Category Archives: Linux

Articles for Linux

CentOS ISO Images Download

CentOS 6.3 32 bit minimal install ISO http://mirror.wiredtree.com/centos/6/isos/i386/CentOS-6.3-i386-minimal.iso CentOS 6.3 64  bit minimal install ISO http://mirror.wiredtree.com/centos/6/isos/x86_64/CentOS-6.3-x86_64-minimal.iso Good mirror site for all CentOS ISO images http://mirror.wiredtree.com/centos/ http://archive.kernel.org/centos-vault/    

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How to install Linux from USB

I don’t have DVD Drive on my new Desktop I was worried how i will install OS on my Desktop. I got a good utility ISO2USB . its converting bootable ISO image to bootable USB and i was able to … Continue reading

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How to add remove enable disable services on start up in Cent OS

To manage services in Cent OS in Text User Interface (TUI) # ntsysv if you do not have “ntsysv” command  # yum install ntsysv its shows TUI  interface to enable and disable the services in CentOS. from CLI we use chkconfig 

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Commonly used Linux important Commands

Commonly  used Linux important Commands get list of all installed software rpm -qa | less Use following syntax to list the files for already INSTALLED package: rpm -ql package-name for example :- rpm -ql package rpm -ql package-name

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Unable to install Webmin

Unable to install Webmin If you are getting below error message while installing webmin warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID 11f63c51 Public key for webmin-1.570-1.noarch.rpm is not installed You need to download the key and install it … Continue reading

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Unable to find network card in CentOS 6

Some time we are unable to find network information on ifcfg command or network connection does not work after cloning. To see all interfaces   ifcfg -a To force CentOS 6 to re-detect network interfaces Delete the MAC Address from ifcfg-eth0 … Continue reading

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How to check disk uses on Linux

How to check disk uses on Linux df command : Report file system disk space usage du command : Estimate file space usage Example :-

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How to install FTP server on CentOS

How to install FTP server on CentOS #yum install vsftpd #chkconfig vsftpd on #service vsftpd start #nano /etc/vsftpd/vsftpd.conf       (uncomment the following) anonymous_enable=NO   (disallow anonymous login) ascii_upload_enable=YES ascii_download_enable=YES ftpd_banner=Welcome to DATACENTER FTP service.

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How to reset Centos Linux Password

Reboot the linux 1-Press esc to intruppet boot loader 2-Press e to edit boot loader to load linux Kernal in single mode 3-add s at the end of  of the line and press ENTER kernel /vmlinuz-2.6.18-194.el5PAE ro root=/dev/VolGroup00/LogVol00 s 3-Press b … Continue reading

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