Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 10 years ago. Improve this question I’ve installed ffmpeg using yum under Redhat, and I’m having difficulty figuring out where (what path) it installed the package to. Is there … Read more
I’m using bash shell on Linux. I have this simple script … #!/bin/bash TEMP=`sed -n “https://stackoverflow.com/””Starting deployment of”‘/,/'”Failed to start context”‘/p’ “/usr/java/jboss/standalone/log/server.log” | tac | awk “https://stackoverflow.com/””Starting deployment of”‘/ {print;exit} 1’ | tac` echo $TEMP However, when I run this script ./temp.sh all the output is printed without the carriage returns/new lines. Not sure if … Read more
I’m connected to my university’s small Linux cluster via PuTTY and WinSCP, transferring files using the latter and compiling and running them with the former. My work so far has been performed in the university’s labs, but today I have been doing some work at home that generated an interesting warning. I uploaded an entire … Read more
I am trying to write a script in bash that check the validity of a user input. I want to match the input (say variable x) to a list of valid values. what I have come up with at the moment is: for item in $list do if [ “$x” == “$item” ]; then echo … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about programming within the scope defined in the help center. Closed 4 years ago. Improve this question Impressed by is-latex-worth-learning-today, and many how-to’s on Windows, How do you have someone started with LaTeX … Read more
To me it’s not clear what’s the difference between the two Linux memory concepts : buffer and cache. I’ve read through this post and it seems to me that the difference between them is the expiration policy: buffer’s policy is first-in, first-out cache’s policy is Least Recently Used. Am I right? In particular, I’m looking … Read more
After reading the Bash man pages and with respect to this post, I am still having trouble understanding what exactly the eval command does and which would be its typical uses. For example, if we do: $ set — one two three # Sets $1 $2 $3 $ echo $1 one $ n=1 $ echo … Read more
I have a bash script that launches a child process that crashes (actually, hangs) from time to time and with no apparent reason (closed source, so there isn’t much I can do about it). As a result, I would like to be able to launch this process for a given amount of time, and kill … Read more
I am trying to understand my embedded Linux application’s memory use. The /proc/pid/maps utility/file seems to be a good resource for seeing the details. Unfortunately I don’t understand all the columns and entries. What does the anonymous inode 0 entries mean? These seem to be some of the larger memory segments. 3 Answers 3
I have a script called foo.sh in my home folder. When I navigate to this folder, and enter ./foo.sh, I get -bash: ./foo.sh: Permission denied. When I use sudo ./foo.sh, I get sudo: foo.sh: command not found. Why does this happen and how I can fix it? 11 Answers 11
