curl: (7) Failed to connect to port 80, and 443 – on one domain
Issue This question shows research effort; it is useful and clear I have checked the cURL not working properly When…
Category: Linux
Find JAVA_HOME and set it on RHEL
Issue I had installed java a while ago on my RHEL machine. Now, I’m trying to run a program that…
How to remove the filename from the end of the du -h output
Issue take the example: $ du -h file_size.txt 112K file_size.txt How would i remove the filename from the output of…
chgrp of files in a directory based on the filename
Issue I’m stuck with a lot of files requiring a chgrp to change group from root to the group which…
Using Key(@) function to extract keys from an object in Ansible
Issue I have a file file.sub which contains this JSON object {"kas_sub.test1": "true", "kas_sub.test2": "true"}. I would extract the keys…
Creating compressed tar file, with only subset of files, remotely over SSH
Issue I’ve successfully managed to transfer a tar file over SSH on stdout from a remote system, creating a compressed…
zoo + snapshot files are created very frequently
Issue under folder – /var/hadoop/zookeeper/version-2/ we can see that Zookeeper transaction logs and snapshot files are created very frequently (multiple…
How to install R package binaries on Linux just like on Windows?
Issue When I run install.packages(“somepkg”) on Linux (Ubuntu mostly), the installation process invovled building the R package from source which…
Django export env error : not a valid identifier
Issue I’m coding in Django ,and want to export the env in build.sh ,the env is an email attachment file…
How to multiple a number by 2 (double)present in a particular line number of a file, in Linux?
Issue File_A Name: John Smith Grade: 8 Institute: Baldwin Number of entries: 125 State: Texas File_B Name: David Buck Grade:…