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17%
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
17%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
53/tcp open domain ISC BIND 9.3.4 70/tcp closed gopher 80/tcp open http Apache httpd 2.2.2 ((Fedora)) |_ HTML title: Go ahead and ScanMe! 113/tcp
17%
Process, Network, and Disk Metrics
26.02.2014
Home »  HPC  »  Articles  » 
 reqs merged:           3.76/s     Write reqs completed:            2.12/s    Read BW:                     0.01 MB/s  Write BW:                        0.02 MB/s    Avg sector size issued      25.28       Avg
17%
LXC 1.0
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © designpics, 123RF.com
shows how the host system forwards port 443 to the container: sudo iptables -t nat -A PREROUTING -p tcp --dport 443 -j DNAT --to-destination 10.0.3.190:443 The lxcbr0 interface is great for testing. If
17%
Best practices for KVM on NUMA servers
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Joe Belanger, 123RF.com
Viewing Server Topology 01 # numactl --hardware available: 8 nodes (0-7) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 node 0 size: 16373 MB node 0 free: 15837 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 node 1
17%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
  30.85  72.31   13.16   20.40   0.26    70.44    83.89   1.97   3.52 nvme0n1         58.80   12.22  17720.47     48.71   230.91     0.01  79.70   0.08    0.42    0.03   0.00   301.34     3
17%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
3 type rec 4 integer :: x, y, z 5 real :: value 6 end type rec 7 8 integer :: counter 9 integer :: counter_limit 10 integer :: ierr 11 12 type (rec) :: my
17%
Elastic Beanstalk
29.10.2013
Home »  Articles  » 
 
Linux running PHP 5.3     5) 32bit Amazon Linux running Node.js     6) 64bit Amazon Linux running Node.js     ... Don’t create an RDS instance this time, so type n for that option; however, notice how
17%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
your source IP address but not for nefarious use, # nmap -S 3.3.3.3 12.34.56.78 then by port range, with no pings to avoid immediate detection and with operating system detection (-A): # nmap -P0 -p1
17%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
to the first sed I know that here is only a SINGLE space 45 display_list="$(sed ':a;N;$!ba;s/\n / /g'<<<"$xrandr_current" | sed \ -n -e 's/^\([a-zA-Z0-9_-]\+\) connected.* \([0-9]\+\)mm.* \([0-9]\+\)mm

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