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15%
Read-only File Compression with SquashFS
14.06.2017
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»
HPC
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-rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is
3
.2
MB
, but after using gzip with the -9 option (i.e., maximum compression), the resulting file is 268KB. The .gz
15%
Creating and evaluating kernel crash dumps
31.10.2025
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2012
»
Issue 11: Cloud...
»
kernel sles:~ # grep crash /proc/cmdline root=/dev/disk/by-uuid/10a83ffe-5a9f-
48
a2-b8cb-551c2cc6b42d resume=/dev/sda
3
splash=silent text showopts crashkernel=128 sles:~ # /etc/init.d/boot.kdump status
15%
Serverless computing with AWS Lambda
30.01.2020
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2020
»
Issue 55: AWS L...
»
Id: 4e90b424-95d9-4453-a2f
4-8
f5259f5f263 Duration: 70.72 ms Billed Duration: 100 ms Memory Size: 128
MB
Max Memory Used: 55
MB
Init Duration: 129.20 ms More or Less
15%
A Btrfs field test and workshop
31.10.2025
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2012
»
Issue 11: Cloud...
»
. Enterprise-Level Features Btrfs is a copy-on-write (COW) filesystem. Whereas a filesystem like ext
3
logs block changes in a journal, Btrfs always writes changes to a block at a new location on the disk
15%
Managing containers with Podman
05.12.2019
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2019
»
Issue 54: NVMe...
»
Container $ podman images REPOSITORY TAG IMAGE ID CREATED SIZE localhost/nmap latest 53890e393585 34 seconds ago
425
MB
** $ podman run --rm localhost
15%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
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2012
»
Issue 12: NAS S...
»
extensions who offer lower equipment specs and target a smaller range of applications. When it comes to actual storage, NAS storage systems are not so wildly different (see Tables 1-
3
for a comparison
15%
Analyzing Kernel Crash Dumps
25.11.2012
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/cmdline root=/dev/disk/by-uuid/10a83ffe-5a9f-
48
a2-b8cb-551c2cc6b42d resume=/dev/sda
3
\ splash=silent text showopts crashkernel=128 sles:~ # /etc/init.d/boot.kdump status kdump kernel loaded
15%
Automate CentOS and RHEL installation with PXE
02.02.2021
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2021
»
Issue 61: Secur...
»
with the appropriate value to the entries in roles. The role's name matches that of the folder in the roles/ directory (Figure
3
). Figure
3
: The Playbook
15%
Creating RAID systems with Raider
31.10.2025
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2012
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Issue 12: NAS S...
»
. With RAID 1 and hard disks of 320GB, the whole operation takes one and a half hours (Figure
3
). You can view the logfile at any time with the raiderl command. Raider writes the current RAID configuration
15%
John the Ripper
22.08.2011
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systems is John the Ripper (John). John is a free tool from Openwall. System administrators should use John to perform internal password audits. It’s a small (<1
MB
) and simple-to-use password
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