I was wondering if you could alias a command, and use it in the same line of code, see this example: alias php=/opt/plesk/php/5.6/bin/php; php -v; I want this to output PHP 5.6. alias php=/opt/plesk/php/7.3/bin/php; php -v; and I want this…
The following test shell code test at: centOS 7 with bash shell; The code contains three phrase; phrase 1, call pwd command; phrase 2, read a big file(cat the file); phrase 3, do the same thing as phrase 1; The…
My English is very bad, but i'm try to explain my problem. I want to create a small program on bash in which the user will have to guess the numbers. But my program has no end. I'm novice on…
echo "hello" | tee test.txt cat test.txt sudo sed -e "s|abc|def|g" test.txt | tee test.txt cat test.txt Output: The output of 2nd command and last command are different, where as the command is same. Question: The following line in above…
I'm hosting a website on a web host using a nodejs application (expressjs, request, etc.). The web host has an apache terminal from where I can call node app.js & or forever start app.js and the app runs fine. However,…
This script currently monitors a log file for keywords. Upon discovery of said keywords, the script then produces a message pertaining to the state of a server (up or down). It then outputs an email directly to me. The rest…
I have a script that is supposed to start gunicorn: set -x cd $VIRTUALENV . bin/activate pip freeze cd $DJANGODIR ### Start Gunicorn exec gunicorn ${DJANGO_WSGI_MODULE}:application --name $NAME --workers $NUM_WORKERS --user=$USER --group=$GROUP --log-level=debug --bind=127.0.0.1:8000 From the output of it, it…
I wrote a script that check last httpd error logs for the last 10 min but i got an error it stay looping: the problem is that the output of the script is a loop of errors until the log…
Is it possible to intercept all commands in bash and the prevent some of the from executing? Like with 'trap' command, only disallow to execute the command further. I'm a web developer and currently working on a small project/script that…
I'm running Centos 7. I need to have a cron job that moves everything from /media/tmp to /media/tv except the .grab and Transcode folders. Yesterday I thought that the following worked, but today it moves the Transcode folder as well.…