NFS fix on LXC Host Server Rumi, March 17, 2016July 28, 2018 NFS client on LXC seems do not work. Why? The problem is apparmor on the real machine that block any appempt to mount NFS volumes. In order to try to minimize the security changes on apparmor I add the following lines in/etc/apparmor.d/lxc/lxc-default # allow nfs mount everywhere mount fstype=rpc_pipefs, mount… Continue Reading
Remote Administering pfsense Rumi, March 15, 2016 To open the firewall GUI up completely, create a firewall rule to allow remote firewall administration – do not create a port forward or any other NAT configuration. Example Firewall Rule Setup Firewall > Rules, WAN Tab Action: pass Interface: WAN Protocol: TCP Source: Any (or restrict by IP/subnet) Destination:… Continue Reading
Install webmin on debian 8 Rumi, March 10, 2016 To install webmin on debian 8 just follow this instructions : cd /root wget http://www.webmin.com/jcameron-key.asc apt-key add jcameron-key.asc echo “deb http://download.webmin.com/download/repository sarge contrib” >> /etc/apt/sources.list echo “deb http://webmin.mirror.somersettechsolutions.co.uk/repository sarge contrib” >> /etc/apt/sources.list apt-get update apt-get -y install webmin Continue Reading
Proxmox 4 Installation Issue on LSI Raid Systems Rumi, March 4, 2016 I was installing Proxmox 4.X on my new server systems having SAS disk with LSI MPT2 Raid controller. The installation went just perfect, however, after post installation boot- I was getting errors as below similar screenshot- After googling a lot, found the solution. Here goes it- Continue Reading
Reverse Proxy with Caching Rumi, February 15, 2016 A Sample Nginx Reverse proxy configuration- an alternative to Varnish cache (kind of more simplistic)- user www-data; worker_processes 4; pid /var/run/nginx.pid; events { worker_connections 768; # multi_accept on; } http { proxy_cache_path /cache levels=1:2 keys_zone=STATIC:10m inactive=24h max_size=1g; server { location / { proxy_pass http://127.0.0.1:8080; proxy_set_header Host $host; proxy_cache STATIC; proxy_cache_valid… Continue Reading
GoodReads: How to use Docker in a practical way (part 1 – Introduction) Rumi, February 10, 2016 Part 1: Introduction to the terminology Preface It is not an uncommon situation, for early adopters of newly introduced concepts and technologies, to be totally confused when these can fundamentally change the ways of developing and delivering services. Especially when everybody talks about something like Docker, and how awesome and… Continue Reading
Virtualbox Disk Reduce or Disk Compact Rumi, February 9, 2016February 9, 2016 You have to do the following steps: 1. Run defrag in the guest (Windows only) Nullify free space: With a Linux Guest run this: sudo dd if=/dev/zero of=/bigemptyfile bs=4096k sudo rm -rf /bigemptyfile Or: telinit 1 mount -o remount,ro /dev/sda1 zerofree -v /dev/sda1 Or sudo apt-get install secure-delete sfill -f -z… Continue Reading
Reinstalling MySQL on CentOS/Redhat 6 Rumi, February 7, 2016 Some time we faces issues with MySQL installation on Linux machine. If we simply remove MySQL packages and re-install doesn’t fixes the issue, in that case old settings may still exists on server which again affects new install. In that case first uninstall MySQL completely from system and erase all… Continue Reading
Simple failover cluster using UCARP on Ubuntu (Heartbeat Alternative) Rumi, January 24, 2016 In this tutorial, I’ll show you the steps to create a simple failover cluster on Ubuntu using CARP. To make the things meaningful,we’ll create the cluster for Apache service but you can use it for any other service, which relay on IP. Scenario: Here is my Setup: PrimarySrv: This is the… Continue Reading
iExplore- Cool software for managing iPhone 5 Rumi, January 18, 2016 Was looking for a PC edition software that can interact and do all things on the iPhone, particularly- Backing up SMS Backing up contacts instead iCloud Accessing Notes Accessing Calendar Accessing Safari bookmarks Fundamentally above items are enough! SO let’s go, what I did to achieve it- iExplorer An iPhone,… Continue Reading