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10%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
=$dbh->prepare('select burncpu(?)'); 12 $sth->execute((($ENV{QUERY_STRING}+0) || .5).'s'); 13 14 while( my $row=$sth->fetchrow_arrayref ) { 15 print "@$row\n"; 16 } Workaround The script is simple, but the attentive
10%
Enterprise communication with IRC
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© anyka, 123RF.com
; 12 13 /* sendq: servers need a higher sendq as they send more data */ 14 sendq=2 megabytes; 15 }; Additionally, ircd.conf lacks a block that allows connections to other servers ... Running an IRC server might seem almost anachronistic, but the classic service from the early 1990s offers a huge amount of functionality with very little in the line of resources. In the daily grind
10%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=1401KiB/s][r=0,w=350 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=3104: Sat Oct 12 14:39:08 2019 write: IOPS=352, BW=1410KiB/s (1444kB/s)(82.8Mi
10%
First steps in IT automation by Rex
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Konstantin Chagin , 123RF.com
_system_release = '12.04' 17 $eth0_mac = '08:00:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 } 22 $memory_shared = '0' 23 $Network = { 24 networkdevices
10%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
timedatectl $ ssh n0001 [laytonjb@n0001 ~]$ timedatectl Local time: Sat 2022-12-17 11:31:26 EST Universal time: Sat 2022-12-17 16:31:26 UTC RTC time: Sat 2022-12
10%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=475MiB/s][w=122k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1634: Mon Oct 14 22:18:59 2019   write: IOPS=118k, BW=463MiB/s
10%
Graphite: Collect and Visualize Numeric Data
30.07.2014
Home »  HPC  »  Articles  » 
00:00:00 Thursday January 1, 1970, Coordinated Universal Time (UTC). Listing 1: Perl Example Client #!/usr/bin/perl   use strict; use warnings; use IO::Socket; use Sys::CpuLoad;   my
10%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
                                                 12 kB/s |  12 kB     00:00     Dependencies resolved. ... Listing 12: Creating a Password Root [rocky-8] Warewulf> whereis passwd passwd: /usr/bin/passwd /etc/passwd /usr/share/man/man1/passwd.1.gz
10%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
to logfiles, and it’s pretty simple to use: [laytonjb@test1 ~]$ logger "This is a test" ... [root@test1 ~]# tail -n 2 /var/log/messages Aug 22 15:54:47 test1 avahi-daemon[1398]: Invalid query packet. Aug 22 17:00
10%
Ubuntu Server 15.10
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
.2.1 OpenStack Autopilot LXD MaaS Data plane fast packet processing OpenStack Autopilot is the fastest and easiest way to build a manageable, scalable, and extensible Ubuntu OpenStack Liberty

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