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42%
A closer look at hard drives
18.07.2013
Home
»
Archive
»
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
42%
John the Ripper
22.08.2011
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»
Articles
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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
42%
Kea, the ISC's successor to the DHCP daemon
03.08.2023
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»
Archive
»
2023
»
Issue 76: Energ...
»
in 2014. At the time of writing, the available Kea versions were
2.2.0
(July 2022, Current-Stable) and 2.
3
.6 (March 2023, Experimental-Development). Most distributions have prebuilt Kea packages
42%
Security first with the Hiawatha web server
11.04.2016
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»
Archive
»
2016
»
Issue 32: Measu...
»
-fastcgi are running, as expected. Listing 1 Process List root 589
0.0
0.
3
142492 3092 ? Ss 20:35 0:
00
nginx: master process /usr/sbin/nginx -g daemon on; master_process on; www
41%
System temperature as a dimension of performance
28.11.2022
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»
Archive
»
2022
»
Issue 72: OpenS...
»
of alternative sources. Listing 1 sensors Output federico@ferenginar:~$ sensors k10temp-pci-
00
c
3
Adapter: PCI adapter temp1: +
42.5
¡C (high = +70.0¡C) (crit = +100.0¡C
41%
Backups using rdiff-backup and rsnapshot
11.02.2016
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»
Archive
»
2016
»
Issue 31: Tunin...
»
DestinationSizeChange 41943106 (40.0
MB
) Another view of the file statistics lists which file effected the change: # gunzip -c /mnt/backup/rdiff-backup-data/file_statistics.\ 2015-03-15T10\:44\:06+01\:
00
.data.gz | awk '$2
41%
Dig Deep into Kubernetes with StatusBay
29.09.2020
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»
Archive
»
2020
»
Issue 59: Custo...
»
sitting at less than 50
MB
(and using less than half the RAM of a standard cluster) the binary that runs K
3
s is a sight to behold and well worth getting your hands on. Especially when it's deemed production
41%
LXC 1.0
03.12.2015
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»
Archive
»
2015
»
Issue 30: OpenD...
»
.0/24 !10.0.
3
.0/24 root@ubuntu:~# ps -eaf | grep dnsmas lxc-dns+ 1047 1 0 18:24 ?
00:00:00
dnsmasq -u lxc-dnsmasq --strict-order --bind-interfaces --pid-file=/run/lxc/dnsmasq.pid --conf
41%
Analyzing Kernel Crash Dumps
25.11.2012
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Articles
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crash /proc/iomem 03000000-0affffff : Crash kernel [root@rhel ~]# grep crash /proc/cmdline ro root=/dev/mapper/VolGroup
00
-LogVol
00
rd_NO_LUKS KEYBOARDTYPE=pc \ KEYTABLE=de-latin1-nodeadkeys rd
41%
Bringing old hardware back into the game
29.09.2020
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»
Archive
»
2020
»
Issue 59: Custo...
»
and doubles the cache size (from
3
to 6
MB
), in exchange for a small drop in baseline clock speed – 2.
3
to 2.2GHz (peak drops from
3
.2 to
3
.1GHz). Major Surgery Legend has it that no one has ever opened
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