Moments with Linux

All of the following steps should be done as ROOT user in terminal. 1] Download the package for yum repository configuration on your machine,using wget http://linuxdownload.adobe.com/adobe-release/adobe-release-i386-1.0-1.noarch.rpm You can get the lates one from here 2] Once the download is complete,run command # rpm -ivh adobe-release-i386-1.0-1.noarch.rpm 3] Now your box is configured to use flash plufuns available from ADOBE 4] To install flash ,just type in # yum install flash-plugin -y 5] Restart Firefox. 6] Verify that flash have installed close the browser instances and reopen them and browse the following link .

Few wrong settings that can prevent the 'Root' user to login to the linux box are 1) The Shell Check for the login shell that the system is offering to the 'Root' user. Steps for checking this i) Log in to the system in a single user mode. Help ii) Check for login shell under the /etc/passwd using following # grep root /etc/passwd in the results look for the line starting with 'root' check for the last entry considering ':' as a delimiter. iii) If the entry is '/sbin/nologin' that means the root user is not being provided a shell that enables a user to login to the system and perform tasks.We need to change this shell to /bin/bash so that user is allowed to login. iv) To change this we need to fire a single command. # usermod -s /bin/bash root this command will change the shell for the root user to /bin/bash as desired. v) The new shell can be cross checked by running the command used previously in step ii. # grep root /etc/passwd this time the l...

Steps for entering the single user mode. i) Reboot the machine,at GRUB [Boot Loader] there will be the listing of the Kernel selection. ii) Select the version of the kernel that you wish to boot and type e for edit. A list of items in the configuration file for the Kernel you just selected will show up. iii) Select the line that starts with kernel and type e to edit the line. iv) At the end of this line, giving the Space type-in 1 . Press [Enter] to exit edit mode. v) Once back at the GRUB screen, type b to boot into single user mode.