Use ngrep to capture syslog traffic
Instead of using wireshark on Linux to capture traffic try ngrep # sudo ngrep -d <interface> ‘<search string>’ ‘port 514’ source:
Category O/S
How to Install nginx and PHP on CentOS7
Install nginx and PHP on CentOS7 These are some notes from installing nginx on CentOS7 Install some prerequisites sudo yum -y groupinstall “Development tools” sudo yum -y install mlocate sudo yum -y install iptables-services sudo yum -y install php-mysql php-dom…
iis disable debug
In IIS to disable debug do the following. Modify the Web.config File Open the Web.config file in a text editor such as Notepad.exe. Web.config file is typically located in the application directory. Modify the compilation element and set debug=”false” <compilation…
diff two files and output lines not seen in file 2
Problem You need two diff two files and only output what is unique to file one. text file 1 contains: 1 2 3 4 5 text file 2 contains: 6 7 1 2 3 4 Solution $ awk ‘FNR==NR{a[$0]++;next}!a[$0]’ file1…
Using lzop on Windows
I wanted a fast way to backup an AppDynamics MySQL database directory on windows. The answer was lzop. Tools GoW 0.8.0 (GNU on Windows) lzop for Windows Setup Set your Enviornment PATH After installing GoW and extracting lzop.exe set your…
Active Directory Password Expiration Date
To find out the password expiration date for an Active Directory user you must first determine your domain’s password expiration policy and then when the password was last set. Find your Domain Password Expiration Policy import-module activedirectory Get-ADDefaultDomainPasswordPolicy Property MaxPasswordAge…
iis 7.5 The format of the specified network name is invalid – IIS Error 0x800704BE
Problem IIS 7.5 is holding on to an IP and you cannot get it to listen to the right IP. You might see this error message: The format of the specified network name is invalid – IIS Error 0x800704BE Solution…
backup perfmon counters
How to backup your perfmon counters The easiest way to backup your perfmon counters is to use the lodctr tool Lodctr Registers new Performance counter names and Explain text for a service or device driver, and saves and restores counter…
Block Countries Behind ELB
To block countries behind an ELB (Elastic Load Balancer) you should use Maxmind’s GeoIP Country Database. Problem You are unable to use iptables or ipset to block countries because of your Amazon Elastic Load Balancer Solution Use Maxmind’s GeoIP Country…
logstash ec2 instanceid
How to get Logstash to read your ec2 instance id logstash.sh !/bin/bash EC2_INSTANCE_ID=$(curl -s ) export EC2_INSTANCE_ID conf= lsjar= myjava=$(which java) if [ -z $myjava ]; then echo “java is required; please install openjdk or jre” exit 1 fi #…