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0
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0answers
10 views

Use specific version of package per directory with Homebrew on Mac

I often find myself switching to a specific version of a package installed with homebrew when switching projects. $ cd ~/Desktop/projects/project1 $ brew switch phantomjs 2.0.0 Cleaning ...
0
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0answers
22 views

Switch between desktops in windows 7 when we pin many programs to taskbar

When we pin many programs to the taskbar another desktop window is added which we can switch between them as you can see in the picture: my question is how we can add them (without pinning the ...
2
votes
1answer
66 views

connect two vlans in cisco switch to one server

I have two VLANs on a Cisco switch. The first VLAN includes 24 PCs and the second has another 24 PCs. Now the company has decided to install a server for these computers. How can we connect these ...
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0answers
13 views

Can I use a VLAN to prevent naming conflicts from devices on the same subnet?

My scenario is this... I have a business where all of the devices are connected to two layer 2 HP switches that are joined by a static port team. All of the connected devices are on the same IP ...
0
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0answers
15 views

Where does the OS fetches the MAC address before encapsulating frames?

packet arrives from application->...Network->(IP encapsulation added here as per IP configuration)->goes down to Data Link Layer Here the Framing is Done and SourceMac and Dest Mac is added for LAN ...
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0answers
17 views

Identifying unknown switch in network

I have a managed switch and I want to identify an unknown switch that is connected to it.I have the MAC addresses of all the devices connected to it. how to identify which one is the switch?
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vote
1answer
4k views

How to enable ip masquerading/forwarding on CentOS 7

I want to enable IP masquerading/forwarding on CentOS 7, but when I specify net.ipv4.conf.default.forwarding=1 in /etc/sysctl.conf, it doesn't work. Can any one help with this problem?
0
votes
1answer
219 views

Windows 8 - Prevent Transparent Windows when Hovering

Say you have several windows open. Maybe like 4 different Internet Explorer pages with several tabs in each IE window. You know how the icons are grouped on the taskbar, like one icon for similar ...
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0answers
124 views

Inter vlan routing through Layer3 switch vs Router

I am trying to understand a network configuration that I have recently inherited. I am trying to diagnose slow network speeds, internet latency, dropped packets... you name it, the network it kind of ...
6
votes
1answer
4k views

What happens if an unmanaged ethernet switch is looped (connected to itself)?

I don't know much at all about networking, and I when I tried to find an answer to this online I found someone who posted a one sentence answer saying "It would cause lots of broadcasts and ...
2
votes
0answers
69 views

In XOrg, can i switch keyboard-layout per application and still honor ~/.Xmodmap

I'm using my ~/.Xmodmap to map: keycode 38 = a A adiaeresis Adiaeresis and similar to be able to type German umlauts (äöü) on a US-qwerty layout. For switching keyboard layouts between German qwertz ...
0
votes
1answer
29 views

Computer goes haywire when connected to modem/router or switch, but not AP

I've got a really weird situation with one workstation on my network. Topology: Comcast Business class modem/router -> D-Link gigabit switch (192.168.42.0/24) -> Linksys EA6500 router/AP ...
0
votes
1answer
333 views

Instead of VTP , what protocol can be used for non CISCO switches?

I got to know that VTP (VLAN Trunking Protocol) is a Cisco proprietary protocol. So VTP can be used only on CISCO switches. So if there is a non-Cisco switch in a network, what kind of protocol can be ...
0
votes
0answers
135 views

Cascading KVM switches

I have a not-so-small number of computers (say, 5) which I want to access with a single keyboard, USB and monitor. I can get an 8-port KVM switch, which is a pretty expensive piece of hardware; ...
0
votes
1answer
623 views

Disable of discrete/native graphics on MacBook Retina when using apps like VMware, VLC, etc

I got a MacBook Pro Retina a few months ago and I'm really happy with it. However, since I do a lot of work in different environments/OSes, I make heavy use of VMware to have them with me when I'm on ...
0
votes
2answers
721 views

Is there software to switch between DVI and VGA input on a monitor?

I'd like to know if there is a way (software, a keyboard combination, etc) to switch between DVI and VGA input on the same monitor. I've two PCs connected to the same monitor, far away (80cm) from ...
1
vote
1answer
57 views

Switching Between Desktops does not Stick

I am using a MacBookPro and use the three-finger swipe gesture to move between desktops. However, this feature seems to stop working randomly. Interestingly though, when this happens, I am still able ...
0
votes
2answers
2k views

SFP Expansion Slots - Bad terminology or Bad understanding?

I'm doing a bit of product research for my company as we need to select a special use switch for an industrial customer which requires the use of both Ethernet and Fibre connectivity from the switch. ...
3
votes
1answer
5k views

Extract and overwrite existing files

I am trying to write a batch script to extract files out of an existing zip file, into another folder on my desktop and to have the system not prompt me as to whether I want to overwrite the existing ...
2
votes
1answer
777 views

Moving “Workspace Switcher” in Ubuntu Unity Launcher

I need the Workspace Switcher in Unity's Launcher at the very top just below Dash or Nautilus. I need this because when I run VirtualBox the commands CtrlAlt↑/↓/←/→ are not ...
0
votes
1answer
332 views

wireless networking: can wicd switch wireless cards automatically

I have slackware64 13.37 installed on my laptop, with wicd 1.7.0 as network manager. By default wicd connects using the internal wifi card. I have a much better usb wifi card that I would prefer wicd ...
3
votes
4answers
1k views

What is the security risk of using WLAN and LAN network on a computer at the same time?

We have a few older HP laptops that when docked in a port replicator the WLAN connection is disabled and the LAN connection is enabled. We have since replaced these with Toshiba R700s which do not ...
0
votes
2answers
626 views

Enabling Alt+Tab buffer switching like Windows or Firefox in Vim

How do I set up a buffer switch like Alt-Tab on Windows:? It cycles through a list sorted by last access first? So if I pressed Alt+Tab, I'd get the last accessed buffer. If I pressed it again, I ...
0
votes
2answers
157 views

Is it possible to share a big-screen monitor - switching between personal Windows 7 laptops in the office?

We use laptops & WiFi in the office. We often make demo to each other and need to show the demo on a big screen monitor hang in the middle of the room :). I want to switch the display between ...
7
votes
3answers
3k views

In Opera 11, how can I set up shortcuts to switch to specific tabs?

In Firefox on Linux, we can use Alt+1, Alt+2, etc. to switch to the first, second, etc. tabs, till the 9th tab. This is very useful to switch between tabs. In Opera 11 on Linux, I couldn't find a way ...
4
votes
2answers
2k views

Switch buffers in vim without saving to a currently modified file

Ok, I'm a vim user with the Minibufexl plugin which shows buffer tabs, I've mapped Shift+J and Shift+K to switch between tabs. One thing that frequently frustrates me is while editing a file, and ...
1
vote
3answers
78 views

Get multiple systems at once?

I heard that there are some programmes that allow to feel like you have 2 OS at once, that is to say, you can easily, without rebooting, switch between them. So I have the follwing question concerning ...