Notes on installing SVN Service in ReadHat Linux 5.5

Notes on installing SVN Service in ReadHat Linux 5.5

Notes on installing SVN Service in ReadHat Linux 5.5, Subversion independent Service, and apache integrated Service.

I. Svn Independent Service Installation

Operating System: RedHat Linux5.5

Obtain the installation package:

Download

• Http://subversion.tigris.org/downloads/subversion-1.4.0.tar.gz
• Http://subversion.tigris.org/downloads/subversion-deps-1.4.0.tar.gz

Compile:
Log on as the root user.
Upload subversion-1.4.0.tar.gzand subversion-deps-1.4.0.tar.gz to the server.

Tar xfvz subversion-1.4.0.tar.gz
Tar xfvz subversion-deps-1.4.0.tar.gz

The subversion-deps package has four directories: zlib apr-util neon. All these four directories are dependent packages. The Code required for compiling subversion
Cd subversion-1.4.0
./Configure-prefix =/opt/svn-without-berkeley-db-with-zlib
(Note: Run in svnserve mode without adding apache compilation parameters. Store version libraries in fsfs format without compiling berkeley-db)
Make clean
Make
Make install

If an error occurs in make, refer to the following solution:

When I compile the Neon library on 64-bit Linux, an error occurs: "relocation R_X86_64_32 against 'a local symbol' can not be used when making a shared object ".

The Neon library is a library used for communication between Subversion servers and HTTP clients. It is usually compiled into a static library. However, it is later linked to different dynamic link libraries, which leads to an error in the compilation process on the AMD 64-bit operating system. The following information is displayed:

Subversion-1.4.6/neon/src/. libs/libneon. a (ne_request.o): relocation R_X86_64_32
Against 'a local symbol' can not be used when making a shared object;
Recompile with-fPIC
/Home/jrandom/subversion-1.4.6/neon/src/. libs/libneon. a: cocould not
Read symbols: Bad value
This is mentioned in an article in The developer email list.

The solution is to provide a "-- enable-shared" parameter for the Subversion configuration script.

Reference: http://subversion.apache.org/faq.zh.html

Vi/etc/profile, which is added at the end of/etc/profile:

PATH = $ PATH:/opt/svn/bin
Export PATH

Test:
Svnserve-version

If the following figure is displayed, the installation is successful:
Svnserve, version 1.4.0 (r21228)
Compiled Oct 12 2006, 10:18:56

Copyright (C) 2000-2006 CollabNet.
Subversion is open source software, see [url] http://subversion.tigris.org/#/url]
This product includes DES software developed by CollabNet ([url] http://www.collab.net/#/url]).

The following repository back-end (FS) modules are available:

* Fs_fs: Module for working with a plain file (FSFS) repository.

2. svn Configuration
Create a version library directory. You can create multiple directories:
Mkdir-p/opt/svndata/repos1
Mkdir-p/opt/svndata/repos2

Build a version Library: (the initialization process generates configuration files and other files)
Svnadmin create/opt/svndata/repos1
Svnadmin create/opt/svndata/repos2

Modify the version library configuration file:
Version Library 1:
Vi/opt/svndata/repos1/conf/svnserve. conf

Modify the content:
[General]
Anon-access = none
Auth-access = write
Password-db =/opt/svn/conf/pwd. conf
Authz-db =/opt/svn/conf/authz. conf
Realm = repos1

Version library 2:
Vi/opt/svndata/repos2/conf/svnserve. conf

Modify the content:
[General]
Anon-access = none
Auth-access = write
Password-db =/opt/svn/conf/pwd. conf
Authz-db =/opt/svn/conf/authz. conf
Realm = repos2

That is, except realm = repos2, the other configuration files are exactly the same as those of version 1. If more version libraries are available, follow these steps.

Configure the Users Allowed to access:
Vi/opt/svn/conf/pwd. conf

To simplify the configuration, two version libraries share one user configuration file. If necessary, they can also be separated.

Note: modifications to user configuration files take effect immediately without the need to restart svn.

The file format is as follows:
[Users]
<User 1 >=< password 1>
<User 2 >=< password 2>

[Users] is required. The following lists the users who want to access svn. each user has a row. Example:
[Users]
Alan = password
King = hello

Configure user access permissions:
Vi/opt/svn/conf/authz. conf

To simplify the configuration, the three version libraries share one permission configuration file/opt/svn/conf/authz. conf. If necessary, they can also be separated. File.

Note:
* The user name displayed in the permission configuration file must be defined in the user configuration file.
* Changes to the permission configuration file take effect immediately without restarting svn.

User Group format:
[Groups]
<User group name >=< user 1>, <user 2>
One user group can contain one or more users separated by commas.

Version library directory format:
[<Version library>:/project/directory]
@ <User group name >=< permission>
<User name >=< permission>

The box number can be written in multiple ways:
/, Indicating the root directory and the following. The root directory is specified when svnserve is started. We specify it as/opt/svndata. In this way,/sets permissions for all version libraries.
Repos1:/indicates setting permissions for Version 1.
Repos2:/abc indicates setting permissions for the abc Project in version 2.
Repos2:/abc/aaa indicates setting permissions for the aaa directory of the abc Project in version library 2

The permission subject can be a user group, user, or *,

Add @ to the user group @

* Indicates all users.

The permission can be w, r, wr, or null.

Null indicates that you do not have any permissions.

