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(Created page with '==Under Progress== ==Bipolar Junction Transistor== * An npn BJT has two layers of n-type material, known as the collector and emitter, and in between a layer of p-type material,…') |
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==Under Progress== |
==Under Progress== |
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Ubuntu 10.04 has a different version of LDAP so if you want to look for a tutorial make sure is 10.04 or because things have changed a lot. |
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==Bipolar Junction Transistor== |
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Install the needed LDAP server packages and containing management utilities. |
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* An npn BJT has two layers of n-type material, known as the collector and emitter, and in between a layer of p-type material, known as the base. |
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sudo apt-get install slapd ldap-utils |
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* In order for a BJT to have a good performance, the base current needs to be small compared to the collector current. |
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<math>\beta=i_C/i_D</math> |
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The schemas are .... |
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In order to load this schemas run the following commands |
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sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif |
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sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/nis.ldif |
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sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif |
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There should be a backend.ldif file with your backups. If not here is a template |
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*Operation in the active region: |
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<pre> |
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*The base-emitter junction is forward biased. |
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#Load dynamic backend modules |
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*The base-collector junction is reverse biased. |
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dn: cn=module,cn=config |
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*As amplifiers, BJTs operate in the active region. |
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objectClass: olcModuleList |
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*As switches, BJTs operate in saturation and cutoff. |
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cn: module |
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olcModulepath: /usr/lib/ldap |
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olcModuleload: back_hdb |
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# Database settings |
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Steps to analyze large signal dc models for BJT |
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dn: olcDatabase=hdb,cn=config |
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1. Assume an operating region for the BJT like saturation, cutoff or active. |
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objectClass: olcDatabaseConfig |
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2. Solve the circuit to find <math>I_C, I_D, and V_CE</math> |
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objectClass: olcHdbConfig |
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3. Check to see if the values found in Step 2 are consistent with the assumed operating state. If so the solution is complete; otherwise return to Step 1. |
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olcDatabase: {1}hdb |
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olcSuffix: dc=cs,dc=wallawalla,dc=edu |
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olcDbDirectory: /var/lib/ldap |
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olcRootDN: cn=admin,dc=cs,dc=wallawalla,dc=edu |
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olcRootPW: {SSHA}sPKiAjzTE9jZ+SpTLocHD6pcm+j5icTm |
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olcDbConfig: set_cachesize 0 2097152 0 |
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olcDbConfig: set_lk_max_objects 1500 |
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olcDbConfig: set_lk_max_locks 1500 |
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olcDbConfig: set_lk_max_lockers 1500 |
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olcDbIndex: objectClass eq |
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olcLastMod: TRUE |
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olcDbCheckpoint: 512 30 |
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olcAccess: to attrs=userPassword by dn="cn=admin,dc=cs,dc=wallawalla,dc=edu" write by anonymous auth by self write by * none |
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olcAccess: to attrs=shadowLastChange by self write by * read |
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olcAccess: to dn.base="" by * read |
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olcAccess: to * by dn="cn=admin,dc=cs,dc=wallawalla,dc=edu" write by * read |
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</pre> |
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Revision as of 20:20, 2 September 2010
Under Progress
Ubuntu 10.04 has a different version of LDAP so if you want to look for a tutorial make sure is 10.04 or because things have changed a lot.
Install the needed LDAP server packages and containing management utilities.
sudo apt-get install slapd ldap-utils
The schemas are ....
In order to load this schemas run the following commands
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/nis.ldif sudo ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetorgperson.ldif
There should be a backend.ldif file with your backups. If not here is a template
#Load dynamic backend modules
dn: cn=module,cn=config
objectClass: olcModuleList
cn: module
olcModulepath: /usr/lib/ldap
olcModuleload: back_hdb
# Database settings
dn: olcDatabase=hdb,cn=config
objectClass: olcDatabaseConfig
objectClass: olcHdbConfig
olcDatabase: {1}hdb
olcSuffix: dc=cs,dc=wallawalla,dc=edu
olcDbDirectory: /var/lib/ldap
olcRootDN: cn=admin,dc=cs,dc=wallawalla,dc=edu
olcRootPW: {SSHA}sPKiAjzTE9jZ+SpTLocHD6pcm+j5icTm
olcDbConfig: set_cachesize 0 2097152 0
olcDbConfig: set_lk_max_objects 1500
olcDbConfig: set_lk_max_locks 1500
olcDbConfig: set_lk_max_lockers 1500
olcDbIndex: objectClass eq
olcLastMod: TRUE
olcDbCheckpoint: 512 30
olcAccess: to attrs=userPassword by dn="cn=admin,dc=cs,dc=wallawalla,dc=edu" write by anonymous auth by self write by * none
olcAccess: to attrs=shadowLastChange by self write by * read
olcAccess: to dn.base="" by * read
olcAccess: to * by dn="cn=admin,dc=cs,dc=wallawalla,dc=edu" write by * read