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Saturday 8 June 2019

Switch between multiple PHP version in Ubuntu

If you have two php versions (e.g. PHP7.2 and PHP 5.6 ) installed in your ubuntu system.


Switch from PHP 5.6 to PHP 7.2 =====>

Apache:-
sudo a2dismod php5.6
sudo a2enmod php7.2
sudo service apache2 restart
 
Command Line:-
sudo update-alternatives --set php /usr/bin/php7.2
sudo update-alternatives --set phar /usr/bin/phar7.2
sudo update-alternatives --set phar.phar /usr/bin/phar.phar7.2
sudo update-alternatives --set phpize /usr/bin/phpize7.2
sudo update-alternatives --set php-config /usr/bin/php-config7.2  

Switch from PHP 7.2 to PHP 5.6 =====>
 
Apache:-
sudo a2dismod php7.2
sudo a2enmod php5.6
sudo service apache2 restart

Command Line:-
sudo update-alternatives --set php /usr/bin/php5.6
sudo update-alternatives --set phar /usr/bin/phar5.6
sudo update-alternatives --set phar.phar /usr/bin/phar.phar5.6
sudo update-alternatives --set phpize /usr/bin/phpize5.6
sudo update-alternatives --set php-config /usr/bin/php-config5.6
 


Tuesday 21 May 2019

Record SSH terminal of some user in Linux


Record you terminal's stdin/stdout to a server.

You can use script command to record all the activity on terminal.

Consider using script command
 
$ script <output_filename>
 
and then ssh to your server, once you are done close your ssh connection and 
$ exit
 
to stop the screen recording.
You could make sure your recordings are always named uniquely by using the following convention,

$ script filename_(date +"%Y-%m-%d%H%M%S")

you can add this line in users .bashrc.
or you can create bash script for this,

for e.g.

create one bash script named, recording.sh
 
#!/bin/bash
_ck=`ps -ef | grep -i script | grep -v grep | grep -i filename`
if [ ! -n "$_ck" ]; then
        echo "running" >>/tmp/.purval
        script filename_$(date  +"%Y-%m-%d%H%M")
fi
 
 
for e.g. script is located in users home folder. i.e. $HOME/recording.sh
you can call the script into .bashrc.

Tuesday 8 January 2019

How to run executable scripts in Nautilus?

when i am trying to open executable scripts (e.g. .sh) from nautilus then it will directly open scripts into text editor.


Solution:
1. open Nautilus
2. Open this from menu bar.
           settings -> Preferences
3. Select the 'Behavior' tab.
4. Select "Ask each time" under "Executable Text Files".
5. Close the window.

enter image description here

And it works.

SSH not working with password after upgrade ubuntu 22.04

Issue: In recent upgrade of ubuntu 22.04 we are not able to login server with SSH password. but when we try to login with key then it allow...