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100%
News for Admins
07.10.2025
Home
»
Archive
»
2025
»
Issue 89: Autom...
»
AMD64 and ARM64 HTTP Boot support in Debian Installer and Live images for UEFI/U-Boot systems Upgraded software stack: Gnome
48
, KDE Plasma
6
, Linux kernel
6
.12 LTS, GCC 14.2, Python 3
97%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
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Archive
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2012
»
Issue 12: NAS S...
»
of important features). All of the NAS devices in our lab used Intel processors and supported popular RAID levels, at least 1 and 5; the better devices also offered a dual-parity variant like RAID
6
. (See
96%
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-551c2cc
6
b42d resume=/dev/sda3 splash=silent text showopts crashkernel=128 sles:~ # /etc/init.d/boot.kdump status
95%
The RADOS object store and Ceph filesystem: Part 2
31.10.2025
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Archive
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2012
»
Issue 11: Cloud...
»
map for a setup consisting of six OSDs (i.e., individual storage devices in servers) distributed over three racks: crushtool --num_osds
6
-o crush.example.map --build host straw 1 rack straw 2 root
94%
Using Expect scripts to automate tasks
31.10.2025
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Archive
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2012
»
Issue 12: NAS S...
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42 spawn $env(SHELL) 43 match_max 100000 44 expect -exact "]0;khess@trapper: ~khess@trapper:~\$ " 45 send -- "ssh aspen\r" 46 expect -exact "ssh aspen\r 47 khess@aspen's password: "
48
send
94%
A Btrfs field test and workshop
31.10.2025
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2012
»
Issue 11: Cloud...
»
is fixed at 64KB and probably will not be changeable in the foreseeable future. Kernel 3.
6
is expected to introduce the long-anticipated profiles for RAID 5 and RAID
6
. Chunks To check the checksums