How to configure FTP Server (vsftp) in RHEL 6 ?

This article contains instructions to configure a basic FTP Server.

Let us begin. Install the necessary packages.

[root@ora ~]#  yum –y install vsftp*

Open the file and edit and add as mentioned below:

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How to configure NFS in RHEL 6 ?

Server settings.

Server side network settings.

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How To Configure SSH Server in RHEL 6 ?

Open the SSH configuration file.

[root@ora ~]#  vi  /etc/ssh/sshd_config

# on line 42: uncomment and change the value to ‘no’

PermitRootLogin  no

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Automatic Memory Management in Oracle 10g and 11g.

Automatic Memory Management in Oracle 11g.

Assuming our required memory requirement is 3G, we might issue the following statements.

CONN / AS SYSDBA


ALTER SYSTEM SET STATISTICS_LEVEL=TYPICAL SCOPE=SPFILE;


#Leave some room for possible future memory growth
#without instance restart.

ALTER SYSTEM SET MEMORY_MAX_TARGET=5G SCOPE=SPFILE;

-- Set the dynamic parameters. 
ALTER SYSTEM SET MEMORY_TARGET=3G SCOPE=SPFILE;
ALTER SYSTEM SET PGA_AGGREGATE_TARGET=0 SCOPE=SPFILE;
ALTER SYSTEM SET SGA_TARGET=0 SCOPE=SPFILE;
ALTER SYSTEM SET DB_CACHE_SIZE=0 SCOPE=SPFILE;
ALTER SYSTEM SET SHARED_POOL_SIZE=0 SCOPE=SPFILE;
ALTER SYSTEM SET LARGE_POOL_SIZE=0 SCOPE=SPFILE;
ALTER SYSTEM SET JAVA_POOL_SIZE=0 SCOPE=SPFILE;

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How to recover root password in RHEL 6 ?

Boot the system and log in into grub.

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How to Configure DHCP in RHEL 6 ?

Before starting make sure that your system has a Static IP Address.

My ip address is as following.

IP- 192.168.1.65
Subnet- 255.255.255.0

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How to change an Oracle Database password temporarily.

Lets unlock the hr user and give it a password.

SQL> alter user hr identified by hr account unlock;

User altered.

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