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55%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
of things relating to TCP and UDP since its inception. These days, it handles IPv6 as well as IPv4 beautifully. Its astounding versatility means that integrating it with scripts is a veritable piece of cake ... 12
55%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
12 # quickly" after prompts. If you find your new script hanging up at 13 # one spot, try adding a short sleep just before the previous send. 14 # Setting "force_conservative" to 1 (see below) makes ... 12
54%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
s 04 4> JOIN employees e ON (s.employee_id = e.employee_id) 05 5> WHERE s.sale_date > trunc(sysdate) - INTERVAL '6' MONTH 06 6> AND s.eur_value >= 10; 07 Explained. 08 09 SQL> select * from table ... 12
49%
Listing 6
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
6  ### 8/5/2012 7 8  ### Set the job name 9  #PBS -N mpi_pi_fortran90 10 11 ### Run in the queue named “batch” 12 #PBS -q batch 13 14 ### Specify the number of cpus for your job.  This example ... Listing 6 for Warewulf Part 4 ... Listing 6 ... Listing 6: Warewulf – Part 4
34%
Exploring dhcpy6d, a DHCP server for IPv6 networks
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Paul Herbert, 123RF.com
_config = file 05 store_file_config = ./client.conf 06 07 store_volatile = sqlite 08 store_sqlite_volatile = ./volatile.sqlite 09 10 log = on 11 log_file = ./dhcpy6d.log 12 13 really_do_it = yes 14 15 dns ... Even if you don't have to have DHCP on your IPv6 network, you might want it anyway. Dhcpy6d is a promising DHCP option for IPv6. ... dhcpy6d ... Exploring dhcpy6d, a DHCP server for IPv6 networks
27%
Performance Health Check
13.06.2022
Home »  HPC  »  Articles  » 
Many HPC systems check the state of a node b efore  running a n  application, but not very many check that the performance of the node is acceptable before running the job. ... .69 17.26 67.7 IS (4 cores) 0.6 2.16 8.2 LU (6 cores) 5.13 41.8   MG (4 cores) 1.2 3.8 39.1 SP (4 cores ... Many HPC systems check the state of a node b efore  running a n  application, but not very many check that the performance of the node is acceptable before running the job.
20%
open64
01.08.2012
Home »  HPC  »  Articles  »  Warewulf Cluste...  »  Warewulf 3 Code  » 
 
| 4.3 MB 00:02 (2/2): nss-softokn-freebl-3.12.9-11.el6.i686.rpm | 115 kB 00
19%
Listing 4
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
                                              | 119 kB     00:00 (6/19): glib2-2.22.5-6.el6.i686.rpm                                              | 1.1 MB     00:00 (7/19): libX11-1.3-2.el6.i686.rpm
18%
Listing 1
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
==================================================================== Install       2 Package(s) Total download size: 106 k Installed size: 187 k Downloading Packages: (1/2): gkrellm-daemon-2.3.5-3.el6.x86_64.rpm      |  69 kB     00:00 (2/2): lm_sensors-libs-3.1.1-10.el6.x
18%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
RAID Status cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdd1[1] sdc1[0]       244065408 blocks super 1.2 [2/2] [UU

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