So, what to do if a customer has a server which is frequently crashing? Well, important things to check is open files, to look at all the users in \/etc\/passwd and substitute the username to check each of their cron jobs and check the files which are open using the apache process id.<\/p>\n
This will help rule out a lot of common issues being seen on servers, and may even be of use for checking whether the server has been hacked.<\/p>\n
\r\nnetstat -ntulp\r\nfor i in $(awk -F: '{print $1}' \/etc\/passwd); do crontab -l -u $i ;done\r\nlsof -p $(cat \/var\/run\/apache2\/apache2.pid) | grep log\r\n<\/pre>\nThis is a nice one liner, thanks to my colleague Aaron for providing this, well, actually it was so awesome I stole it \ud83d\ude1b<\/p>\n","protected":false},"excerpt":{"rendered":"
So, what to do if a customer has a server which is frequently crashing? Well, important things to check is open files, to look at all the users in \/etc\/passwd and substitute the username to check each of their cron … Continue reading