Archives for General - Page 33
nginx – upstream sent too big header while reading response header from upstream
Modify your nginx configuration and change/set the following directives: proxy_buffer_size 128k; proxy_buffers 4 256k; proxy_busy_buffers_size 256k;
Heartbleed fix for Ubuntu
If your apt-get repositories don’t contains any precompiled OpenSSL version, so just download sources from official website and compile it. Below the single command line to compiling and install the last openssl...
Forbidden access after upgrading apache
the new apache conf doesn’t use order ,allow command , so you need to remove it and use require all granted Options -Indexes AllowOverride all # Order allow,deny #...
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