Useful tips for everyday
Are bash variables stored as strings? Unlike many other programming languages, Bash does not segregate its variables by “type.” Essentially, Bash variables are character strings,…
How do I download a file using shell script? Shell Script to Download Files From a Source Directory on a Remote FTP Server Current Server…
How do I reset my supervisor process? Start / Stop a Service To start a non-running service or stop a running one, use supervisorctl start…
How do I exit SSH in terminal? Two ways: closing the shell session will usually exit, for example: with the shell builtin command, exit ,…
How do I get rid of and replace pages in a PDF? Open the PDF that contains the pages you want to replace. Choose Tools…
How does firewall work in Ubuntu? ufw – Uncomplicated Firewall The default firewall configuration tool for Ubuntu is ufw. Developed to ease iptables firewall configuration,…
Why is my Bluetooth headset volume so low? Due to some phone’s operating systems, you may find your volume is too low. For Android devices,…
How do I save a Windows session? How to Save and Restore Your Windows Session Allow the Important Stuff to Startup with your System. There…
Can I zip a folder and subfolders? Right click the file or folder you want to compress and select “Properties”. On the General tab in…
What happens when a process having no child? If any process has no child process then wait() returns immediately “-1”. What happens when a process…