Install MongoDB in Ubuntu

To install MongoDB in Ubuntu/Debian, run

Configuration file for MongoDB is

To see status of MongoDB, run

To start/stop

Create a User

Now you need to enable authentication, this can be done by editing /etc/mongodb.conf

Uncomment the line

Restart MongoDB

Now you can login with

To […]

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Zimbra Generate DKIM Key

To generate DKIM key in Zimbra Mail server, login as user zimbra

Now run

Example

Zimbra […]

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Install MATE Desktop in Ubuntu

Add PPA repo with command

To install MATE run

This install was done on remote VPS with x2go server. Once install is over, i am able to connect to remote desktop using x2go client. x2go […]

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Install GeoIP PHP Module in Ubuntu

To install GeoIP php module in Ubuntu, run

To enable module, run

You can see the PHP module with command php -m

Also it will be listed in phpinfo page. geoip […]

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xfs

xfs is default file system for RHEL 7. To format a partition in xfs format, run

Example

fs […]

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Tripwire

Tripwire is a data integrity tool for monitoring and alerting file and directory changes. https://github.com/Tripwire/tripwire-open-source To install, run

Generate keys Run

This ask you to enter password. Creating Database

You need to edit file

customise it for your system or you may get file/directory not found errors. Checking for changes

[…]

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DNS Resolver

CloudFlare announced privacy-first consumer DNS service. IP of CloudFlare public DNS servers are

So far i was using Google Public DNS servers as my resolver.

Quad9 Quad9 is from IMB and Global Cyber Allience. https://www.quad9.net

Other public DNS server is OpenDNS

All these DNS servers have good connectivity in india. I […]

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mod_fcgid: HTTP request exceeds MaxRequestLen

On a ISPConfig server with PHP running in FCGI Mode, i get following error in error_log when upload images from WordPress admin area. [Tue Apr 03 13:45:11 2018] [warn] [client 112.133.237.47] mod_fcgid: HTTP request length 139264 (so far) exceeds MaxRequestLen (131072), referer: https://www.url.com/wp-admin/media-new.php ISPConfig store error log for site in “log” directory in parent folder […]

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Create SSL pem file

To make .pem file from SSL certificate, run

Here is the format

ssls/namecheap SSL example

[…]

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