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write a shell script to ssh to a remote machine and execute commands
...f commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with ssh, for example:
#!/bin/bash
USERNAME=someUser
HOSTS="host1 host2 host3"
SCRIPT="pwd; ls"
for HOSTNAME in ${HOSTS} ; do
ssh -l ${USERNAME} ${HOSTNAME} "${SCRIPT}"
do...
Python Threading String Arguments
I have a problem with Python threading and sending a string in the arguments.
2 Answers
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java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
...ncluded in EE environment (that's why you can use it on your live server), but it is not included in SE environment.
Oracle docs:
The JavaMail API is available as an optional package for use with Java
SE platform and is also included in the Java EE platform.
99% that you run your tests i...
pull/push from multiple remote locations
...ath/to/repo
To fetch from all the configured remotes and update tracking branches, but not merge into HEAD, do:
git remote update
If it's not currently connected to one of the remotes, it will take time out or throw an error, and go on to the next. You'll have to manually merge from the fetched...
Why do you need to put #!/bin/bash at the beginning of a script file?
I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning.
9 Answers
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ruby send method passing multiple parameters
Trying to create objects and call methods dynamically by
2 Answers
2
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How to read a file in reverse order?
...
answered Feb 20 '10 at 10:10
Matt JoinerMatt Joiner
94.2k8585 gold badges321321 silver badges483483 bronze badges
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Best way to store JSON in an HTML attribute?
I need to put a JSON object into an attribute on an HTML element.
9 Answers
9
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Why are data transfer objects (DTOs) an anti-pattern?
I've recently overheard people saying that data transfer objects (DTOs) are an anti-pattern .
11 Answers
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Location Services not working in iOS 8
...
I ended up solving my own problem.
Apparently in iOS 8 SDK, requestAlwaysAuthorization (for background location) or requestWhenInUseAuthorization (location only when foreground) call on CLLocationManager is needed before starting location updates.
There ...