Category: Howtos

mkpasswd on Centos 6.x

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I happened to need mkpasswd command in CentOS 6.3 minimal: While there is no package for the tool it can be found in expect command. So run as shown : yum install expect

Install Exim on centOS

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Exim is no longer available as a standard package, but as with most pieces of Linux software, it’s still only a few commands away. If you want to install Exim to use, or just to try, all you need do is: Install the EPEL (Extra Packages for Enterprise Linux) repository: wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-5.noarch.rpm rpm -i epel-release-6-5.noarch.rpm…

Disable IPv6 in centOS

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Edit /etc/sysconfig/network and set “NETWORKING_IPV6” to “no” For 5.4 and later, replace in /etc/modprobe.conf   alias ipv6 off by options ipv6 disable=1 Alternative (which might be easier and works on any release with /etc/modprobe.d): # touch /etc/modprobe.d/disable-ipv6.conf # echo "install ipv6 /bin/true" >> /etc/modprobe.d/disable-ipv6.conf For CentOS 5.3 or older, add the following to /etc/modprobe.conf :…

Linux prompt tweak ..

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Just a note for my favorite : add to the  ~/.bash_profile PS1="\[\033[35m\]\t\[\033[m\]-\[\033[36m\]\u\[\033[m\]@\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ " result :  

Troubleshooting network connection failures VMWare Workstation

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Symptoms You are experiencing these issues: No network connectivity for a virtual machine Cannot connect to the Internet from the guest operating system Bridged, Host-only or Network Address Translation (NAT) networking fails Purpose This article helps you to determine the cause of networking problems affecting one or more virtual machines. The steps in this article…

Allow remote SQL connection to Mysql from any host

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Allowing the login of a user from any host in Mysql is simple: mysql> select host, user from mysql.user; +—————+——+ | host | user | +—————+——+ | 127.0.0.1 | root | | localhost | root | | minimal01.lan | root | +—————+——+ 3 rows in set (0.00 sec) mysql> update mysql.user set host=’%’ where host=’127.0.0.1′;…

CENTOS 6 Minimal does not have the Network interfaces up by default

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So test drove CentOS  6 Minimum install .. Only real hiccup till now is : TUV ( the upstream vendor) aka RHEL decided to disable the network interfaces by default. WTF to that. A glance at the FAQ  will show the solution : Here’s my version for multiple interfaces.   # cd /etc/sysconfig/network-scripts/   # sed…