All Questions
38,989
questions
1
vote
2
answers
31
views
Using sed to remove differences in two arrays (updated ssh keys)
My aim is to updated automate the update of ssh keys in the authorized_keys file. Due to restrictions i am unable to use ansible which would have been a lot simpler.
Steps:
read keys from the file
...
- 15
-1
votes
5
answers
82
views
How do I delete all the lines that match and one after each of them?
I have a large file and a list of my specific strings. The output should not contain my specific lines and one more after each of them. 2 consecutive matches are impossible due to structure of file ...
1
vote
1
answer
39
views
How to run a bash script using bash using Docker-in-Docker
I have a bash script that I use to build my Docker images and I'm trying to set up my GitLab CI so that it automatically builds the image whenever I push a tag.
This is my .gitlab-ci.yml file:
stages:
...
- 5,718
-1
votes
0
answers
19
views
--include option in grep working different in .bashrc method [duplicate]
When I run grep -ril --include "gokp*" "blah" . --exclude-dir=deployBuild from a bash shell I get the following output:
./general/dbprocs/gokpve1.sql
./general/dbprocs/gokpven.sql
....
- 1
0
votes
1
answer
50
views
How to evaluate 2 variables using bash arithematic in if statement with AND operator in bash shell [duplicate]
I have an alphanumeric string, say something like "XXXX24Y2" from which i have extracted only the numbers and assigned them to 2 variables, say num1 and num2, say num1=24 and num2=2
Now i ...
- 9
0
votes
4
answers
86
views
Not getting the desired result in the shell script
I am trying to search a particular pattern "JOB" in all the files in the mentioned directories, and the checking if the next word after JOB has at least 5 characters and if the 5th character ...
0
votes
0
answers
29
views
When I try to add a new user by "useradd -c" inside while loop in Ubuntu24.04 doens't work, but at the other Ubuntu version the same script works
I'm a new student at the Linux Command and Shell Script and I'm reading the book called Linux Command Line and Shell Scripting Bible, Third Edition. In this book, on the 361 page, there is a script ...
3
votes
1
answer
60
views
bash error message seemingly comes from environment instead of from bash itself when executing inside a function
Consider the following simple bash script
cd nowhere
This results in an error message something like
my-script.sh: line 1: cd: nowhere: No such file or directory
So far so good. This makes sense. ...
- 1,629
0
votes
1
answer
30
views
Cron call vs CLI call on Ubuntu [closed]
I am running into a weird issue. Cron call vs CLI call on Ubuntu 16. It checks 5 different docker containers.
requestLogExistsInCon=$(docker exec -it myapp_${_docker_container_count}_1 sh -c "...
- 820
-2
votes
0
answers
34
views
How to use a large number of credentials with a bash script [closed]
I have a script that needs to store a large number of usernames and passwords. Basically what my script does is it fetches the customer usernames and passwords to execute an API link to check every ...
-1
votes
1
answer
53
views
How do make a custom command to be executed directly from a folder using bash
I want to create a custom command that executes a bash script when a use types it in the terminal. So for example when they type in project setup it executes the setup bash script and then they can ...
- 67
-1
votes
0
answers
29
views
source $HOME/.bash_profile does not save the Output after reboot
I have created a simple Shell script using the below commands.
# Setting the JAVA_HOME PATH in .bash_profile. NOTE: - We need to run this only if we are downloading the Java and running it manually. ...
-1
votes
0
answers
12
views
character like '\' coming in SQL output while assigning the output to a variable in shell script [duplicate]
I am trying to run a SQL query in shell script and assigning its output to a variable.
When I run the script in Putty in the output variable character like \ is coming in data.
But when I run the same ...
0
votes
1
answer
41
views
sed command is not replacing the files in my directory [duplicate]
When I run my bash script(given below) the files are not changed. The replacement does not happen for some reason. I am running the command as sudo, and the html folder has permssions 775 with the ...
0
votes
1
answer
40
views
How to assign the result of mysqldump command into a variable?
In my bash script, I have tried
dumpresult=$(mysqldump --user="${dbuser}" --password="${dbpw}" ${dbname} > ${desdir}/${filename_sql})
and
dumpresult=`mysqldump --user="${...
