Exim Commands

Some useful Exim Commands Queues information ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Print a count of the messages in the queue: Quote: # exim -bpc ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Print a listing of the messages in the queue (time queued, size, message-id, sender, recipient): Quote: # exim -bp ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Print a summary of messages in the queue (count, volume, oldest, newest, domain, and totals): Quote: # exim -bp | exiqsumm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Generate and display Exim stats from a logfile: Quote: # eximstats /path/to/exim_mainlog ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Generate...

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List top 10 Files or Directories Size Wise

Type the command below to see the files listed size wise from higher size files to lower size files. ----------------- for X in $(du -s * | sort -nr | cut -f 2); do du -hs $X ; done --------------...

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How to Install compiz in Fedora

Compiz is one of the first compositing window managers for the X Window System that uses 3D graphics hardware to create fast compositing desktop effects for window management. The effects, such as a minimization effect and a cube workspace are implemented as loadable plugins. Because it conforms to the Inter-Client Communication Conventions Manual standard, Compiz can substitute for the default Mutter in GNOME or KWin in KDE. To install compiz in fedora 1. Become root user. su - 2. yum install compiz compiz-gnome emerald emerald-themes fusion-icon compiz-fusion-extras compiz-fusion-extras-gnome compizconfig-backend-gconf 3. You can enable it by System -> Preference-> Desktop Effects and selecte Compiz 4. You can edit settings...

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Adding an IP range

Create a file named ifcfg-eth0-range0 in the /etc/sysconfig/network-scripts. Inside this file enter the following: ----------- IPADDR_START=192.168.0.10 IPADDR_END=192.168.0.110 CLONENUM_START=0 ----------- IPADDR_START: This is the first IP from the address range you want to bind to your ethernet device. IPADDR_END: This is, of course, the last IP from that address range. CLONENUM_START: This is the number that will be assigned to the first IP alias interface. For instance, if your Internet interface is eth0 and CLONENUM_START is 0, then this config file will create 100 interfaces starting with eth0:0 (eth0:0, eth0:1, eth0:2 etc) and ending with eth0:100. NOTE! Be careful if you need to add more ranges of IPs. You'll have...

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Install Java Plugins for Fedora

Fedora includes an open-source version of Java 6, and nearly every Java applet will run if you simply install the Java plugin that comes with Fedora:    1. Open a Terminal.    2. Become root:       su -    3. Install the plugin:       yum install java-1.6.0-openjdk-plugin Note: Tested in Fedora 12. You also need rpmforge configured (http://linux4starters.blogspot.com/2010/09/installing-local-rpms.htm...

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Installing Local RPMs

To install an RPM file that you downloaded outside of yum, open up a terminal, and as root do: rpm -Uvh filename.rpm If you have Internet access, you can also install local files by doing: yum --nogpgcheck install filename....

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Setting Up Package Installation RPMFORGE

After successful installation of Linux OS, many of the commonly used applications cannot be installed using yum. We have to configure the repositories or set-up packages. The easiest way to do it. To configure your system so that you can install packages from rpmforge, follow these instructions:    1. Open a Terminal.    2. Become root:       su -    3. Run the following command:       yum --nogpgcheck install http://rpm.livna.org/livna-release.rpm http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm Note: Tested in Fedora and Cent...

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Change / Reset MYSQL password.

Step # 1 : Stop MySQL Server: # /etc/init.d/mysql stop Output: Stopping MySQL database server: mysqld. Step # 2: Start to MySQL server w/o password: # mysqld_safe --skip-grant-tables & Output: [1] 5988 Starting mysqld daemon with databases from /var/lib/mysql mysqld_safe[6025]: started Step # 3: Connect to mysql server using mysql client: # mysql -u root Output: Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 1 to server version: 4.1.15-Debian_1-log Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> Step # 4: Setup New MYSQL Password: mysql> use mysql; mysql> update user set password=PASSWORD("NEW-ROOT-PASSWORD") where User='root'; mysql> flush privileges; mysql>...

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