Reinstall OpenSSH Server Rumi, June 21, 2014 First if you have any pre-installed SSH server that has gone bad, remove it- on Redhat Architechture Type the following commands as the root user: # chkconfig sshd off # service sshd stop # yum erase openssh-server You need to edit and update firewall rules that allows inbound connections to… Continue Reading
Install VNCServer on Centos 5 Rumi, June 6, 2014 Install VNC Server to operate CentOS with GUI remotely from Windows client. VNC is already installed if you already build Desktop Environment. If it's not installed, Install by a command 'yum -y install vnc-server'. [root@ns ~]# yum -y install vnc-server [root@ns ~]# vi /etc/sysconfig/vncservers # line 20: make valid… Continue Reading
Update PHP 5.1 to PHP 5.4 in CentOS Rumi, June 6, 2014 Update Yum repos For 32 bit CentOS- wget http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm wget http://rpms.famillecollet.com/enterprise/remi-release-5.rpm For 64 bit CentOS- wget http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm wget http://rpms.famillecollet.com/enterprise/remi-release-5.rpm rpm -Uvh remi-release-5*.rpm epel-release-5*.rpm Now it’s time to update our PHP to the latest one yum –enablerepo=remi update php php-* /etc/init.d/httpd restart And that’s it! You can check your installed PHP version executing: php… Continue Reading
VBoxHeadless Running Virtual Machines With VirtualBox On A Headless CentOS 6x Server Rumi, June 6, 2014 Preliminary Note I have tested this on a CentOS 6.2 server (host system) with the IP address 192.168.0.100 where I’m logged in as a normal user (user name vbox in this example) instead of as root. If you only have a root account, but no normal user account, create… Continue Reading
Yum Cache Clear command Rumi, June 6, 2014 When a package is downloaded, installed and is removed there is a chance that the package may still be saved/stored in the yum’s cache. So to clean all the cached packages from the enabled repository cache directory, login as root and execute the following: yum clean packages To purge the… Continue Reading
LAMP on CentOS Rumi, June 6, 2014September 8, 2016 Installing MySQL 5 To install MySQL, we do this: yum -y install mysql mysql-server Then we create the system startup links for MySQL (so that MySQL starts automatically whenever the system boots) and start the MySQL server: chkconfig –levels 235 mysqld on /etc/init.d/mysqld start Set passwords for the MySQL root… Continue Reading
Reinstall Openssh server on Debian 6/7 Rumi, June 6, 2014 Linux: Debian / Ubuntu Linux Remove SSHD Server Type the following commands: # apt-get –purge remove openssh-server Now reinstall the openssh again using- # apt-get install openssh-server Voila Src: http://www.cyberciti.biz/faq/howto-unix-linux-remove-delete-opensshd-server/ Continue Reading
Reset root password in Centos/Redhat/SL linux Rumi, June 6, 2014 1. Boot the system and when you see the following message “Press any key to enter the menu”, press any key. (You will see the list of available kernel versions.) 2. Press e in order to edit commands before booting. 3. Highlight the list item with vmlinuz in it by… Continue Reading
Install VNCServer on Centos 5 Rumi, December 5, 2013 Install VNC Server to operate CentOS with GUI remotely from Windows client. VNC is already installed if you already build Desktop Environment. If it's not installed, Install by a command 'yum -y install vnc-server'. [root@ns ~]# yum -y install vnc-server [root@ns ~]# vi /etc/sysconfig/vncservers # line 20: make valid and… Continue Reading
Install nginx using yum on CentOS or SL Linux Rumi, October 25, 2013 Step #1: Install nginx repo Type the following wget command to install nginx yum configuration file: # cd /tmp CentOS Linux v6.x user type the following command: # wget http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm # rpm -ivh nginx-release-centos-6-0.el6.ngx.noarch.rpm RHEL v6.x user type the following command: # wget http://nginx.org/packages/rhel/6/noarch/RPMS/nginx-release-rhel-6-0.el6.ngx.noarch.rpm # rpm -ivh nginx-release-rhel-6-0.el6.ngx.noarch.rpm Continue Reading