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9%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Heiko Küverling, 123RF.com
(msg.payload)) 07 08 mqtt = paho.Client() 09 mqtt.on_message = on_message 10 11 mqtt.connect("localhost", 1883, 60) 12 mqtt.subscribe("linux/+", 0) 13 14 mqtt.loop_forever() The client now connects
9%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
in your kernel configuration and possibly rebuild the kernel. Including the symbols, vmlinux weighs in at more than 40MB. Next, open a connection to the debug server by typing target remote :1234 (Figure 3
9%
VAX emulation with OpenVMS
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Ole Houen, 123RF
rq2 ra92 08 set rq3 cdrom 09 10 attach rq0 d0.dsk 11 attach rq1 d1.dsk 12 attach rq2 d2.dsk 13 14 attach -r rq3 cdrom.iso 15 16 set rl disable 17 set ts disable 18 19 set xq mac=08-00-2B-AA-BB-CC 20
9%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple
9%
Predicting Drive Doom
20.10.2013
Home »  HPC  »  Articles  » 
database [for details use: -P show] ATA Version is: 8 ATA Standard is: ACS-2 (unknown minor revision code: 0x001f) Local Time is: Sun Oct 13 09:12:15 2013 EDT SMART support is: Available - device has SMART
9%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
--------- ------ ---- ----- ---- 12 Throughput Cashier Customers 0.7500 Cust/Sec 13 Utilization Cashier Customers 75.0000 Percent 14 Queue Length Cashier Customers 3.0000 Cust 15 Residence Time Cashier Customers 4.0000 Sec 16 N Sws
9%
Get started with OpenShift
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © andegro4ka, 123RF.com
, uncompress the tarball and enter the resulting directory: $ tar xvfz minishift-1.33.0-linux-amd64.tgz $ cd minishift-1.33.0-linux-amd64 If you run the ls command, you can see a 27MB binary called minishift
9%
Linux Local and Network Filesystems
07.01.2024
Home »  HPC  »  Articles  » 
 /snap/snap-store/638 loop11   7:11   0   219M  1 loop /snap/gnome-3-34-1804/77 loop12   7:12   0 218.4M  1 loop /snap/gnome-3-34-1804/93 loop13   7:13   0  40.9M  1 loop /snap/snapd/20290 loop14   7:14   0  73.9M  1
9%
Warewulf 4 – Python and Jupyter Notebooks
13.04.2023
Home »  HPC  »  Articles  » 
@warewulf pkgs]$ pwd /opt/apps/apps/conda/pkgs [laytonjb@warewulf pkgs]$ ls -lstar total 552 4 drwxrwxrwx 4 root root 4096 Mar 12 11:28 .. 0 -rw-rw-r-- 1 laytonjb laytonjb 0 Mar 14 19:28 urls 4 drwxrwsr-x 2
9%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
_servers: - 10.42.0.10 - 10.42.0.11 dhcp_pxeboot_server: 10.42.0.12 The subnet must be a subrange of the subnet where the VM with the infrastructure services itself is located. However, when

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