Posts tagged as:

shell script

How do I specify MySQL SQL queries on the UNIX / Linux command line?

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How do I find out if a file is more than one hour old in a UNIX shell and take action on all matching file such as delete or move files.

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How do I number each line to a text file? How do I write a shell script to display text file with line numbers added?

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Q. When I start a program from the terminal, it closes when I close the terminal windows? How do I stop program quitting when the terminal is closed?

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Q. How can you test if a file is writable under UNIX / Linux bash shell scripting?

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Q. How do I convert uppercase words to lowercase or vise versa under BASH shell? I’ve a small shell script and I’d like to convert all incoming user input to lowercase using a shell script.

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Q. How do I check whether a directory is empty or not under Linux / UNIX using a shell script? I’d like to take some action if directory is empty.
A. There are many ways to find out if a directory is empty or not under UNIX / Linux bash shell. You can use find command [...]

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Q. How do I generate random password to use with my shell script?
A. You can use makepasswd or mkpasswd command to generate random password under Linux / UNIX.
mkpasswd command is overfeatured front end to crypt(3) function. makepasswd command generates true random passwords by using the /dev/random feature of Linux, [...]

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Q. I’d like to run a command or shell script immune to hangups, with output to a non-tty or file. How do I use nohup command to run script called ~/utils/backup upload?
A. nohup is a Unix command that is used to run another command while suppressing the action of the HUP (hangup) signal, enabling the [...]

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Q. I’m new to Linux and I’ve dedicated VPS server running Ubuntu Linux. I’m using CMS software and MySQL act as database server. Can you explain how can I backup all mysql server databases to ftp server IP address called 10.1.5.2?
A. You can use mysqldump command to backup database. The mysqldump client [...]

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