT on the server to which you want to SSH. Trick 2: Copying Files Securely The SSH protocol also includes Secure Copy (SCP
15%
Unleashing Accelerated Speeds with RAM Drives
02.08.2021
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2021
»
Issue 64: Bare...
»
-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-
3
.16 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=1733KiB/s][w=433 IOPS][eta
00
m:
00
s] test: (groupid=0, jobs=1): err= 0: pid
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