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March 12, 2018

Amazon ec2 ami certbot-auto problem

Filed under: Linux — Tags: , , , , , , — admin @ 11:15 am

Today tried to renew some ssl and surprise

 

certbot-auto renew
Error: couldn’t get currently installed version for /opt/eff.org/certbot/venv/bin/letsencrypt:
Traceback (most recent call last):
File “/opt/eff.org/certbot/venv/bin/letsencrypt”, line 7, in <module>
from certbot.main import main
File “/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/certbot/main.py”, line 10, in <module>
import josepy as jose
File “/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/josepy/__init__.py”, line 41, in <module>
from josepy.interfaces import JSONDeSerializable
File “/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/josepy/interfaces.py”, line 8, in <module>
from josepy import errors, util
File “/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/josepy/util.py”, line 4, in <module>
import OpenSSL
File “/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/OpenSSL/__init__.py”, line 8, in <module>
from OpenSSL import rand, crypto, SSL
File “/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/OpenSSL/rand.py”, line 12, in <module>
from OpenSSL._util import (
File “/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/OpenSSL/_util.py”, line 6, in <module>
from cryptography.hazmat.bindings.openssl.binding import Binding
ImportError: No module named cryptography.hazmat.bindings.openssl.binding

 

Well tryied everything

rm -rf /opt/eff.org    ( didn’t worked for me )

Reinstalled same problem.

The only solution was this found on a comment on github

$ unset PYTHON_INSTALL_LAYOUT
$ /opt/eff.org/certbot/venv/local/bin/pip install –upgrade certbot
$ /opt/eff.org/certbot/venv/local/bin/certbot –help

 

 

 

April 8, 2015

ERROR: `/var/tmp/geoip/configure’ failed

Filed under: Linux — Tags: , , , — admin @ 10:49 am

I am trying to install geoip using
pecl install geoip
And I get this error “ERROR: `/var/tmp/geoip/configure’ failed”

The solution is to install
yum install geoip-devel

October 22, 2014

mod_rpaf and Amazon ELB

Filed under: Linux — Tags: , , , — admin @ 11:26 am

Well is clear that if you want to use the amazon elb, you will not see the $REMOTE_ADDR correctly and you will need mor_rpaf enabled and installed.
If you have a centos / redhat server I found this nice tutorial on this page

mod_rpaf and Amazon ELB
mod_rpaf-0.6-0.7.x86_64.rpm

And add this
LoadModule rpaf_module modules/mod_rpaf-2.0.so

RPAFenable On
RPAFsethostname On
RPAFproxy_ips 10.
RPAFheader X-Forwarded-For

April 20, 2012

s3fs and centos 6.2

Filed under: Linux — Tags: , , — admin @ 2:35 pm

Well today I was trying to install s3fs on a centos 6.2 server . So first of all I try this
yum install gcc libstdc++-devel gcc-c++ curl-devel libxml2-devel openssl-devel mailcap fuse fuse-devel
wget http://s3fs.googlecode.com/files/s3fs-1.61.tar.gz
tar xvzf s3fs-1.61.tar.gz
cd s3fs-1.61/
./configure --prefix=/usr
make
make install

However the configure wasn’t working because of fuse version. I have installed 2.8.3 and I need 2.8.4

So the solution was to recompile the fuse also
yum remove fuse fuse* fuse-devel
yum install gcc libstdc++-devel gcc-c++ curl curl* curl-devel libxml2 libxml2* libxml2-devel openssl-devel mailcap
cd /usr/local/src
wget "https://downloads.sourceforge.net/project/fuse/fuse-2.X/2.8.4/fuse-2.8.4.tar.gz?r=&ts=1299709935&use_mirror=cdnetworks-us-1"
tar -xzvf fuse-2.8.4.tar.gz
rm fuse-2.8.4.tar.gz
mv fuse-2.8.4 fuse
cd fuse/
./configure --prefix=/usr
make
make install
export PKG_CONFIG_PATH=/usr/lib/pkgconfig:/usr/lib64/pkgconfig/
ldconfig
modprobe fuse
pkg-config --modversion fuse (confirm that 2.8.4 is the version displayed)
cd ../
cd s3fs-1.61/
./configure --prefix=/usr
make
make install

February 23, 2012

Automatically assign an Elastic IP at Launch time

Filed under: Linux — Tags: , , , , — admin @ 5:45 pm

Today I have face a problem . We want to have all time same ip on our instances because of some rules on a firewall. So how to add automatically elastic ip on a ec2 instance when start automaticaly by load balancer ?
Well this is not possible to be done automaticaly using amazon, so we have to wrote a bash script to be run on start up.

Here is the script:

#!/bin/bash
date
export EC2_HOME=/opt/aws/apitools/ec2-1.4.4.2
export JAVA_HOME=/usr/lib/jvm/jre
export CLASSPATH=${EC2_HOME}/lib
export EC2_PRIVATE_KEY=/root/pk.pem
export EC2_CERT=/root/cert.pem
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/opt/aws/bin:/root/bin

ip=`/opt/aws/bin/ec2-describe-addresses -K /root/pk.pem -C /root/cert.pem |grep -v i-|head -1|awk {'print $2'}`
host=`hostname`
instance=`/opt/aws/bin/ec2-describe-instances -K /root/pk.pem -C /root/cert.pem | grep $host |awk {'print $2'}`
runmore=`/opt/aws/bin/ec2-describe-addresses -K /root/pk.pem -C /root/cert.pem|grep $instance`

if [[ $runmore == '' ]];then
if [[ $ip != '' ]];then
/opt/aws/bin/ec2-associate-address -K /root/pk.pem -C /root/cert.pem -i $instance $ip
fi
fi

Now all you have to do is to add this script on /etc/rc.d/rc.local to be run on startup . If your instance have a elastic ip asigned will not do anything, else will assing first free elastic ip.

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