eignatov

# generate OpenSSL CSR here
# https://www.digicert.com/easy-csr/openssl.htm

# to cer

cat COMODORSADomainValidationSecureServerCA.crt COMODORSAAddTrustCA.crt AddTrustExternalCARoot.crt  > yourdomain.com.cer

# to pem

cat yourdomain.com.crt COMODORSADomainValidationSecureServerCA.crt COMODORSAAddTrustCA.crt AddTrustExternalCARoot.crt yourdomain.com.key > yourdomain.com.pem

eignatov

Config is 2vCPU, 2 GB RAM and running Debian 7 on 64 bits.

apt-get update
apt-get upgrade
apt-get install htop

Add localadmin user

adduser localadmin

apt-get install sudo

eignatov

# Copied from http://ttaportal.org/wp-content/uploads/2012/10/7-Reallocation-using-LVM.pdf

##
## Showing the problem: need to reallocate 32GB from /dev/mapper/pve-data to /dev/mapper/pve-root
##

df -h
#    Filesystem Size Used Avail Use% Mounted on
#    /dev/mapper/pve-root 37G 37G 0 100% /
#    tmpfs 2.0G 0 2.0G 0% /lib/init/rw

eignatov

#!/bin/bash
## Install ISPConfig 3.x on CentOS 7 64Bits
## http://devdocs.magento.com/guides/v2.0/install-gde/prereq/php-centos.html
## https://www.howtoforge.com/tutorial/perfect-server-centos-7-2-apache-mysql-php-pureftpd-postfix-dovecot-and-ispconfig/2/
## http://nareshv.blogspot.com.br/2014/02/configure-hhvm-with-apache-fastcgi-on.html
## ISPConfig3 3.x + Apache2 + CentOS 7 64Bits
## VM HD 50GB, swap 2GB, / 19GB, /var/www all
## Filesystem ext4
## Run as root

eignatov

curl -u <username_here> https://api.github.com/user/repos -d '{"name":"curltest", "description": "testing description"}'
=> Enter passphrase:

// Example test case(below):
cd <local_repo_dir_path>
mkdir curltest
cd curltest
git init
touch curltest.txt
subl& culrtest.txt

eignatov

#!/bin/bash

# the source: http://serverfault.com/questions/515833/how-to-remove-private-key-password-from-pkcs12-container

if [ $# -ne 2 ]
then
  echo "Usage: `basename $0` YourPKCSFile YourPKCSPassword"
  exit $E_BADARGS
fi

eignatov

lftp -u <ftp_user>,<ftp_password> <ftp_host> -e "rm -rf `date  --date="3 days ago" '+%Y-%m-%d_'`*; exit"

# make sure to escape % for cron:
lftp -u <ftp_user>,<ftp_password> <ftp_host> -e "rm -rf `date  --date="3 days ago" '+\%Y-\%m-\%d_'`*; exit"

eignatov

# shell command:
pg_dump <db_name> -U <db_user> -h <db_host> | gzip | curl -u <ftp_user>:<ftp_password> ftp://<ftp_host>/`date '+%Y-%m-%d_%H-%M'`/db_backup.sql.gz --ftp-create-dirs -T -

# if you want to execute it through cron, be sure to escape all %!
# for crontab:
pg_dump <db_name> -U <db_user> -h <db_host> | gzip | curl -u <ftp_user>:<ftp_password> ftp://<ftp_host>/`date '+\%Y-\%m-\%d_\%H-\%M'`/db_backup.sql.gz --ftp-create-dirs -T -

eignatov

# remove
/usr/libexec/PlistBuddy -c 'Add :LSUIElement bool true' /Applications/iTerm.app/Contents/Info.plist

# restore
/usr/libexec/PlistBuddy -c 'Delete :LSUIElement' /Applications/iTerm.app/Contents/Info.plist

eignatov

How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.

Step 1 - Enable NBD on the Host

modprobe nbd max_part=8