SSH refusing connection with message “no hostkey alg”
zam If you try to ssh to your server and getting this error: no hostkey alg Try to run this command at your terminal: ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key ssh-keygen -t…
linux
Install/Upgrade to MySQL 5.6 on Ubuntu 12.04 LTS
First, you need to get MySQL installers from https://dev.mysql.com/downloads/mysql/#downloads I ran following command to get MySQL 5.6.14(32bit): wget -O mysql-5.6.14.deb https://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.14-debian6.0-i686.deb/from/http://cdn.mysql.com/ Install dependency sudo apt-get install libaio1 Then install Mysql…
SSH warning: unprotected private key file!
Recently I tried to playing around with Amazon EC2 server. After subscribing & setup my server, it will give you cert pem key to access the server instead of entering…
Check MySQL db size
If you want to find how much your database size in MySQL, you can run this command in mysql console: If you want the output in MB’s: mysql> SELECT table_schema…
How to install ClamAV on Ubuntu Server 12.04
Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable…
w00tw00t.at.blackhats.romanian.anti-sec – WTF!?
One day you may find a bunch of requests in a short period of time with unusual and suspicious user agent in your Apache web server’s logs. Something like Made…
Unable to run autoconf on configure.ac
configure.ac:15: error: possibly undefined macro: AM_INIT_AUTOMAKE If this token and others are legitimate, please use m4_pattern_allow See the Autoconf documentation You can use this solution to solve it. – sudo…
How to SSH bruteforce on Linux/Mac OS X
SSH is an acronym for Secure Socket sHell, which provides a secure connection access to a remote machine. By using this SSH Bruteforce tool, you can test security stuff like…
Extract unique IP address from Apache & Nginx log file
Lets say you wanted to count the number of unique IP addresses hitting your Apache server. It’s very easy to do in a Linux (or compatible) shell. In this tutorial,…
ssh-copy-id on a different port
ssh-copy-id has known problems with handling non-standard ports. For example if you try to connect with different port than 22 e.g. 1337. To overcome this issue, you should use a…