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22%
Shell practice: Introduction to the sed stream editor
09.08.2015
Home
»
Archive
»
2015
»
Issue 28: SSD RAID
»
.txt 14 Delete all numbers and slashes (/ ) and hyphens (- ) cat textdata.txt | sed -
n
s'/[0-
9
\/-]//'gp 15 Figure
10
: Using
22%
Linux device mapper writecache
30.01.2020
Home
»
Archive
»
2020
»
Issue 55: AWS L...
»
+devices LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert Devices fast vg-cache -wi-
a
-----
10
.00g /dev/nvme0
n
1(0
22%
Unleashing Accelerated Speeds with RAM Drives
02.08.2021
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»
Archive
»
2021
»
Issue 64: Bare...
»
nvmet-rd0 -
a
10
.0.0.185 -s 4420 and verify that the NVMe subsystem sees the NVMe target (Listing
9
). Listing
9
Verify the NVMe Target Is Seen $ sudo nvme list Node SN
22%
Protect Your Servers with Nmap
23.07.2012
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»
Articles
»
.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION
22
/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp 53/tcp open domain ISC BIND
9
22%
Give your servers the once over with Nmap
31.10.2025
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»
Archive
»
2012
»
Issue 11: Cloud...
»
ADDRESS [Cut first seven hops for brevity] 8
10
.59 so-4-2-0.mpr3.pao1.us.above.net (64.125.28.142)
9
11.00 metro0.sv.svcolo.com (208.185.168.173)
10
9
21%
Listing 6
21.08.2012
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»
HPC
»
Articles
»
Warewulf 4 Code
»
6 ### 8/5/2012 7 8 ### Set the job name
9
#PBS -
N
mpi_pi_fortran90
10
11 ### Run in the queue named “batch”
12
#PBS -q batch 13 14 ### Specify the number of cpus for your job. This example
21%
Linux Writecache
19.11.2019
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»
HPC
»
Articles
»
Origin Data% Meta% Move Log Cpy%Sync Convert Devices fast vg-cache -wi-
a
-----
10
.00g /dev/nvme0
n
1(0
) slow vg-cache -wi-
a
----- 5.93t /dev/sdb(0
21%
Improving performance with environment variables
02.08.2021
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2021
»
Issue 64: Bare...
»
,048 0.776039
22
.137891 1.612694
10
.652902 0.199173 86.256026 0.455025 37.755903 4,096 5.855209 23.472936
12
.275261 11
21%
Rethinking RAID (on Linux)
25.03.2021
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»
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»
2021
»
Issue 62: Lean...
»
[1] sdc
1[0
] 244065408 blocks super
1.2
[
2/2
] [UU] [=>...................] resync = 6.4% (15812032/244065408) finish=19.1min speed=198449K/sec bitmap:
2/2
pages [8KB], 65536KB chunk
21%
A watchdog for every modern *ix server
25.09.2023
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»
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»
2023
»
Issue 77: Secur...
»
-rf /var/lib/apt/lists/* 09
10
RUN >/etc/machine-id 11 RUN >/var/lib/dbus/machine-id
12
13 EXPOSE
22
14 15 RUN systemctl set-default multi-user.target 16 RUN systemctl mask dev-hugepages.mount sys
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