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02.02.2021
, developers previously had to nest several if branches. The new nullsafe operator ?-> checks the existence automatically and reduces the test to one line (line 15).
Listing 2
Happy Birthday?
01
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25.03.2020
local server machine (Listing 1). In this example, the four drives sdb
to sde
in lines 12, 13, 15, and 16 will be used to create the NVMe target. Each drive is 7TB, which you can verify
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20.08.2012
the -p
option:
# nc -p 16000 examplehost.tld 22
To add a timeout for latency testing, you could use the -w
parameter followed by the number of seconds – 30 seconds, for example:
# nc -p 16000 -w 30
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13.12.2018
USB Transfer Rates
Label
Speed (Mbps)
Version
Marketed Name
1.5M
1.5
1
Low speed
12M
12
1
Full speed
480M
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11.02.2016
that have plagued us for the past 15 years could easily escalate if the trend for greater automation continues.
Imagine a system that intelligently heals itself, restarts its own services, monitors its own
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04.12.2024
Attaching an iSCSI Device
$ uname -a
Linux DANSBOX 6.8.0-35-generic #35-Ubuntu SMP PREEMPT_DYNAMIC Mon May 20 15:51:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE
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17.08.2011
_costs = {
't1.micro' => 0.02,
'm1.small' => 0.095,
'c1.medium' => 0.19,
'm2.2xlarge' => 1.14,
'm2.4xlarge' => 2.28
}
Then I list the regions. This could have been dynamic, but I don’t want
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15.09.2020
need SSH active on both systems. Almost all firewalls are set up to allow port 22 access or have mapped port 22 to a different port that can accommodate SSHFS. All the other ports can be blocked
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30.11.2020
need SSH active on both systems. Almost all firewalls are set up to allow port 22 access or have mapped port 22 to a different port that can accommodate SSHFS. All the other ports can be blocked
17%
14.08.2017
-A INPUT -p tcp -s [IP address of allowed server] --dport 22 -j ACCEPT
on the server to which you want to SSH.
Trick 2: Copying Files Securely
The SSH protocol also includes Secure Copy (SCP
