docker ps -f health=unhealthy --format "docker restart {{.ID}}" | xargs --no-run-if-empty -t docker restart output is : docker restart docker restart 7c20974e2b02 7c20974e2b02 Error response from daemon: No such container: docker Error response from daemon: No such container: restart How…
I am writing a backup script in bash and want to delete all backups older than X days, while leaving at least the newest N backups. This seems so simple, yet I have not been able to find a solution…
I want to profile a process, so first get its pid, then use "perf top" to check it: $ pgrep program 14472 $ sudo perf top -p 14472 It works as expected: Then I want to use pipe to connect…
This is a question in a linux (centos 7) academic module that I have found myself stuck on. I have a file of IP's, extracted from a log file. I have sorted the IP's into a new file, removing duplicates.…
In my redis database, I'm trying to delete a series of keys that start with: EPOCH_vgsOwnedVehs_ I have tried the following: redis-cli -h 127.0.0.1 -p myport -a mypassword --scan --pattern EPOCH_vgsOwnedVehs_* | xargs redis-cli unlink and redis-cli -h 127.0.0.1 -p…
I am trying to accomplish the following in one line: <command> | xargs -I {} grep {} <(other command)> I have a Kubernetes cluster which is running Redis and many other applications. I want to find out which applications (pods…