Apache

Here are the process how I install and Configure NFS/NFSv4 Configuring Server-Machine first yum install nfs-utils nfs4-acl-tools portmap xinetd Note: you might have problem installing portmap so downlaod rpm from here Be sure there following rpm packages are installed rpm -qa nfs* rpm -qa portmap* rpm -qa xinetd* ———————————————————————————————————- Service portmap start service xinetd start … Read more

This can be done with a using a command like ‘search and replace’1.Open the file in ‘vi’ editor.2.Press Escape and type :1,$s/^/##/g3.Press Enter 1,$s/^/##/g can be broken down as1: To start from 1st line $s :To end at the last line/^ : Search for the start of the line/##:Replace with ##/g: Replace all occurrences

these are the most asked questions while installing Linux on Amazon AWS. Store .Pem files in the .ssh folder and give file permission to 600, command would be chmod 600 ~/path/my-key-pair.pem Now login ssh -i /path/my-key-pair.pem [email protected]

Go to Command line Type vi space “file Name” To Insert Text: I Type texts what you want to type. Press Esc To save :R To quite without save :q!

For Master to Slave Replication do following steps: 1. vi /etc/my.cnf and add following linesFor ServerA        server-id = 5        replicate-same-server-id = 0        auto-increment-increment = 2        auto-increment-offset = 1        relay-log = /var/lib/mysql/serverA-relay-bin        relay-log-index = /var/lib/mysql/serverA-relay-bin.index        log-error = /var/log/mysql/mysql.err        master-info-file = /var/lib/mysql/mysql-master.info        relay-log-info-file = /var/lib/mysql/serverA-relay-log.info        log-bin = /var/lib/mysql/ServerA-bin For ServerB        server-id = 6        replicate-same-server-id = 0        auto-increment-increment … Read more

Command’s Purpose MS-DOS Linux Basic Linux Example Copies files copy cp cp thisfile.txt /home/thisdirectory Moves files move mv mv thisfile.txt /home/thisdirectory Lists files dir ls ls Clears screen cls clear clear Closes prompt window exit exit exit Displays or sets date date date date Deletes files del rm rm thisfile.txt “Echoes” output on the screen … Read more

for move file —>  mv noldfile newfile to make new directory > mkdir dirname to put file into a new directory > mv textfile dirname/ to change file name > rm filename to view the text file …>>>>> less filename to add new user >>> useradd to del user >>> userdel username less command to … Read more