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100%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
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Articles
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Rubén
Llorente
... "webservice" { 21 listen on 192.168.3.30 port 80
22
protocol "http" 23 forward to
port 80 mode loadbalance \ 24 check http "/index.html" code
200
25 } 26
98%
Automating command execution across servers
01.06.2024
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2024
»
Issue 81: Load...
»
Rubén
Llorente
... : [devuan] 10 donkey: 11 user: root 12 host: donkey.operationalsecurity.es
13
tags: [devuan] 14 zebra: 15 user: root 16 host: zebra.operationalsecurity.es 17 tags: [devuan] 18 19
98%
Discover the power of RouterBOARDS
25.09.2023
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2023
»
Issue 77: Secur...
»
Rubén
Llorente
... is easy enough (superuser privileges are required): arp -s 192.168.90.55
00:0
c:29:c1:91:b1 The last field of the command is the MAC address, which is the unique identifier of the network device to which
29%
A closer look at hard drives
18.07.2013
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2013
»
Issue 15: What’...
»
buffered disk reads: 616
MB
in 3.00 seconds = 205.03
MB
/sec $ hdparm -T /dev/sda /dev/sda: Timing cached reads: 6292
MB
in
2.00
seconds = 3153.09
MB
/sec If this were a spinning disk, you would also
29%
When I/O workloads don't perform
02.08.2021
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2021
»
Issue 64: Bare...
»
%util sda 10.91 6.97 768.20 584.64 4.87 18.20 30.85 72.31
13
.16 20.40 0.26 70.44 83.89 1.97 3.52 nvme0n1 58.80 12.
22
17720.47 48.71 230
29%
Speed up your MySQL database
11.02.2016
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2016
»
Issue 31: Tunin...
»
329792 0 137352 1252 137488 880 3506 5 2
22
71 0 <- < Severe swapping > 0 10 597776 117244 320 317840 0 29400 588 29400 664 2522 2 2 0 96 0 <- < Process killed > 0
13
1667548
27%
Distributed storage with Sheepdog
07.10.2014
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2014
»
Issue 23: 10 Ti...
»
they are mounted with the user_xattr option. Table 1 Important Sheepdog Options Option Meaning Examples -b IP address for communication 192.168.
200
.34, 0
27%
Monitoring Storage with iostat
25.02.2013
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0.00
01/31/2013 09:56:03 AM avg-cpu: %user %nice %system %iowait %steal %idle 6.00
0.00
2.00
0.50
0.00
91.50 Device: rrqm/s wrqm/s r/s w/s r
MB
26%
Profiling Python code
30.01.2020
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2020
»
Issue 55: AWS L...
»
| 0| 0|
0.00
%| # end for 199| 0| 0| 0|
0.00
%| # end for
200
| 0| 0| 0|
0.00
%| 201| 0| 0
26%
Rethinking RAID (on Linux)
16.03.2021
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B/s), 1236KiB/s-1236KiB/s (1266kB/s-1266kB/s), io=72.5MiB (76.1
MB
), run=60102-60102msec Disk stats (read/write): md0: ios=53/18535, merge=0/0, ticks=0/0, in_queue=0, util=
0.00
%, aggrios=33/18732, aggrmerge
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