Setup gitolite to manage git repositories

Posted on 2016-01-04 by Gerhard

Git provides all the required tools to create remote repositories. As explained in Setup gitosis to manage git repositories, a bare repository can be generated and managed manually or with gitosis, but this is not the only git repository management … Continue reading →

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Utility df shows inconsistent calculation for ext filesystems

Posted on 2015-12-21 by Gerhard

The output of “df” might sometimes seem inconsistent or wrong and especially in some situations the presented information seems to obviously not match up. The fact is, the information is not wrong but the calculation behind it considers facts that … Continue reading →

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Replace section in file with content from another file

Posted on 2015-12-07 by Gerhard

While automating things, you might come across the need to replace a block of lines within a file – like replacing a section with IP addresses you want to block in an .htaccess file. Automating this task means replacing this bunch of … Continue reading →

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Gitosis Arguments to command look dangerous

Posted on 2015-11-23 by Gerhard

Dealing with non-English languages, you might come across a couple of issues caused by special characters. Even gitosis has its limitations in this area. One of the error messages caused by special characters is: “Arguments to command look dangerous”. When a … Continue reading →

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Resize Proxmox VM disc via command line without LiveCD

Posted on 2015-11-09 by Gerhard

To increase the disc size from the command line, login to the Proxmox host. In the command line you can list the VMs configured by this command to find the VMID needed. For this example the VM with the VMID … Continue reading →

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Monit restart not working on CentOS – no pid-file after restart

Posted on 2015-10-26 by Gerhard

Monit is a monitoring tool that can monitor processes, files and more. In the event of a failed monitor, monit is able to alert or trigger an action. Often the action triggered is to restart the monitored daemon. With the … Continue reading →

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Gitosis Unsafe SSH username in keyfile

Posted on 2015-10-12 by Gerhard

While configuring and using Gitosis you will probably see the following error sooner or later. This error will appear immediately when changed configuration is pushed to the gitosis-admin repository. With this error, the reported user keys are not provisioned properly … Continue reading →

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Restart hanging gpg-agent automatically using swatch on MacOSX

Posted on 2015-09-28 by Gerhard

With a smart card reader, you can store your gpg keys on a card to sign, encrypt and even authenticate. What if you try to sign an email but your email client is not responding while signing the email? Or … Continue reading →

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Add a line into a huge file

Posted on 2015-09-14 by Gerhard

Handling huge files can be a massive challenge. In a previous post I have shown how to remove a range of lines from a huge file (which can also be used to just read a number of lines out of the … Continue reading →

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Git repository cluster setup – Part 2

Posted on 2015-08-31 by Gerhard

A git cluster with more then two servers with the approach described in Git repository cluster setup will increase the time you need to push changes to the cluster. This is because of the mirroring back. To solve this a more advanced version of the script is needed to avoid that the mirror-server would try to mirror the changes back to the master-server. Continue reading →

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