Install Memcache Rumi, November 11, 2012June 20, 2013 By default PHP loads and saves sessions to disk. Disk storage has a few problems: 1. Slow IO: Reading from disk is one of the most expensive operations an application can perform, aside from reading across a network. 2. Scale: If we add a second server, neither machine will be… Continue Reading
Understanding Linux CPU Load Rumi, November 10, 2012 You might be familiar with Linux load averages already. Load averages are the three numbers shown with the uptime and top commands – they look like this: load average: 0.09, 0.05, 0.01 Most people have an inkling of what the load averages mean: the three numbers represent averages over progressively… Continue Reading
Reset root Password for Redhat/CentOS/Sl Linux 5.x Rumi, November 1, 2012November 1, 2012 You can log in using single-user mode and create a new root password. To enter single-user mode, reboot your computer. If you use the default boot loader, GRUB, you can enter single user mode by performing the following: At the boot loader menu, use the arrow keys to highlight the… Continue Reading
Create Customer Linux Distribution Rumi, October 27, 2012October 27, 2012 Remastersys We’ve previously covered Remastersys. It’s one of a group of tools that create your ISO files using the filesystem on which it’s being run. You essentially clone your current Debian/Ubuntu install and make it into a live CD. This makes it extremely easy to customize every little thing about… Continue Reading
zimbra admin password reset Rumi, October 4, 2012 To reset the administrative password: su – zimbra zmprov sp <admin email address> <new password> To get a list of all administrators: su – zimbra zmprov gaaa To access the admin console: https://YOURHOST:7071 Remember that the administrative console (sometimes) requires a full email address as the login name, so you… Continue Reading
XRDP in OpenSuse 11.0/11.2/11.3 Rumi, September 28, 2012 This tutorial is for advanced users who prefer to skate all the detail that attaches to a "new user" Tutorial. The details (wherein lies the devil) are here: Windows Linux RDP Remote Desktop Connections using openSUSE as Client or Server (terminal server) FWIW there's also an 11.1 version there. Tested… Continue Reading
Zimbra 8 Community edition on Scientific Linux 6 (64 Bit) Rumi, September 15, 2012September 15, 2012 Install SL 6.3 (64 bit) Installing SL6.3 (64bit) with 'minimal' installation mode Post installing, fix with the Static IP Address (Public IP and I assume the system is not behind firewall) Double check with /etc/resolv.conf file parameters Prerequisites for ZImbra installation Let's firsy update- yum update Let's install some pckages… Continue Reading
Install nginx on virtualmin (GPL) server Rumi, August 26, 2012 Installing Nginx Support Switching a system from the Apache webserver (installed by default by Virtualmin to Nginx should only be done if no virtual servers with websites have been created yet. Ideally the change should be done on a freshly installed system, running RHEL 6.0, CentOS 6.0 or Debian 6.0… Continue Reading
Redhat/CentOS install PHP on NginX server as fastcgi Rumi, August 26, 2012 tep # 1: Enable EPEL repo ngnix is not included in the base system. Turn on EPEL repo to install nginx stable release: # rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/$(uname -m)/epel-release-5-3.noarch.rpm Step # 2: Install ngnix Type the following command at a shell prompt: # yum install nginx Sample output: Loaded plugins: downloadonly,… Continue Reading
Network Configuration on Debian or Ubuntu Rumi, August 24, 2012 Setting up an Ethernet Interface The majority of network setup can be done via the interfaces configuration file at /etc/network/interfaces. Here, you can give your network card an IP address (or use dhcp), set up routing information, configure IP masquerading, set default routes and much more. Remember to add… Continue Reading