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Tag: linux

Pipe find command output to ls command

Need to pipe find command output to ls command limiting ls command to a certain date. Sort of a filter by date modified but I want with the format of the ls -lth –full-time. The find command gives me last modified files within 365 days. But ls shows me everything. find gives me: And ls -lth –full-…

Using perf_event with the ARM PMU inside gem5

I know that the ARM PMU is partially implemented, thanks to the gem5 source code and some publications. I have a binary which uses perf_event to access the PMU on a Linux-based OS, under an ARM processor. Could it use perf_event inside a gem5 full-system simulation with a Linux kernel, under the ARM ISA? So f…

Remove ” and n using sed

How to replace the below text using sed or in any other method. I need to replace the above to be like Answer A or . needs to be escaped in regex pattern. You may use this sed: You may consider this awk to remove ” and n characters anywhere in the file:

how to remove new lines in vi editor linux?

I am using Linux (centos flavor) and created a file with the following text: Question: Now, I opened the file in vi editor mode and am able to remove all non blank characters(backspace or delete keys do nothing). But newline characters persist and I get error saying “no previous regular expression&#8221…

Meaning of the read permission for binary executable?

I am interested in the full impact of the read permission for binary executables. Indeed, I have encountered some behaviors that I wish to understand. Let’s say I have a C program that just call sleep(300). When the binary has the read permission, I am able to inspect the /proc/$PID folder associated wi…

How to encrypt a files in Jenkins

I am trying to run Node.js app from jenkins which takes a backup of our API management platform. When we get a backup on jenkins server, we have below directories – Backup There are directories in secrets like abc, pqr, xyz which store some .txt files in it which has confidential data. I want to encrypt…