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9%
Debugging Bash scripts automatically
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Andre Zhak, 123RF.com
, with the examine command if you know the variable name: bashdb<6> examine a declare -- a="1234567890" Bash scripts can be nested through functions and loops. The script below executes a wildcard calculation within
9%
JMeter tests loads and measures performance of static and dynamic resources
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by CHUTTERSNAP on Unsplash
for those cities (Figure 6). Figure 6: Simulated flight results on the BlazeMeter website. Pressing a specific button for a flight confirms what you have
9%
Building better software on schedule with DevOps
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
© J. Allspaw and P. Hammond 2009
is an automation system, such as Chef [6] or Puppet [7]. Monitoring software also ensures that admins discover errors at an early stage and can take preventive action before major failures occur. Metrics Dev
9%
Understanding the Spanning Tree protocol family
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © Joellen Armstrong, Fotolia.com
to the instance. For example, for the network in Figure 5, VLAN 101 to 150 can be grouped into instance 1 and VLAN 151 to 200 can be grouped into instance 2 (Figure 6). The total number of network topologies
9%
MySQL is gearing up with its own high-availability Group Replication solution
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © lassedesignen, 123RF.com
is not supported. Moreover, it is imperative for each table to have a primary key. Surprisingly, IPv6 is still lacking – in 2017! Currently, network communication between the replicating nodes relies on IPv4
9%
Goodbye cloud VMs, hello laptop VMs
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Lead Image © Liubomyr Feshchyn, 123rf.com
://github.com/richnusgeeks/devops.git pushd CloudInABox/Multipass/scripts You could use cd instead of pushd, but I prefer the latter for its intelligence. The wrapper script execution should display a help screen (Figure 6
9%
Linux Storage Stack
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © arsgera, 123RF.com
.e., the anticipatory scheduler, or AS) was similar to CFQ and was therefore removed in kernel version 2.6.33. Via the Linux multiqueue block I/O queuing mechanism (blk-mq ). Introduced with Linux kernel 3.13, blk
9%
Shifting Drupal to Amazon's cloud
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Devaev Dmitry, 123RF.com
and load the updated application in the cloned environment. Then perform a test and choose the URLs in Actions | Swap Environment URLs (Figure 6). Figure 6
9%
Scale Your Docker Containers with Docker Swarm
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Author, 123RF.com
should now see that the webserver service is running on port 80 (Figure 6). Figure 6: The service is good to go. Scaling Your Service At the moment
9%
Acquiring a Memory Image
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © lightwise, 123RF.com
from the Windows system to /mnt/windows_mount. After changing into that directory and listing the files, you will see the list of files followed by a login to the pmem location (Figure 6

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