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How to make a bash function persist (after reboot)?
How to make bash history prefix-sensitive?How to make exported shell variables permanent?How to get environment variables to persist across login?How to reboot the machine when it hangs?Linux + how to shutdown application properly with reboot or init 0 + init.d scriptsWhy the command in .bash_logout can't run after reboot?How to make the command in /etc/profile be found?How to make bash substitution $(<“filename”) silentHow execute command/script once after rebootLS_COLORS how persist after sudo su
The command is
Show() cat /etc/redhat-release;
How to make this command persist after reboot?
bash shell scripting
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
add a comment |
The command is
Show() cat /etc/redhat-release;
How to make this command persist after reboot?
bash shell scripting
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
1
As you can see from the current answers, we are unsure what you mean by "persist". You question was also originally tagged withssh(I removed that tag). Please let us know ifsshis somehow relevant to you question.
– Kusalananda
Mar 9 '18 at 9:52
Thank you for clarifying that by "make this command persist" you mean "make it still be defined after a reboot".
– Kusalananda
Mar 11 '18 at 7:03
Look atdeclare -f Showand make aSaveFunchelper to save the functions giving by their name into e.g. the~/.bash_funcs.ddirectory. Then add some white magic tobash's startup scripts to read in all functions defined in that directory.
– yeti
Mar 11 '18 at 9:40
add a comment |
The command is
Show() cat /etc/redhat-release;
How to make this command persist after reboot?
bash shell scripting
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
The command is
Show() cat /etc/redhat-release;
How to make this command persist after reboot?
bash shell scripting
bash shell scripting
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
edited Mar 11 '18 at 7:03
Kusalananda
134k17255418
134k17255418
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
asked Mar 9 '18 at 9:35
Shubham SinghShubham Singh
12
12
1
As you can see from the current answers, we are unsure what you mean by "persist". You question was also originally tagged withssh(I removed that tag). Please let us know ifsshis somehow relevant to you question.
– Kusalananda
Mar 9 '18 at 9:52
Thank you for clarifying that by "make this command persist" you mean "make it still be defined after a reboot".
– Kusalananda
Mar 11 '18 at 7:03
Look atdeclare -f Showand make aSaveFunchelper to save the functions giving by their name into e.g. the~/.bash_funcs.ddirectory. Then add some white magic tobash's startup scripts to read in all functions defined in that directory.
– yeti
Mar 11 '18 at 9:40
add a comment |
1
As you can see from the current answers, we are unsure what you mean by "persist". You question was also originally tagged withssh(I removed that tag). Please let us know ifsshis somehow relevant to you question.
– Kusalananda
Mar 9 '18 at 9:52
Thank you for clarifying that by "make this command persist" you mean "make it still be defined after a reboot".
– Kusalananda
Mar 11 '18 at 7:03
Look atdeclare -f Showand make aSaveFunchelper to save the functions giving by their name into e.g. the~/.bash_funcs.ddirectory. Then add some white magic tobash's startup scripts to read in all functions defined in that directory.
– yeti
Mar 11 '18 at 9:40
1
1
As you can see from the current answers, we are unsure what you mean by "persist". You question was also originally tagged with
ssh (I removed that tag). Please let us know if ssh is somehow relevant to you question.– Kusalananda
Mar 9 '18 at 9:52
As you can see from the current answers, we are unsure what you mean by "persist". You question was also originally tagged with
ssh (I removed that tag). Please let us know if ssh is somehow relevant to you question.– Kusalananda
Mar 9 '18 at 9:52
Thank you for clarifying that by "make this command persist" you mean "make it still be defined after a reboot".
– Kusalananda
Mar 11 '18 at 7:03
Thank you for clarifying that by "make this command persist" you mean "make it still be defined after a reboot".
– Kusalananda
Mar 11 '18 at 7:03
Look at
declare -f Show and make a SaveFunc helper to save the functions giving by their name into e.g. the ~/.bash_funcs.d directory. Then add some white magic to bash's startup scripts to read in all functions defined in that directory.– yeti
Mar 11 '18 at 9:40
Look at
declare -f Show and make a SaveFunc helper to save the functions giving by their name into e.g. the ~/.bash_funcs.d directory. Then add some white magic to bash's startup scripts to read in all functions defined in that directory.– yeti
Mar 11 '18 at 9:40
add a comment |
2 Answers
2
active
oldest
votes
To make a function definition persist after reboot, you do same thing as you would do to add or modify persistent shell aliases and/or environment variables: You edit your shell initialization files.
If you add your function definition in ~/.bashrc (or wherever you usually define aliases), it will be available for use in the next interactive bash shell session.
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
add a comment |
A simple while should work
while true; do
cat /etc/redhat-release;
sleep 2
done
I would recommend the use of a sleep statement to ensure sufficient lag.
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
2
How on earth does this relate to the question? I can't find a way to interpret “persist” as meaning “run in a loop”.
