: May-2008

Home » Computer Articles » Archive by category : Linux (paged 8)

ClamAV Apply the following to all Email servers. Needed application before installation. Make sure you have bzip2-devel and gmp-devel installed swup --install bzip2-devel or yum install bzip2-devel swup --install gmp-devel or yum install gmp-devel Download and install CURL http://curl.haxx.se/download.html ./configure make make install Download ClamAV from this web site Clamav Untar downloaded file tar -xvzf clamav-0.92.1.tar.gz ..

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TCPSERVER Apply the following to all Email servers. Download ucspi-tcp from this web site ucspi-tcp Configuration of Tcpserver Installation Download the ucspi-tcp package. The latest published ucspi-tcp package is ucspi-tcp-0.88.tar.gz. Unpack the ucspi-tcp package: tar -zxvf ucspi-tcp-0.88.tar.gz cd ucspi-tcp-0.88 Compile the ucspi-tcp programs: make As root, install the ucspi-tcp programs under /usr/local: make s..

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Installation NOTE: the following needs to be done as root user and only if not installed. Download qmail-1.03.tar.gz or higher from http://www.qmail.org/ Installing Qmail NOTE: the following needs to be done as root user. Create the qmail home directory: Type mkdir /var/qmail You must set up the qmail group and the qmail users before compiling ..

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QPOPPER Apply the following to all Email servers. Current version installed on server 4.0.8 Download Qpopper from this web site http://www.eudora.com/products/unsupported/qpopper/index.html Configuration of Qpopper Cut line below and then hit enter key CFLAGS="-02 -march=i686 -funroll-loops"; export CFLAGS Cut line below and then hit enter key ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/etc --mandir=/usr/share/man --enable-log-login --enable-specialauth --enable-shy --enable-standalone --enable-timing ..

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Linux Prerequisites A valid C compiler. SSH access to the machine. Nagios-plugin tar (see Nagios Server Installation on where to get the plugin). Installing the Nagios Plugins (Tarball is on your Nagios Server) Untar nagios-plugins. Run the configure script "./configure". Run "make". Run "make install". Create a nagios user (and give ssh access) Type "useradd -m -d ..

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Nagios Server Installation (on CentOS) Download: Nagios 3.0.2 (http://www.nagios.org/download/) Nagios plugins 1.4.11 Pnp 0.3.3 (http://www.ederdrom.de/doku.php/nagios/pnp_en) Before starting: Make sure you have; apache, mysql (or just the libraries), oracle client, freetds. Installing Nagios Get the latest version of nagios and the plugins. Create a nagios user, a nagios group and a nagcmd group. Create the installation ..

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Sudo onto Machine Remove existing Logwatch: rpm -e logwatch Get latest rpm version of Logwatch from: Logwatch.org, using wget Install the rpm -ivh newlogwatch Customize Logwatch On REDHAT - replace config file (/etc/logwatch/conf/logwatch.conf) with the logwatch.conf from the customlogwatch folder or copy info below. Edit logwatch.conf and add info below MailTo = [email protected] Range = Yesterday ..

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SSH Server Configuration Edit /etc/sshd_config (vi /etc/sshd_config) Remove everything in the file and paste in stuff below. Port 22 Protocol 2 ListenAddress 192.168.1.1 Change to the ip address of the Server. HostKey /etc/ssh/ssh_host_key HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key SyslogFacility AUTHPRIV LogLevel INFO LoginGraceTime 120 PermitRootLogin no StrictModes yes AllowUsers "name" IgnoreRhosts yes IgnoreUserKnownHosts yes PermitEmptyPasswords no X11Forwarding ..

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To create basic iptables firewall in a Redhat compatible distro, edit the /etc/sysconfig/iptables file and add the info below: *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state INVALID -j DROP -A INPUT -i lo -j ACCEPT -A INPUT -s 192.168.0.50 -p udp -m udp --dport 123 -j ACCEPT ..

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VMware regularly checks for unused virtual memory to return back to the host OS. This permits more concurrent virtual machines, but incurs a performance hit. Disable this by adding the line MemTrimRate=0 to the virtual machine's .VMX file. You may want to avoid this overhead for guests for which host memory is plentiful and I/O ..

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