How To Patch and Protect OpenSSL Vulnerability # CVE-2015-0291 CVE-2015-0204...
On 19th March 2015, multiple high and moderate severity level vulnerabilities released in OpenSSL, a Secure Sockets Layer toolkit used in a Linux and Unix-like systems. How can I fix these...
View ArticleDebian/Ubuntu Linux: Find If Installed Package Includes a Fix/Patch Via CVE...
I am a Debian Linux serer user. How do I view the changelog of an installed package and find out if given CVE includes a fix or patch? How do I see a fix or patch already applied to installed package...
View ArticleHowTo Debian/Ubuntu Linux Auto Mount Windows NTFS File System [ntfs-3g]nixCraft
I'm dual booting MS-Windows with a Debian / Ubuntu Linux desktop. How can I auto mount a drive containing a MS-Windows NTFS file system on a Linux based systems?
View ArticleRHEL / CentOS Linux 7 Enable Ping Access In Docker ContainernixCraft
I'm using RHEL 7.1-4 container on a RHEL /CentOS Linux 7.x server. However, I'm unable to ping external site/IP address using the ping command. I'm getting the following error on screen:ping: Operation...
View ArticleHowTo Block Internet Explorer Browser With Squid Proxy Server on a Linux/Unix...
I want to block Internet Explorer (MS-IE) browser on a squid proxy server running on a Linux or Unix-like systems. How can I block IE on a squid proxy server version 3.x? You need to setup an acl on a...
View ArticleCentOS/RHEL Use yum Command To Downgrade or Rollback UpdatesnixCraft
I'm a CentOS Linux 7.x server user. How can I use yum command to downgrade or rollback package updates on a RHEL (Red Hat)/CentOS/Scientific Linux server?
View ArticleRHEL / Centos Linux 7: Change and Set Hostname CommandnixCraft
I'm a new RHEL (Red Hat Linux) and/or CentOS Linux 7 server user. How can I change the hostname in CentOS 7 using a command line option?
View ArticleLinux/Unix: OpenSSH Multiplexer To Speed Up OpenSSH ConnectionsnixCraft
How can I multiplex SSH sessions by setting up a master session and then having subsequent sessions go through the master to speed up my ssh connection on a Linux or Unix-like operating systems?
View ArticleHow To CentOS / RHEL 7 Install Gnome Desktop Using YumnixCraft
I installed minimal CentOS Linux 7.x on my laptop. How can I install Gnome desktop GUI on a RHEL (Red Hat) 7 or CentOS Linux 7 system using command line option?
View ArticleHow To Patch and Protect Linux Server Against the VENOM Vulnerability #...
A very serious security problem has been found in the virtual floppy drive QEMU's code used by many computer virtualization platforms including Xen, KVM, VirtualBox, and the native QEMU client. It is...
View ArticleHow to run sudo command without a password on a Linux or UnixnixCraft
I'm a new Unix system user. How do I use sudo command without a password on a Linux or Unix-like systems?
View ArticleLinux exit from lxc-console keyboard shortcutnixCraft
I'm using Debian Linux server with Linux Containers (lxc). How do I disconnect and exit from an lxc-console to a shell prompt without closing ssh session? You need to use the to log in to a running...
View ArticleLearning bash scripting for beginnersnixCraft
Bash (Bourne-Again SHell) is a Linux and Unix-like system shell or command language interpreter. It is a default shell on many operating systems including Linux and Apple OS X. If you have always used...
View ArticleSSH ProxyCommand example: Going through one host to reach another servernixCraft
How do I use and jump through one server to reach another using ssh on a Linux or Unix-like systems? Is it possible to connect to another host via an intermediary so that the client can act as if the...
View ArticleLinux / Unix – crontab: no crontab for user using an empty one error and...
I am trying to set cronjob on a Unix systems by running the crontab -e command. But, I'm getting the following error:crontab: no crontab for veryv - using an empty one crontab: "/usr/bin/vi" exited...
View ArticleDebian/Ubuntu Linux: Restrict an SSH user session to a specific directory by...
I setup a web-server. I need to grant a user ssh access but I do not trust users. How can I limit user session to a specific directory such as /home/httpd/$USERNAME? How do I set up a ssh chroort jail...
View ArticleLinux/Unix: How To Extract and Decompress a .bz2/.tbz2 FilenixCraft
I've a file called foo.bz. How do I extract or decompress a .bz2 file on a Linux or Unix-like systems using command line options?
View ArticleHow To Setup a LAMP Server on Debian Linux 8 (Jessie)nixCraft
How can I setup up a LAMP (Linux, Apache, MySql, PHP) stack on Debian Linux version 8 (Jessie) using command line options?
View ArticleHow To Find Out FreeBSD Version and Patch Level NumbernixCraft
How do I find out my FreeBSD server version and patch level of the installed system using command line option?
View ArticleBash: Find out the exit codes of all piped commandsnixCraft
How do I get exit status of process that's piped to another (for e.g. 'netstat -tulpn | grep nginx') on a Linux or Unix-like system using a bash shell?
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