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Some interview topics

Posted by Surendra Anne | Nov 29, 2009 | Interviews |

If you are preparing for interviews for linux admin jobs you should be familiar with below concepts.. 1) Port number of different servers {cat /etc/services} 2) Linux Installation(through FTP,HTTP,NFS) 3) Boot process 4) Diff b/w ext3 and ext2 5) RAID LEVELS and Selection of raid 6) backup methods 7) Package management such as Yum server 8) Kernel Tuning 9) IPTABLES 10) TCP WRAPPERS 11) DIFFERENT RUN LEVELS 12) USER AND GROUP MANAGEMENT 13) QUOTA SETTING(user and group) 14) DIFF B/W CRON AND AT 15) BASIC SHELL SCRIPTING 16) Troubleshooting different issues. 17) Tell me why we should hire you? 18) DAILY ACTIVITES IN YOUR CURRENT COMPANY 19) RECENTLY SOLVED CRITICAL ISSUE 20) LVM (Very Imp) 21) Vertias Volume manager 22) cluster basic like HAD , GAB , LLT , HEARTBEAT , CONFIG FILES , RESOURCE , SERVICE GROUPS etc. 23 ) kernel panic troubleshooting 24) Process management 25)Configuration part of NFS , NIS , Samba , DHCP , DNS,Apache, Sendmail etc.. 26)Remote administration experience. And many more depending on your job profile. You should know each topics what you mentioned in your resume . If you are not sure about anything , don’t mention in your resume and your resume should reflect your skills. Please visit https://www.linuxnix.com for more linux admin...

SAMBA Server Configuration

Posted by Surendra Anne | Nov 29, 2009 | Servers |

SAMBA(SMB server) is a file sharing server. Which is used to share files between Windows, Linux and Unix Systems. SMB(Server Message Block) is a proprietary protocol which is developed by MicrosoftLets see how we can configure SAMBA in Linux.Step1 : Create a directory where you want to keep data and share with other remote systems(either windows/Solaris/in fact any unix flavor etc).#mkdir /share1 Step2 : Installing Samba server#yum install samba Step3 : Once we install Samba server, configure it using it’s main configuration file(/etc/samba/smb.conf)Step3(a) : Open smb.conf file and specify the work group where this server belongs #vi /etc/samba/smb.confsearch for workgroup word and specify your work group nameworkgroup = windows-group.Why we require this workgroup? Ans : When windows user try to access any network resource they first try to access my network places and then search for workgroup then to server. So definitly we have to specify this workgroup entry in smb.conf file. Step3(b) : So now we have to give a name to this samba server, search for “server string” with out quotes then provide the samba server name(here that name is linux-share)server string = linux-share Step3(c):Now specify the share details, which folder you want to share. To whom you want to share? Goto last line of the smb.conf file specify your shared folder details as follows.[myshare]comment = “This is my Linux data want to share with my windows...

How To Uninstall A Source Package?

Posted by Surendra Anne | Nov 19, 2009 | Administration |

In Linux we can install packages in so many ways such as: #rpm –ivh packagename.ver.arch.rpm This is to install from rpm package manager #yum install packagenameThis is installing through yum which will use rpm package manager internally #apt-get install packagenameThis is for installing .deb packages #sh file.shThis is from a shell script. #./configure;make;make check;make installThis is to install from source package. Etc. but when we want to uninstall above packages we will use package removing commands as below #rpm –e packagename For uninstalling an rpm package, which are installed through rpm/yum #yum remove packagenameUninstalling through yum… Etc… But what about uninstalling source package? How to uninstall a source package?This can be done in two ways Way1 : If we have still the source code with us in our system, then it’s very much easy to uninstall as shown below #cd sourcefolderpath #make uninstall This will completely install the package/software Way2 : If you don’t have source code with you. This is really hard way to do it, we have to go to so many locations/folders where that package created supported files. Some common locations for a package files is as follows /etc/packagename /var/log/packagename /usr/local/packagename /bin/ /sbin/ /usr/bin/ /usr/sbin/ /usr/share/doc/packagename Etc.. so we have to go to each folder and have to remove all the files whose name contains packagename. Note : If you install any package through source package,...

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Some interview topics

How To Uninstall A Source Package?

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