Issue When I try to play a slideshow I get the error, Cannot create a hyperlink to ^0 Solution This is down to the hlink.dll file being corrupt. The “Official” fix for this is to copy over a new one to system32 and register. You can register this by going to run and executing the … Read more
Below is a short guide to set up a VNC server within Linux. INSTALL Install the package by running the following commands, Ubuntu/Debian – apt-get install vnc4server xinetd Fedora/Redhat – yum install vnc-server PASSWORD Set the password for vnc by running the command vncpasswd START VNC Start the vnc server by running the command vncserver.You … Read more
To add a interface you need to do the following, 1. Confirm what the mac address is by running ifconfig -a 2. Then edit the relevant script , which can be found at /etc/sysconfig/network-scripts/ifcfg-eth0. The script can be ifcfg-eth1, ifcfg-eth2 etc etc. 3. And it should look something like this (for a static IP), … Read more
When trying to use the cp command you receive the error message, cp: omitting directory This can be overcome by using the -r option, cp -r [source file] [destination file]
This will simply print your text in red. echo -e ‘\E[31mThis prints in red.’; tput sgr0 If you need any further information or want to know how to add bold, underlining, or background colours to your text click here.
Go to the Command Prompt via `Start / Run / CMD`. And use the following syntax, Add a route route -p add [Destination] MASK [Mask] [Gateway] Remove a route route -p delete [Destination] MASK [Mask] [Gateway] Example This would add a route to network 10.1.1.0/24 via your gateway address of 192.168.1.100. route -p ADD 10.1.1.0 MASK … Read more
Below outlines the issue and resoultion when trying to send email using Postfix. Issue When trying to send an email on my linux platform I get the following error message in my mail.log ?? The IP you’re using to send mail is not authorized 550-5.7.1 to send email directly to our servers. Please use the … Read more
Solaris Prevent DoS /usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q 1024/usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q0 2048/usr/sbin/ndd -set /dev/tcp tcp_time_wait_interval 60000/usr/sbin/ndd -set /dev/ip ip_respond_to_echo_broadcast 0/usr/sbin/ndd -set /dev/ip ip_forward_directed_broadcasts 0 Disable redirects /usr/sbin/ndd -set /dev/ip ip_ignore_redirect 1/usr/sbin/ndd -set /dev/ip ip_send_redirects 0 Disable Source routing /usr/sbin/ndd -set /dev/ip ip_forward_src_routed 0 Linux Kernal 2.2 Prevent DoS /sbin/sysctl -w net.ipv4.tcp_max_syn_backlog=1280/sbin/sysctl -w net.ipv4.vs.timeout_timewait=60/sbin/sysctl -w net.ipv4.icmp_echo_ignore_broadcasts=1 … Read more
IP forwarding is the process of forwarding packets from one network to another. Below shows the necessary steps to enable/disable IP forwarding. Solaris Enable IP Forwarding ndd -set /dev/ip ip_forwarding 1 Disable IP forwarding ndd -set /dev/ip ip_forwarding 0 Check the status ndd -get /dev/ip ip_forwarding Linux Kernel If the output is 1 IP forwarding … Read more
O – On processor — the process is executing on the CPU in either user or system mode. R – Runnable — the process is on a run queue and is running or runnable. S – Sleeping — the process is waiting for a I/O event to complete. Z – zombie — process, terminated but … Read more
The Ultimate Linux Command Reference Guide Note: This was produced with Ubuntu. Tip: Theres quite a few in this list so I suggest that if your looking for something spefic use the search function (ctrl+F)…. a2p – Awk to Perl translatoraconnect – ALSA sequencer connection manageracpi – Shows battery status informationacpi_listen – ACPI event listeneraddr2line … Read more
In this example we will configure interface qfe1 with the an IP of 192.168.1.1 255.255.255.0 and set the speed to 100 full duplex. Bring up the Interface To bring up and plumb the interface, we first need to type the following, (change the IP to yours) ifconfig qfe1 plumbifconfig qfe1 192.168.1.1 netmask 255.255.255.0 up Update … Read more
In order to mount a hard drive we need to add an entry to the file /etc/fstab. This entry will allow us to not lose our drive mounting after a system reboot. /dev/sdb1 /mypartition ext3 defaults 0 0 Then to action the changes run the following command, root@server:/# mount -a Finally check that the drive … Read more
Edit the/root/.vnc/xstartup file so it reads, xrdb $HOME/.Xresources xsetroot -solid grey x-terminal-emulator -geometry 80×24+10+10 -ls -title “$VNCDESKTOP Desktop” & gnome-session & After doing this kill the vnc processes and restart. Note : You may need to change the last line if you are using KDE.
First of all run the command to enter the default gateway, route add default gw 10.10.10.100 Then to make sure it survives a reboot, edit the file ‘/etc/sysconfig/network‘ and add the line below. Of course changing the IP address to your default gateway – GATEWAY=10.10.10.100
If you have forgotten or lost your Windows Admin password have no fear, just follow the steps below. 1. Log into a limited account and in command prompt run the following. This will copy CMD.exe in place of the login screen, so when XP reboots it will present you with a command prompt window with … Read more
Below will grep for all files containing the word ssh at the beginning of the line. The BOL symol is ^. grep -r ^ssh /etc
Here’s a quick overview of Syslog, there’s much more to it and you can find tons more information in the links at the bottom of the page. Syslog stands for the System Log protocol. It allows for the sending and receiving of event messages and alerts across an IP network. Operating on either UDP or … Read more
Issue I cannot install via apt-get as I get the message, E: Package ssh has no installation candidate When running apt-get install [package name] you get, root@ubuntu:~$ sudo apt-get install sshReading package lists… DoneBuilding dependency treeReading state information… DonePackage ssh is not available, but is referred to by another package.This may mean that the package … Read more
Below should the configuration steps for adding a default gateway to Debian. root@host:~$ route add default gw [ip address] Note : Remember to add it (to survive a reboot) to your ‘/etc/network/interfaces’.Add the following entry to required interface within the interface file – gateway [ip address] Below is an example : auto eth0iface eth0 inet … Read more
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