Useful tips for everyday
What is the use of option in shell script? The getopts options are used in shell scripts to parse arguments passed to them. When arguments…
What is begin in lex? INITIAL is a state which is implicitly declared in all lex programs. (C_COMMENT is also a state, but it is…
How do I fix Ubuntu 20.04 installer stuck on updates? Now that we are done with the possible causes of the issue, let us go…
What is Journald for? Journald is a system service for collecting and storing log data, introduced with systemd. It tries to make it easier for…
Why is there no such file or directory? Either restart the agent ( gpgconf –kill gpg-agent) or, more drastically, reboot your machine and try again.…
What is Bindkey? Description. bindkey specified alone (without options, key, or key command) lists all bound keys and the editor command to which each is…
How do you change the permissions of all files in a directory in Linux? To change directory permissions for everyone, use “u” for users, “g”…
Can JVM run on multiple cores? Java will benefit from multiple cores, if the OS distribute threads over the available processors. JVM itself do not…
How do I fix not found command in Ubuntu? Fix the “make: command not found” Error Then, install the make command: sudo apt-get install -y…
How do I remove IP address from router interface? To delete an IP address, enter the no ip address command. This command deletes IP address…