Mysql upgrade error: mysqld: unknown variable ‘master-host=
Are you trying to setup on replication on + ? After upgrading, your mysql can’t start,and the log show “unknown variabled ‘master-host=’ The following options are removed in MySQL...
How to check your Ubuntu / Linux Release version
run this lsb_release -a
CVE-2014-6271 bash vulnerability, and how do I fix it?
============================================================================== Check if you need to update Running this: env x='() { :;}; echo vulnerable’ bash -c “echo this is a test” If you are vulnerable , you will...
How to update your Ubuntu Security Patch ?
You can run the following commands: apt-get update apt-get dist-upgrade
Finding Drivers Easily with DriverIdentifier
Driver identifier is the best and powerful tool allows you to find the latest drivers for printers, LAN cards, modems, scanners, graphic cards, sound cards, mother boards and many...
CentOS : Can’t send outbound message?
After installing Centos and Sendmail , you can’t send mail from PHP , you might have a warning ” can not initial mail function ” from php page Resolution:...
adding sudoer
sudo usermod -a -G sudo
Monitoring Apache2/php process
watch -n 1 “ps u -C apache2,apache,php”
How do i run a file automatically when my linux starts?
Put the command you want to run on this file /
monitoring apache process command
watch -n 1 "echo -n 'Apache Processes: ' && ps -C apache2 --no-headers | wc -l && free -m"