Linux : Clear bash history

alias histfix='history -c;rm -rf ~/.bash_history;'

Linux : zip without files names, list zip contents

zip -j - will Junk directories paths from files being added unzip -l - will list files in z zip archive

Linux : Larger vnc windows

Need to start the vncserver bigger - such as vncserver -geometry 1280x960

Linux : Get gnome in vnc

edit ~/.vnc/xstartup and change the windows manager invocation at the bottom : #twm & exec gnome-session &

Linux : Yum - installing a specific version

To get all versions of a package in a repo * yum search --showduplicates  mercurial * Then install with full name yum install mercurial-1.7.2-1.el5.rf.x86_6

Test1

test1

Linux : Asset tag under linux

/usr/sbin/dmidecode | egrep -i 'serial|asset'

VMWare : Getting vmplayer to stop/start by remote control

Download VMWare VIX api from http://www.vmware.com/support/developer/vix-api/ Install in linux by running bash VMware-VIX-1.10.3-368992.x86_64.bundle (needs gui) Use vmrun command eg. vmrun -T player start /local/vmware/Bangor/Bangor.vmx vmrun -T player stop /local/vmware/Bangor/Bangor.vmx

Oracle : Clone grid control agent

In Grid Control->Deployments->Install Agent->Clone Agent On source server in dir above the agent home  zip -r agent11g_201105v1.zip agent11g Copy to target server or the OEM server Take care to pick the correct OS in the drop down, linux != linux x64!

Linux : Faster file transfer via ssh and tar compression

time scp  ARCHIVE_01.dbf oracle@remote.server.com:/b04/volbackupnew/oradata/NEWDEV5/dataguard/test real    41m5.699s time tar cvfz - ARCHIVE_01.dbf | ssh oracle@remote.server.com "tar zxvf - --directory /b04/volbackupnew/oradata/NEWDEV5/dataguard/test " real    0m57.987s

Linux : Marble Mouse Paste on Centos 5.5

Section "InputDevice"           Identifier  "Mouse0"           Driver      "mouse"           Option      "Protocol" "ExplorerPS/2"           Option      "Device" "/dev/input/mice"           Option      "Emulate3Timeout" "50"           Option      "Buttons" "7"           Option      "ZAxisMapping" "6 7"           Option      "Emulate3Buttons" "on" EndSection

Linux : Customize Vim Colors 2

In ~/.vimrc syntax on colorscheme murphy

Linux : Customize Vim Colors

In ~/.vimrc syntax on colorscheme ron #colorscheme desert

Linux : directory color in ls too dark

ls shows directories in a dark unreadable blue with a black background Change /etc/DIR_COLORS.xterm - set the DIR line to DIR 01;34 (lighter blue)

Linux : Change runlevel

Use telinit :- su -c 'telinit 3'

Linux : Getting hardware info from the command line

dmidecode

New squeezebox server

* Centos 5.4 * squeezeboxserver-7.4.0-1.rpm   wget http://triodeplugins.googlecode.com/files/BBCiPlayer-v0.9f.zip   manually install BBCiPlayer plugin - would not work auto   into /var/lib/squeezeboxserver/cache/InstalledPlugins/Plugins/   * vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 BOOTPROTO=none ONBOOT=yes TYPE=Ethernet NETMASK=255.255.255.0 IPADDR=192.168.69.240 GATEWAY=192.168.69.69 * vi /etc/resolv.conf nameserver 212.23.3.100 nameserver 212.23.6.100 * Add additional vm disk 150Gb  fdisk /sdb  mkfs.ext3 /sdb1 * vi /etc/fstab /dev/sdb1               /u01                    ext3    defaults        0 0 * Copy all music   mkdir /local/Music   mkdir /local/Playlists * vi /etc/samba/smb.conf workgroup = WORKGROUP [Public]         path = /local/Public         writeable = yes         guest ok = yes [Music]         path = /local/Music         writeable = no         guest ok = yes [Photo]         path = /local/Photos         writeable = no         guest ok = yes * chkconfig --level 2345 smb on * vi /etc/yum.repos.d/dag.repo [dag] name=Dag RPM Repository for Red Hat Enterprise Linux baseurl=http://apt.sw.be/redhat/el$releasever/en/$basearch/dag gpgcheck=1 enabled=1 * vi /etc/yum.repos.d/rpmforge.repo [rpmforge] name = Red Hat Enterprise $releasever - RPMforge.net - dag mirrorlist = http://apt.sw.be/redhat/el5/en/mirrors-rpmforge enabled = 1 protect = 0 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag gpgcheck = 1 * tar xvfz VMwareTools-4.0.0-171294.tar.gz  cd vmware-tools-distrib/  ./vmware-install.pl * libtorrent-0.12.0-1.el5.rf - nb. had to downgrade or no connection   rtorrent-0.8.0-1.el5.rf * vi /etc/inittab id:3:initdefault: * Copy photos to /u01 * Install squid  Copy squid.conf and allowed-sites * Install dnsmasq  Copy dnsmasq.conf  Update /etc/hosts * Install lighttpd  Copy config  Copy proxy.pac and link to /srv/www/lighttpd  Link /u01/Photos to /srv/www/lighttpd  Available at photo.steampig.co.uk/album

Vmware squeezecenter - now includes BBC iplayer

* Vmware workstation machine * Install Centos 5.3 dvd - Gnome desktop + server heavily cut down - dhcp, no firewall or selinux * yum install Mysql and mysql server * Setup vmware share for host resource directory * rpm install squeezecenter * Switch to static ip /etc/sysconfig/network - gateway xx.xx.xx.xx /etc/sysconfig/network-scripts/ifcfg-eth0 - BOOTPROTO=static IPADDR=xx.xx.xx.xx NETMASK=255.255.255.0 * Set up static dns /etc/resolv.conf - nameserver xx.xx.xx.xx * Setup vmware share for host music directory - ln -s from /dev/hgfs directory * Squeezecenter config - music dir, playlist dir, add iplayer and lazysearch2 plugins, disable unwanted plugins * Test with softsqueeze * Re-point squeezeboxes and customise menus - also set alarm * Increase internet radio buffer to 10 seconds Squeezecenter-Settings-Advanced-Network-Radio Station Buffer Seconds "F:\Program Files\VMware\VMware Workstation\vmware.exe" -x  "G:\Iggy (Centos 5.3)\Iggy (Centos 5.3).vmx"

Oracle : SQL Developer Data Modeller

Pros Full oracle support Also SQL Server (2005?) and DB2 Java based so linux too Data model v.similar to Designer Reverse engineer and generate scripts Diff ? No db required - xml files - so portable Repository in the offing Cons Expensive - $3k list Unable to draw arbitrary lines for unsupported relationships No customisation Process flows - unable to do functional decomoposition (?)

Linux : add additonal disk as a logical volume

# Add new disk as a logical volume # Create partition fdisk -l fdisk /dev/sdb n-1-rtn-rtn # Create a physical volume pvcreate /dev/sdb1 pvdisplay # Create a virtual group VolGroup01 vgcreate VolGroup01 /dev/sdb1 # Get PE size from vgdisplay vgdisplay  Total PE              4094 # Create a logical volume lvcreate -n vol01 -l 4094 VolGroup01 lvdisplay mkfs.ext3 /dev/VolGroup01/vol01 # Add to fstab vi /etc/fstab /dev/VolGroup01/vol01    /u01         ext3    defaults        0 0 mount /u01