– Gilles
Mar 9 '18 at 11:06
your original question asked for ssh persist. It came out as a endless ssh into a server and watch its release file (for whatever reason).
– amisax
Mar 9 '18 at 11:15
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
To make a function definition persist after reboot, you do same thing as you would do to add or modify persistent shell aliases and/or environment variables: You edit your shell initialization files.
If you add your function definition in ~/.bashrc (or wherever you usually define aliases), it will be available for use in the next interactive bash shell session.
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
add a comment |
To make a function definition persist after reboot, you do same thing as you would do to add or modify persistent shell aliases and/or environment variables: You edit your shell initialization files.
If you add your function definition in ~/.bashrc (or wherever you usually define aliases), it will be available for use in the next interactive bash shell session.
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
add a comment |
To make a function definition persist after reboot, you do same thing as you would do to add or modify persistent shell aliases and/or environment variables: You edit your shell initialization files.
If you add your function definition in ~/.bashrc (or wherever you usually define aliases), it will be available for use in the next interactive bash shell session.
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
To make a function definition persist after reboot, you do same thing as you would do to add or modify persistent shell aliases and/or environment variables: You edit your shell initialization files.
If you add your function definition in ~/.bashrc (or wherever you usually define aliases), it will be available for use in the next interactive bash shell session.
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
edited 3 hours ago
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
answered Mar 9 '18 at 9:49
KusalanandaKusalananda
134k17255418
134k17255418
add a comment |
add a comment |
A simple while should work
while true; do
cat /etc/redhat-release;
sleep 2
done
I would recommend the use of a sleep statement to ensure sufficient lag.
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
2
How on earth does this relate to the question? I can't find a way to interpret “persist” as meaning “run in a loop”.
– Gilles
Mar 9 '18 at 11:06
your original question asked for ssh persist. It came out as a endless ssh into a server and watch its release file (for whatever reason).
– amisax
Mar 9 '18 at 11:15
add a comment |
A simple while should work
while true; do
cat /etc/redhat-release;
sleep 2
done
I would recommend the use of a sleep statement to ensure sufficient lag.
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
2
How on earth does this relate to the question? I can't find a way to interpret “persist” as meaning “run in a loop”.
– Gilles
Mar 9 '18 at 11:06
your original question asked for ssh persist. It came out as a endless ssh into a server and watch its release file (for whatever reason).
– amisax
Mar 9 '18 at 11:15
add a comment |
A simple while should work
while true; do
cat /etc/redhat-release;
sleep 2
done
I would recommend the use of a sleep statement to ensure sufficient lag.
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
A simple while should work
while true; do
cat /etc/redhat-release;
sleep 2
done
I would recommend the use of a sleep statement to ensure sufficient lag.
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
edited 4 hours ago
Rui F Ribeiro
41.2k1481140
41.2k1481140
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
answered Mar 9 '18 at 9:50
amisaxamisax
1,527515
1,527515
2
How on earth does this relate to the question? I can't find a way to interpret “persist” as meaning “run in a loop”.
– Gilles
Mar 9 '18 at 11:06
your original question asked for ssh persist. It came out as a endless ssh into a server and watch its release file (for whatever reason).
– amisax
Mar 9 '18 at 11:15
add a comment |
2
How on earth does this relate to the question? I can't find a way to interpret “persist” as meaning “run in a loop”.
– Gilles
Mar 9 '18 at 11:06
your original question asked for ssh persist. It came out as a endless ssh into a server and watch its release file (for whatever reason).
– amisax
Mar 9 '18 at 11:15
2
2
How on earth does this relate to the question? I can't find a way to interpret “persist” as meaning “run in a loop”.
– Gilles
Mar 9 '18 at 11:06
How on earth does this relate to the question? I can't find a way to interpret “persist” as meaning “run in a loop”.
– Gilles
Mar 9 '18 at 11:06
your original question asked for ssh persist. It came out as a endless ssh into a server and watch its release file (for whatever reason).
– amisax
Mar 9 '18 at 11:15
your original question asked for ssh persist. It came out as a endless ssh into a server and watch its release file (for whatever reason).
– amisax
Mar 9 '18 at 11:15
add a comment |
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1
As you can see from the current answers, we are unsure what you mean by "persist". You question was also originally tagged with
ssh(I removed that tag). Please let us know ifsshis somehow relevant to you question.– Kusalananda
Mar 9 '18 at 9:52
Thank you for clarifying that by "make this command persist" you mean "make it still be defined after a reboot".
– Kusalananda
Mar 11 '18 at 7:03
Look at
declare -f Showand make aSaveFunchelper to save the functions giving by their name into e.g. the~/.bash_funcs.ddirectory. Then add some white magic tobash's startup scripts to read in all functions defined in that directory.– yeti
Mar 11 '18 at 9:40