Ubuntu

[How To] Clear bash history in Linux

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Sometimes, sensitive commands are present in your server bash history. Another user logging in the server will be able to access history of your commands as Linux stores command in the .bash_history file of the user. To delete / clear the bash history of a user, execute following command: history -c && history -whistory -c && history -w The above …

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[How to ] Fix OpenSSL for Heartbleed Vulnerability

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As you are all aware of the latest OpenSSL vulnerability termed as "Heartbleed", many blogs are providing information what it is and how does it affects. I am going to focus on fixing the OpenSSL Heartbleed vulnerability in this post. Which OpenSSL versions are affected? The OpenSSL version 1.0.1 is vulnerable except version 1.0.1g. Other versions like 1.0.0, 0.9.x are …

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[How To] Enable NTFS support on Ubuntu/CentOS/RHEL/Fedora

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The Linux operating systems supports NTFS partition format. To enable NTFS partition support, there are some packages required to be installed. To enable NTFS support on Ubuntu: 1 # sudo apt-get install ntfs-3g# sudo apt-get install ntfs-3g CentOS/RHEL: 1 2 # yum install ntfs-3g # yum install ntfsprogs ntfsprogs-gnomevfs# yum install ntfs-3g # yum install ntfsprogs ntfsprogs-gnomevfs Note: Enable rmpforge …

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LFD Excessive Resource Usage Alerts

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The LFD service sometimes send excessive resource usage alerts as below: Time: Tue Nov 19 09:41:10 2013 +0530 Account: xxxxxx Resource: Virtual Memory Size Exceeded: 205 > 200 (MB) Executable: /usr/bin/php Command Line: /usr/bin/php /home/xxxxxx/public_html/index.php PID: 24933 (Parent PID:22578) Killed: No The above alerts are received when a process utilizes more than the memory defined in the CSF configuration file …

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How to make directory writable by non-root users

To make folder writable by all the selected non-root users, group can be used in which specific non-root users will be added in the group. The following steps requires root user privileges and can be followed in Ubuntu, CentOS, Fedora and RedHat 1) Create a group: sudo groupadd <groupname> 2) Add user to the group: sudo useradd -g <username> <groupname> …

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[How To] install RabbitVCS SVN client on Ubuntu

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RabbitVCS is an alternative to TortoiseSVN for Linux distributions. It has clean GUI integrated with shell and capable of doing almost all the activities offered in TortoiseSVN. Installing RabbitVCS on Ubuntu sometimes goes bad with lots if dependencies. But installing RabbitVCS through binaries is pretty easy. Following steps should help you in the same: 1) Install prerequisites: $ sudo apt-get …

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