How to login OpenNebula VM using Putty by public key exchanging Rumi, July 31, 2015July 31, 2015 Generating OpenSSH-compatible Keys for Use with PuTTY To generate a set of RSA keys with PuTTYgen: Start the PuTTYgen utility, by double-clicking on its .exe file; For Type of key to generate, select SSH-2 RSA; In the Number of bits in a generated key field, specify either 2048 or 4096… Continue Reading
Branding the Sunstone Portal Rumi, July 31, 2015July 31, 2015 You can easily add you logos to the login and main screens by updating the logo: attribute as follows: The login screen is defined in the /etc/one/sunstone-views.yaml. The logo of the main UI screen is defined for each view in the view file. Find more on: http://docs.opennebula.org/4.8/administration/sunstone_gui/suns_views.html Continue Reading
perl(Net::SSLeay) is needed by webmin Rumi, July 16, 2015 So the Webmin on Redhat/CentOS is now requiring this particular perl module to be pre-installed before the RPM installer begins. A very short cut to install this module by using yum- yum install -y perl-Net-SSLeay Voila! your done. Continue Reading
Mustafizur stars in landmark series win- Bangladesh v India, 2nd ODI, Mirpur Rumi, June 22, 2015June 22, 2015 Bangladesh 200 for 4 (Shakib 51*, Ashwin 1-32) beat India 200 in 45 overs (Dhawan 53, Mustafizur 6-43) by six wickets (D/L method) Mustafizur Rahman was the hero in Mirpur again, (off)cutting through India’s batting with a six-wicket haul to add to his five-for on ODI debut, and launching Bangladesh… Continue Reading
Zimbra Domain Administration (Multi-tenant) Rumi, June 4, 2015 In order to create a multi tenancy in zimbra OSA, can be acheived through a bash script below. Thanks to Ahmad Imanuddin (http://www.imanudin.com) for sharing this very useful script. cd /srv/ vi admin-delegate.sh Fill with the following line : Continue Reading
Zimbra Increasing Attachment Size works for 8.5 Rumi, June 4, 2015 Through zimbraGUI didn’t find it how to do it, but through console it appeared to be working with the following set of commands to modify postfix actually- su zimbra zmprov mcf zimbraMtaMaxMessageSize 20971520 zmprov mcf zimbraFileUploadMaxSize 20971520 zmprov mcf zimbraMailContentMaxSize 52428800 zmprov modifyConfig zimbraMtaMaxMessageSize 52428800 postfix reload Once theyre executed,… Continue Reading
Two Default Gateways on One System Rumi, May 21, 2015 Problem Description You have built two or more network cards into one Linux system and each of these cards has its own default gateway. By default, you can only have one default gateway on a system. The case described would lead to asynchronous routing, whereby the router would reject the… Continue Reading
2 Gateways or Multiple Gateway on a single CentOS box Rumi, May 21, 2015 Scenerio- eth0- 172.30.0.100 | Gateway- 172.30.0.97 eth1- 192.168.2.247 | Gateway- 192.168.2.1 Need to connect to SIP BOX destination (fictitious)- 202.140.1.1 eth0 has not internet access but it uses the mentioned (172.30.0.97) as gateway to reach 202.140.1.1 server eth0 has internet access by using 192.168.2.1 gateway. Here goes the configuration on /etc/sysconfig/network-scripts/ifcfg-eth0 Continue Reading
Proxmox VM path Rumi, May 7, 2015 Backups /var/lib/vz/dump ISOs /var/lib/vz/template/iso Images /var/lib/vz/images Templates /var/lib/vz/template/cache Continue Reading
Pf vs Iptables- a Great comparative article Rumi, May 3, 2015 I enjoyed reading the following article, though would worth keeping a copy on my blog. Happy Reading- Today I will be talking a lot about OpenBSD, FreeBSD and other Unix-like operating systems from the Berkeley Software Distribution. I thought that would be appropriate being my first document on Unixmen. I… Continue Reading