{"id":26,"date":"2014-09-16T15:33:26","date_gmt":"2014-09-16T15:33:26","guid":{"rendered":"http:\/\/community.virtono.com\/?p=26"},"modified":"2015-08-25T17:20:16","modified_gmt":"2015-08-25T17:20:16","slug":"bash-vulnerability-fix","status":"publish","type":"post","link":"https:\/\/www.virtono.com\/community\/tutorial-how-to\/bash-vulnerability-fix\/","title":{"rendered":"Linux bash vulnerability fix"},"content":{"rendered":"<p>As you may already know, from the last days a\u00a0<strong>bash vulnerability<\/strong>\u00a0is started being exploited.\u00a0<strong>All majority of distros<\/strong>\u00a0( Redhat \/ Centos, Debian, Ubuntu) already\u00a0<strong>launched a fix<\/strong>\u00a0for this, so all you need to do is to\u00a0<strong>update your linux server<\/strong>:<\/p>\n<p>for Redhat \/ Centos servers : \u00a0<strong>yum update<\/strong><br \/>\nfor Ubuntu and Debian :\u00a0<strong>sudo apt-get update<\/strong><\/p>\n<p>Please do it as soon as possible , because it is the\u00a0<strong>biggest threat ever<\/strong>\u00a0!<\/p>\n<p>&nbsp;<\/p>\n<p>Follow us on Twitter ( https:\/\/twitter.com\/virtono ) and Facebook ( https:\/\/www.facebook.com\/virtono\/ )<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As you may already know, from the last days a\u00a0bash vulnerability\u00a0is started being exploited.\u00a0All majority of distros\u00a0( Redhat \/ Centos, Debian, Ubuntu) already\u00a0launched a fix\u00a0for this, so all you need to do is to\u00a0update your linux server: for Redhat \/ Centos servers : \u00a0yum update for Ubuntu and Debian :\u00a0sudo<\/p>\n","protected":false},"author":1,"featured_media":73,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3],"tags":[21,22,23,24],"class_list":["post-26","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial-how-to","tag-bash-vulnerability","tag-bash-vulnerability-fix","tag-linux-bash","tag-linux-vps"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2014\/09\/bash-shellshock.png?fit=728%2C450&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7ISfL-q","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":724,"url":"https:\/\/www.virtono.com\/community\/news-announcements\/how-to-protect-your-server-against-the-dirty-cow-linux-vulnerability\/","url_meta":{"origin":26,"position":0},"title":"How To Protect Your Server Against the Dirty COW Linux Vulnerability","author":"Virtono","date":"October 25, 2016","format":false,"excerpt":"Introduction : On October 19, 2016, a privilege escalation vulnerability in the Linux kernel was disclosed. The bug is nicknamed Dirty COW because the underlying issue was a race condition in the way kernel handles copy-on-write (COW). Dirty COW has existed for a long time at least since 2007, with\u2026","rel":"","context":"In &quot;Announcements&quot;","block_context":{"text":"Announcements","link":"https:\/\/www.virtono.com\/community\/category\/news-announcements\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/IMG_2035.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/IMG_2035.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/IMG_2035.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/IMG_2035.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/07\/IMG_2035.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":670,"url":"https:\/\/www.virtono.com\/community\/knowledgebase\/comparing-oss-centos-ubuntu-or-debian\/","url_meta":{"origin":26,"position":1},"title":"Comparing OSs &#8212; CentOS, Ubuntu or Debian?","author":"Daniel Draga","date":"September 28, 2016","format":false,"excerpt":"CentOS \u009ewhich stands for Community Enterprise Operating System, is the result of a group of open source contributors and users working together to develop Linux solutions that are freely available to users who do not require a great deal of commercial support to achieve their goal. \u009eCentOS dedicated servers were\u2026","rel":"","context":"In &quot;Knowledgebase&quot;","block_context":{"text":"Knowledgebase","link":"https:\/\/www.virtono.com\/community\/category\/knowledgebase\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2016\/09\/centos-debian-ubuntu-06.png?fit=400%2C300&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3285,"url":"https:\/\/www.virtono.com\/community\/tutorial-how-to\/how-to-install-rubygems-on-linux\/","url_meta":{"origin":26,"position":2},"title":"How To Install RubyGems on Linux","author":"George B.","date":"April 21, 2023","format":false,"excerpt":"In this article, we will discuss how to install RubyGems on Linux. RubyGems is a package manager that allows you to easily install and manage Ruby software packages on your Linux machine. Before we begin, it is important to note that RubyGems comes pre-installed with Ruby, so if you