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Subversion (SVN) tricks
When you use Subversion as a source control management system it is useful to know some magic commands. The next command cleans, updates, adds and shows status of local repository: svn cleanup \...
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Apache and SVN configuration with user permissions
This tutorial shows how to configure Apache+SVN couple. 1. First of all you should install Apache Httpd server (version 2.4 in this case) with DAV_SVN module and subversion client: yum -y install...
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Multiple SSH keys configuration
If you are using, for example GIT, it may be needed to use different ssh keys for different servers. By default git client uses “~/.ssh/id_rsa” private key. And you’ll get the error like: Permission...
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Generate SSH key (identity)
To generate SSH key you have to do following: 1. Install any SSH client (if absent). 2. Show existing keys: ls -la ~/.ssh It can be empty. 3. Generate key itself: ssh-keygen -t rsa -b 4096 -C...
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Using RSYNC to backup (synchronize) folders
If you want to synchronize two folders use next snippets. 1. Sync folder “source” content to “target” folder: rsync -arpv --delete /mnt/source/ /mnt/target Notice trailing slash for “source” folder!...
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Change default password for Oracle 11g Database
To change the default password for SYS and SYSTEM users use the trick. 1. Run in shell: sqlplus / as sysdba 2. Change password for SYS: SQL> alter user SYS identified by "your-super-password"; 3....
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Exclude beans from tests in Spring Boot
Running unit tests bootstraps, for example, scheduling tasks (EnableScheduling, Scheduled). To exclude automatic start up auto-configuration beans with annotation you can follow next instruction: 1....
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Install Oracle Java 8 on Ubuntu Linux
To install Oracle JDK 8 on Ubuntu you can choose one of two methods: A. Automatic installation: sudo apt-get install python-software-properties sudo add-apt-repository ppa:webupd8team/java sudo...
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Access to device over 3g mobile internet or NAT
The problem is to present access to your device (pc, raspberry etc) which has usb-dongle (or wifi) connected to mobile internet provider. So, in this case you have no public (white) IP address and...
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Git configuration across multiple repositories
Often you need to push across many git repositories with different credentials. The simplest way is to edit “$REPO/.git/config” file to setup environment. But may be more convenient is to keep...
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