Quick example of spawning a problem that have a password prompt and can’t accept a documented parameter for a password. I used another bash script to simulate a password prompt but in my automation challenge it was an executable that prompted. Main script just to take a password for passing…
Powerline for your terminal on Ubuntu
I noticed on Fedora it is really easy to enable powerline in your terminal. This article explains it well: http://fedoramagazine.org/add-power-terminal-powerline/ On Ubuntu 15.04 it looks like powerline is pretty easy to enable although it did not appear like the tmux or vim powerline plugins are available from regular repos. Enable…
ZFSSA List Snapshots Script
Quick script to illustrate interacting with the ZFS Storage Appliance. In this example I am listing ZFSSA snapshots containing a search string. Note I edited this for the article without re-testing it still works.
Watch Process Id
Sometimes you want to keep tabs on a long running process and get notified by email when it is done. This is an example of just that.
Multi-Array in Bash
Well kind of… When you are used to working in Python or any real language then Bash arrays are pretty lame. But it can help in a few circumstances when you have to use Bash. And the result looks like this:
Bash And Exclusions in a List
Just a quick snippet on doing exclusions when you loop through a list. For some reason on Solaris sed had an issue with “\b” so I adjusted to sed “s/$EXCLUDE//g”. Shown as follow:
Disown and background a Unix process
Ever run a very large job and regretting not starting it in the excellent screen utility? If you don’t have something like reptyr or retty, you can do the following. Push the running job into the background using Control-Z and then background it. Then disown that job from the terminal.…
Using Bash for root user on Solaris 10
By default Solaris 10 use “/” as root’s home directory and plain sh as a shell. If you want to change to using the /root directory as home and bash as a shell for more consistency with Solaris 11 you can do the following. Logout and back in and your…
Unix Find and Remove Python Style
No doubt the Unix find and remove command comes in very useful when cleaning up large folders. However find can quickly bump into the old “/usr/bin/find: Argument list too long” problem. For reference here is a command that works well. Except of course when too many files or directories involved. There…
Find and Remove Old Files on Linux
bash-3.00# find FOO/*bar* -mtime +30 -exec ls -lh {} \; -rwxrwxrwx 1 143 staff 16G Jul 13 04:08 FOO/bar_backup_201207130403.bak …snip -rwxrwxrwx 1 143 staff 16G Sep 12 18:34 FOO/bar_backup_201209121827.bak bash-3.00# find FOO/*bar* -mtime +30 -exec rm -f {} \; bash-3.00# find FOO/*bar* -mtime +30 -exec ls -lh {} \;