Category O/S

bat file as administrator

I wanted to be able to run a bat file as administrator in order to have an easy shortcut to edit my windows hosts file. Here’s what I found Shortcut to edit windows hosts file as Admin Creating the batch…

restart service over ssh

I recently ran in to trouble restarting neo4j over ssh here’s the fix: From machine calling neo4j host ssh -f $USER@$HOST ‘sh -c “( (nohup sudo restart 2>&1 >output.file </dev/null) & )”‘ Target Machine Sudoers Replace “someuser” with whatever…

Testing SSL Chaining Issues

Recently I needed to debug an issue by testing SSL chaining issues My old standby tools (curl and openssl were not reporting any errors) The exception javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: Path does not chain with any of…

egrep valid ip address

Example to egrep valid ip address To egrep all valid ip addresses in current directory: egrep -r ‘[[:digit:]]{1,3}\.[[:digit:]]{1,3}\.[[:digit:]]{1,3}\.[[:digit:]]{1,3}’ . An Alternative: /bin/egrep ‘\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b’