have\u2026","rel":"","context":"In &quot;Tutorials&quot;","block_context":{"text":"Tutorials","link":"https:\/\/www.virtono.com\/community\/category\/tutorial-how-to\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2023\/04\/How-To-Install-RubyGems-on-Linux.png?fit=600%2C330&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2023\/04\/How-To-Install-RubyGems-on-Linux.png?fit=600%2C330&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2023\/04\/How-To-Install-RubyGems-on-Linux.png?fit=600%2C330&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":1311,"url":"https:\/\/www.virtono.com\/community\/tutorial-how-to\/varnish-web-accelerator\/","url_meta":{"origin":26,"position":3},"title":"Varnish Web accelerator","author":"Shreyash Sharma","date":"January 12, 2018","format":false,"excerpt":"Varnish\u00a0is a web accelerator (reverse proxy), which provides relief for the actual web server (the backend).\u00a0It has been designed from the ground up just for this use, unlike traditional proxies (eg Squid). The project website can be found here:\u00a0http:\/\/www.varnish-cache.org installation Varnish is part of Debian (Wheezy: Version 3.0.2) and Ubuntu\u2026","rel":"","context":"In &quot;Knowledgebase&quot;","block_context":{"text":"Knowledgebase","link":"https:\/\/www.virtono.com\/community\/category\/knowledgebase\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/varnishcache_rgb-gimp2-alpha.png?fit=1200%2C297&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/varnishcache_rgb-gimp2-alpha.png?fit=1200%2C297&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/varnishcache_rgb-gimp2-alpha.png?fit=1200%2C297&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/varnishcache_rgb-gimp2-alpha.png?fit=1200%2C297&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/01\/varnishcache_rgb-gimp2-alpha.png?fit=1200%2C297&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3191,"url":"https:\/\/www.virtono.com\/community\/tutorial-how-to\/how-to-install-postfix-on-linux\/","url_meta":{"origin":26,"position":4},"title":"How to install Postfix on Linux","author":"George B.","date":"April 8, 2023","format":false,"excerpt":"Install Postfix on CentOS 7 To install Postfix on CentOS 7, follow these steps: Open a terminal or login to your server via SSH as a root user. Update your system packages by running the following command: yum update Install Postfix using the following command: yum install postfix Start the\u2026","rel":"","context":"In &quot;Tutorials&quot;","block_context":{"text":"Tutorials","link":"https:\/\/www.virtono.com\/community\/category\/tutorial-how-to\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2023\/04\/How-to-install-Postfix-on-Linux.png?fit=600%2C330&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2023\/04\/How-to-install-Postfix-on-Linux.png?fit=600%2C330&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2023\/04\/How-to-install-Postfix-on-Linux.png?fit=600%2C330&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":1335,"url":"https:\/\/www.virtono.com\/community\/tutorial-how-to\/wlan-power-management-under-linux-with-iw-rules\/","url_meta":{"origin":26,"position":5},"title":"Wlan power management under Linux with iw rules","author":"Shreyash Sharma","date":"February 19, 2018","format":false,"excerpt":"The command-line\u00a0tool iw\u00a0allows a variety of configuration options for wireless devices.\u00a0Since the power management concerning. The transmitting \/ receiving performance with some cards is problematic, you can disable this in Linux.\u00a0The article shows how\u00a0to install and use\u00a0the tool on\u00a0Ubuntu\u00a0or\u00a0Debian\u00a0,\u00a0Red Hat Enterprise Linux\u00a0and CentOS.\u00a0In general, the tool is already preinstalled in\u2026","rel":"","context":"In &quot;Tutorials&quot;","block_context":{"text":"Tutorials","link":"https:\/\/www.virtono.com\/community\/category\/tutorial-how-to\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtono.com\/community\/wp-content\/uploads\/2018\/02\/433px-Powermanagement_wlan_linux.png?fit=433%2C311&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/posts\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":3,"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/posts\/26\/revisions"}],"predecessor-version":[{"id":74,"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/posts\/26\/revisions\/74"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/media\/73"}],"wp:attachment":[{"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/media?parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/categories?post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.virtono.com\/community\/wp-json\/wp\/v2\/tags?post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}