Example:
[Groups]
Admin = alan

[/]
@ Admin = rw

[Repos1:/abc/aaa]
King = rw

[Repos2:/pass]
King =

Delete useless files:
Rm/opt/svndata/repos1/conf/authz
Rm/opt/svndata/repos1/conf/passwd
Rm/opt/svndata/repos2/conf/authz
Rm/opt/svndata/repos2/conf/passwd

3. Start svn
Create a user to start svn:
Useradd svn
Passwd svn
Set the user svn password as prompted

Allow user svn to access the version Library:
Chown-R svn: svn/opt/svndata
Chown-R svn: svn/opt/data

Start svn:
Svnserve-d -- listen-port 9999-r/opt/svndata

Where:
Su-svn indicates to start svn as user svn
-D Indicates running in daemon mode (running in the background)
-Listen-port 9999 indicates port 9999, which can be replaced with the required port. Note that the root permission is required to use ports lower than 1024.
-R/opt/svndata specifies that the root directory is/opt/svndata

Check:
Ps-ef | grep svnserve

If the following information is displayed, the instance is successfully started:
Svn 6941 1 0? 00:00:00 svnserve-d-listen-port 9999-r/opt/svndata

========================================================== ========================

Ii. Integration of svn and apache

The Subversion storage method is the Berkeley DB Berkeley storage method, and the fsfs storage method.

Data storage table of two versions

Features	Berkeley DB	FSFS
Sensitive to operation interruptions	Sensitive; system crashes or permission issues can cause database congestion and regular recovery is required.	Insensitive
Read-Only Loading	No	Yes
Storage platform independent	No	Yes
Accessible from network file systems	No	Yes
Version library size	Slightly larger	Slightly smaller
Scalability: Number of revision trees	Unlimited	Some local file systems may encounter problems when processing a single directory containing thousands of entries.
Scalability: Directory with many files	Slow	Slow
Speed of checking out the latest code	Fast	Yes
Massive submission speed	Slow, but the time is allocated in the entire commit operation	Fast, but the last long delay may cause the client operation to time out.
Group access management	It is very sensitive to the user's umask settings, and it is best to only be accessed by one user.	Insensitive to umask settings
Function Maturity	2001	2004

1. Install APR-1.2.7 and APR-util-1.2.7

: [Url] http://apr.apache.org/
Tar zxvf apr-1.2.7.tar.gz

./Configure

Make

Make install

Tar zxvf apr-util-1.2.7.tar.gz

./Configure -- with-apr =/usr/local/apr/

Make

Make install

2. Compile and install APACHE.

Tar zxvf httpd-2.2.3.tar.gz
Cd httpd-2.2.3
. /Configure -- prefix =/opt/apache -- enable-dav -- enable-so -- enable-maintainer-mode -- with-apr =/usr/local/apr/bin/apr-1-config -- -apr-util =/usr/local/apr/bin/apu-1-config

Make
Make install

3. Install subversion-1.4.0

Tar zxvf subversion-1.4.0.tar.gz

./Configure -- with-apxs =/opt/apache/bin/apxs -- with-apr =/usr/local/apr -- with-apr-util =/usr/local/apr

Problem: Shared Library Error

Method: echo "/usr/local/apr-util/lib">/etc/ld. so. c

Ldconfig echo $?

Make
Make install
Set environment variables (do not do it)

Vi/etc/profile, which is added at the end of/etc/profile:
PATH = $ PATH:/opt/svn/bin
Export PATH

4. Check whether the two dynamic libraries of subversion are successfully installed.

Vi/opt/apache/conf/httpd. conf

The following two modules indicate that the installation is successful.

LoadModule dav_svn_module modules/mod_dav_svn.so
LoadModule authz_svn_module modules/mod_authz_svn.so

5. Configure SVN

Vi/opt/apache/conf/httpd. conf

Configuration:

<Location/svn>
DAV svn
SVNParentPath/data/svn/repos // svn parent directory
AuthType Basic // set the connection type
AuthName "Subversion repository" // connection box prompt
AuthUserFile/data/svn/passwd // user configuration file
AuthzSVNAccessFile/data/svn/auth
Require valid-user // All passwd users can access

</Location>

6. Create a SVN storage warehouse

# Mkdir-p/opt/svndata/repos

# Svnadmin create-fs-type fsfs/opt/svndata/repos

Back up previous SVN Databases

# Svnadmin dump/opt/svndata/repos>/root/repos20080328

Recover the backup data to the local device.

# Svnadmin load/opt/svndata/repos/</root/repos20080328

7. Create a local access control file

#/Opt/apache/bin/htpasswd [-c]/opt/passwd north
// Use-c to create a new user file when setting the user for the first time.

#/Opt/apache/bin/htpasswd passwd username (Add a new user)

8. Create a local project control file

Touch/opt/svndata/auth

File Content:

[Groups]
[Repos1:/]
# Wxy = rw
North = rw
Tom = rw

[Repos2:/]
Repos2 = rw

9. Install the client and access the server

[Url] http: // 192.168.0.180:/svn/jishu [/url]
Note: SVN is added during APACHE configuration.

10. The installation has basically ended.

Modify the/data/svn/repos attribute. Otherwise, the file upload may fail.

Chmod-R apache. apache repos

3. Routine maintenance commands and Parameters

Start svn Service

Svnserve-d -- listen-port 20000-r/opt/svndata

Create a version Library

Svnadmin create fs-type fsfs/opt/svndata/mark

View version Library Information

Svn list file: // opt/svndata/mark

Svn list -- verbose file: // opt/svndata/mark

Imported directory structure

Svn import/tmp/mark/file: // opt/svndata/mark/-- message "init" (the folder mark contains bo)

Delete the bo folder under the version library mark

Svn delete svn: // 192.168.0.180: 20000/opt/svndata/mark/bo-m "delete"

// Export

$ Svnlook youngest oldrepo

$ Svnadmin dump oldrepo>; dumpfile

// Restore

$ Svnadmin load newrepo <dumpfile

Stop the subversion Service

Ps aux | grep svnserve

Kill-9 ID No.

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