How much memory has a Solaris box got ?
To find out how much physical memory is installed in a Solaris server, use the query… # /usr/sbin/prtconf | grep “Memory size”
udev: renamed network interface eth0 to eth1
After copying a colinux directory from one server to another and trying to start it. It decided to rename all the interfaces. The solution lies in deleting the entries from the file /etc/udev/rules.d/70-persistent-net.rules
Balance
Balance (http://www.inlab.de/balance.html) is a useful tool to route TCP to another server. Consider a server A that can not get to server C directly due to firewall rules but can get to Server B. Server B will act as a proxy. If I am routing oracle commands on port 1521, I would start it up [...]
Compiling PHP on Centos
The precompiled PHP binary does not include MySQL support so it must be recompiled from source. Download the PHP package and untar it Download the httpd headers yum install httpd-devel Configure ./configure –with-mysql=/usr/bin/ –with-libdir=lib64 –with-apxs2 –with-pic –without-aolserver make make test make install edit http.conf LoadModule php5_module /usr/lib64/httpd/modules/libphp5.so AddType application/x-httpd-php .php Alias /php/ “/var/www/html/php/htdocs/” <Directory “/var/www/html/php/htdocs/”> [...]
Adding Raize font in Linux
Raize is a great font for programming because it is clean and clear. Download it here http://www.raize.com/devtools/tools/raize_font_linux-1.0.tar.gz or here http://www.raize.com/devtools/tools/rzfont.asp and install as follows Step 1 Untar to ~./fonts or /usr/share/fonts Step 2 You need to remove the “no-bitmap” link and replace it with the “yes-bitmap” one # rm /etc/fonts/conf.d/70-no-bitmaps.conf # ln -s /etc/fonts/conf.avail/70-yes-bitmaps.conf /etc/fonts/conf.d/ [...]
ssh without login
1) Generate private/public key into .ssh ssh-keygen -t dsa 2) copy public key to destn cat .ssh/id_dsa.pub | ssh <destn> “umask 077; test -d .ssh || mkdir .ssh ; cat >> .ssh/authorized_keys”
ssh port fowarding for Toad or MySQL client
10.1.16.8 is MySQL server 10.1.5.234 is an intermediate host Setup a tunnel bash-3.2$ ssh -L3306:10.1.16.8:3306 howardb@10.1.5.234 Connect Toad to localhost instead of 10.1.16.8 using port 3306 and connection is made. Intermediate host has “AllowTcpForwarding yes” in /etc/ssh/sshd_config Restart server after modifying sshd_config