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Linux78021139

Flush RAM cache memory

Simple command to flush the RAM memory because many time, we face the RAM memory cache issue.

echo 1 > /proc/sys/vm/drop_caches

How to check innodb is enabled or not?

Simply login into shell as root user and fire following command.


root@server[~]# mysqladmin variables | grep innodb
| have_innodb | YES |
| innodb_additional_mem_pool_size | 67108864 |
| innodb_autoextend_increment | 8 |
| innodb_buffer_pool_awe_mem_mb | 0 |
| innodb_buffer_pool_size | 1073741824 |
| innodb_checksums | ON |


In above result shows "have_innodb" YES result then yes innodb is enabled on server.

To disable the version output for proftp, SSH into server and login as root.

At command prompt type: pico /etc/httpd/conf/httpd.conf

Scroll (way) down and change the following line to

ServerSignature Off

Restart Apache

How to install or check pear package?

You can install any pear package as
———–
pear install pear-package-name
———–

You can check all the PEAR packages that are available with
————
pear list-all
————


You can check installed PEAR packages on your server as
————
pear list

What is NFS server?

NFS word belongs to "Network File System". NFS allows to access files on server from network users which stored on computers of different types.NFS allow to access files by using Virtual File System (VFS) that runs on top of TCP/IP. With NFS, computers connected to a network as a client while accessing remote files, and as servers while providing remote users access to local shared files. With NFS we can mount all or a portion of a file system which will allow client to access partition or specific file/directory which we defined in NFS mount point for specific user or network.
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