Reset a MySQL root password for Debian Rumi, July 14, 2016 Use the following steps to reset a MySQL root password by using the command line interface. Stop the MySQL service (Ubuntu and Debian) Run the following command: sudo /etc/init.d/mysql stop (CentOS, Fedora, and Red Hat Enterprise Linux) Run the following command: sudo /etc/init.d/mysqld stop Start MySQL without a password Run… Continue Reading
Install ioncube on Linux server Rumi, July 14, 2016 Begin by downloading the latest loaders to your computer from http://www.ioncube.com/loaders.php Extract the contents of the archived file on your local PC to a folder of your choice. Upload the folder IONCUBE via FTP to your domain webspace Now establish an SSH connection with server using a suitable client (e.g…. Continue Reading
ip_conntrack table full, dropping packet Rumi, July 3, 2016 Last week, I found myself with a server under low load, but it couldn’t make or receive network connections. When I ran dmesg, I found the following line repeating over and over: ip_conntrack: table full, dropping packet I’d seen this message before, but I headed over to Red Hat’s site… Continue Reading
Auto installation of Zenoss on CentOS 6 Rumi, June 19, 2016 The simplest way to install Zenoss Core 4.2 on a newly-deployed RHEL/CentOS 64-bit 5/6 system is to use our auto-deploy script, which downloads all required files for you. To use the script, first set up a new server running one of our supported operating systems. Then, as root, run the… Continue Reading
413 Request Entity Too Large Rumi, June 9, 2016 If you’re getting 413 Request Entity Too Large errors trying to upload with nginx.net/, you need to increase the size limit in nginx.conf . Add ‘client_max_body_size xxM’ inside the server section, where xx is the size (in megabytes) that you want to allow. http { include mime.types; default_type application/octet-stream; sendfile… Continue Reading
Understanding NAT, Direct Routing & Tunneling Rumi, May 3, 2016 Virtual Server via NAT The advantage of the virtual server via NAT is that real servers can run any operating system that supports TCP/IP protocol, real servers can use private Internet addresses, and only an IP address is needed for the load balancer. The disadvantage is that the scalability of… Continue Reading
Testing Freeradius of Pfsense Rumi, April 4, 2016April 4, 2016 FreeRADIUS offers an easy to use command line tool to check if the server is running and listening to incoming requests. Aninterface, a NAS/Client and a user must all be configured: Add a User with the following configuration:Username: testuser Password: testpassword Add a Client/NAS with the following configuration:IP-Address: 127.0.0.1 Shared… Continue Reading
TeamViewer for Headless Linux Unattended System Access Rumi, March 20, 2016 Googled for hours, couldn’t found a solid documentation on this. After many different stitching material- prepared a little moderate installation (at least it worked for me). My Linux OS is Debian 8.x- believe should work in other debian version and Ubuntu as well. But, before continuing this, make sure- You have… Continue Reading
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