I am trying to create an bash script to expand a LVM disk, I mean, trying to automatize all the process from the video bellow:
Youtube search:
How To Extend LVM Disk For Linux Virtual Machine On VMware
At this point, I am very new in bash script and I am facing this just as a try, I don't know if I will get the final result that I need.
Well, I am stuck at the grep option bellow:
Code:
#!/bin/bash
# Increase LVM Disk
echo"$(fdisk -l)"
echo Which disk you want to increase the size? "(Please provide the full path, Example: /dev/sda2):"
read disk1
diskcompare="$(fdisk -l | grep "$disk1 " -o --max-count=1)"
if [ "$diskcompare" == "$disk1 " ]; then
echo"Valid Disk."
else
echo"Invalid Disk."
fi
I would like to compare the path (disk1) with the fdisk -l command to check if it is a valid disk.
The problem is that the way that it is writed at the moment it accept you to continue the script if you not type the entire path, example:
Code:
[root@linuxtest ~]# ./test.sh
Disk /dev/sda: 16.1 GB, 16106127360 bytes, 31457280 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000d345c
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 2099199 1048576 83 Linux
/dev/sda2 2099200 16777215 7339008 8e Linux LVM
/dev/sda3 16777216 31457279 7340032 8e Linux LVM
Disk /dev/mapper/centos-root: 14.2 GB, 14164164608 bytes, 27664384 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/centos-swap: 859 MB, 859832320 bytes, 1679360 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Which disk you want to increase the size? (Please provide the full path, Example: /dev/sda2):
/sda2
Valid Disk.
[root@linuxtest ~]#
It should match only the exactly values /dev/sda1 , /dev/sda2 or /dev/sda3.
Any help will be welcomed
Ty!
Last edited by Scrutinizer; 03-12-2020 at 09:14 AM..
Reason: quote tags -> code tags; Removed non-existing-font definition; Removed multi-color
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LEARN ABOUT DEBIAN
dpkg-www
DPKG-WWW(1) General Commands Manual DPKG-WWW(1)NAME
dpkg-www - program to remotely open a WWW Debian package browser
SYNOPSIS
dpkg-www [-s|--stdout] [-h|--host host] [query]
DESCRIPTION
dpkg-www is used to remotely control a WEB browser and open a dpkg URL on the local host from an interactive shell or script.
If the command is invoked while running under X-window the script will try to find an installed X browser to open the specified URL. If
not running under X it will try to use a text browser instead.
If Netscape is found and a Netscape instance is already running it will be asked to open the dpkg URL on localhost with the optional query
supplied on the command line. If there is no browser running, it will start automatically a new one.
The functionality provided by this program is identical to running a web browser with the -remote openURL(http://localhost/cgi-bin/dpkg)
argument or opening the same URL from within the browser.
dpkg-www-installer is an helper application which can configured in the WWW browser for web installation. It should never be invoked
directly by the user.
OPTIONS -s, --stdout
Redirect output to stdout. Requires one of the text browsers (lynx, lynx-ssl or links) installed.
-h, --host host
Send the query to a remote host, where dpkg-www must be installed.
query Specifies an optional package name, an absolute pathname or a query argument which is passed to the dpkg cgi-bin. See dpkg-www(8)
for more information about the use of the cgi.
FILES
/etc/dpkg-www.conf
~/.dpkg-www
Configuration files for dpkg-www. It is not necessary for these files to exist, there are sensible defaults for everything, but you
can specify your preferred www browser with the DPKG_WWW_BROWSER variable, for example: DPKG_WWW_BROWSER=mozilla
EXAMPLES
dpkg-www
This would open a dpkg URL on localhost listing all the installed packages.
dpkg-www bash
This would open a dpkg URL asking info on the bash package.
dpkg-www -h pisolo bash
This would open a dpkg URL asking info on the bash package on host pisolo.
dpkg-www 'dpkg*'
This would open a dpkg URL listing all packages matching dpkg*.
dpkg-www /bin/bash
This would open a dpkg URL asking info on the package(s) owning the file /bin/bash .
dpkg-www depends=svgalib
This would open a dpkg URL listing all packages depending on svgalib.
dpkg-www --stdout depends=awk | grep ^ii
This would list on stdout all packages depending on awk and grep all lines of installed packages.
SEE ALSO dpkg(8), dpkg-www(8)AUTHOR
Massimo Dal Zotto <dz@debian.org>.
Bugs should be reported via the normal Debian bug reporting system.
LICENCE
dpkg-www is licensed under the GNU General Public License version 2.
September 1, 2004 DPKG-WWW(1)
03-12-2020
