A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

learn more… | top users | synonyms

6
votes
3answers
10k views

Changing default from e-mail address for system accounts when using sendmail

I would like certain system accounts (root and www-data) to have the header From: Example Company <noreply@example.com> when e-mail is sent using either the mail or sendmail commands, or from ...
1
vote
1answer
14k views

How to chown directory for multiple users?

Specs: Running Centos 6 64 Bit I am trying to chown a directory for all users on the VPS, aswell as for apache. But for some reason I can only have either apache, or just the users. I tried doing ...
2
votes
2answers
782 views

GRUB 2 “stuck” on particular boot option

I just installed a system with openSUSE 13.1 using a btrfs root and made the mistake of picking Windows in the reboot dropdown in KDE. Now grub seems to load Windows automatically every time instead ...
0
votes
1answer
431 views

Best practices of keeping Firefox profile on ramdisk

Having plenty of RAM, I'd like to use it to speed up the browser. Goals: Have profile and cache completely in memory, so HDD is not used much while browsing and fsyncs don't reach actual HDD or ...
5
votes
1answer
9k views

Running VirtualBox on a Windows 8.1 host

I have a Windows 8.1 Pro 64-bit machine, with an Intel Haswell i7 processor, and 8GB of RAM. I installed the latest VirtualBox (4.3.6) and I'm trying to install a Linux guest. I've tried several ...
1
vote
1answer
104 views

Ubuntu messed up during install

I'm new to Linux. I have an HP Pavilion dv6 laptop with an AMD A6 Vision processor, not sure on the other specs and it's kind of bricked right now so I can't look them up. I tried to install Ubuntu ...
1
vote
1answer
524 views

Iptables limit user access time and mac

I am trying to create an iptable chain to kick my daughter off her ipad during the night. With the mac only filter I can block access but when I add time it no longer works. Does anyone see an issue ...
1
vote
1answer
82 views

SSL not work for virtual IP

I have a website which was deployed with three real web servers and a load balancer with a virtual IP. I have applied an SSL certificate from a CA and imported to Tomcat using OpenSSL using the ...
0
votes
1answer
245 views

How to burn-in a home built pc running centOS?

I have built my first PC from components yesterday I have installed CentOS 6.5 on it as this will be my ZFS home based server. How do I burn-in a home built PC on linux? Is there some live CD ISO ...
1
vote
0answers
283 views

TCP/IP resets (Linux, SSH, RDP, ADSL router)

I have an ADSL router (model Pirelli DR A226G) that seems to cause dropped tcp/ip connections (not ADSL connection per se). I have tracked it using Wireshark and captured a few cases and they always ...
1
vote
1answer
105 views

Using cmake in linux

I don't like cmake. Now that that is said, here's the question; 1) How do I tweak the configuration using cmake? Using make all that is necessary is configure --help to get commands to setup ...
13
votes
6answers
929 views

I named a folder the character for space, and now that I've switched over to Windows I need to rename it

I named a folder " ", the symbol for a space. In Linux you can create folders with just a space. Now that I've switched over to Windows, I can't move the folder that has the folder named " " in it. ...
0
votes
1answer
507 views

How do you redirect traffic for all IP addresses on an AdHoc network?

Sometimes when I sign into a businesses WiFi network the server/router redirects all traffic to their sign in page where I have to click accept (or pay) before getting access to any other pages. How ...
0
votes
1answer
72 views

I want to bring Lubuntu to the first position and bring Zorin OS to second position in GRUB Menu

So, I installed Zorin OS and now want to bring back my lubuntu to the default position. I am a newbie so please give a Brief answer I want to bring Lubuntu to the first position and bring Zorin OS to ...
0
votes
1answer
157 views

Useradd command vs MySQL CREATE USER

Do users and passwords created by useradd command in linux also register them with same creditionals in MySQL database?
0
votes
2answers
38 views

Systemwide Alarm?

When I am on a console-only machine, I often find myself knee-deep in screen. But, I would like to make an alarm call to get me off to my day job. Is there a utility or command of some kind that ...
0
votes
2answers
163 views

Use old PC as server [closed]

I have 3 SATA laptop Hard Drives which I would utilise in some way, preferably I would like to join them together (though USB) to my old PC (really old - 500MB of RAM) and somehow use that as a home ...
1
vote
0answers
21 views

ps aux and processes between [ ] [duplicate]

Just wondering if there is a difference between processes listed between [ ] and others when running ps aux. What does it mean? Is the process still running or is it a recent process that has been ...
1
vote
1answer
124 views

SSH connection between 2 Ubuntu VMs with ObenNebula

I need to connect to Ubuntu 12.04 VMs via SSH, but it doesn't seem to work. I've gone through all the steps that seem to be OK for setting it up. First, I installed one Ubuntu VM, updated its ...
1
vote
0answers
548 views

Vuze default meta search template missing or broken?

Old versions of Vuze have worked on this computer, on this network, fine, up to just the other day -- until a clean install of Linux. Vuze 5.2.0.0 has a good connection: Pausing downloads before ...
10
votes
3answers
22k views

Using vim to force edit a file when you opened without permissions

I use vim to edit a file. Sometimes, I forget to have the appropriate permissions. I run vim and the file as a read only file. I can make changes, but I can't actually write the changes. Every once in ...
0
votes
1answer
90 views

Why does USB pen partition not show up in /dev/

This is a question to end my wondering, more than a problem. I am playing around with some USB memory sticks on Linux. When inserted they are automatically mounted, and I can access the files. Two ...
3
votes
1answer
507 views

How to inspect disk image

I have a dump of a hard disk. A hard disk recovery company made it for me. I don't know what software they used to make the dump, all I have is a file disk.img. My only idea to get started was using ...
0
votes
0answers
179 views

What's a reliable command-line Linux app for SFTP uploading?

I have to upload a large number of files via SFTP. I need a command-line app to do this on Linux CentOS 6. Yes, I've searched on Google and haven't found any that are reliable. I tried to use scp ...
3
votes
0answers
464 views

How to decrypt a message sent via Pidgin-Encryption?

A friend sent me an offline Google Talk message that was encrypted via Pidgin-Encryption. It didn't appear in my Pidgin logs because I wasn't logged in when it was sent, but I do have the encrypted ...
1
vote
1answer
5k views

How to shut down openwrt without corrupting file systems?

I have a small box running OpenWRT (it's actually a Wifi Pineapple). It has an internal file system on the microsd. If I plug in a USB drive with a formatted ext3 file system, then the drive is ...
-1
votes
2answers
5k views

ubuntu 13,10 “Failed to download repository information”

I have ubuntu 13.10- 64 bit version on my machine.recently i tried to install postgres for ROR development but i couldn't complete the postgres installation and found that my update manager always ...
0
votes
3answers
621 views

Show a default page after connecting to WIFI LAN

I have the following setup at home: |--------------------| INTERNET ---- | GATEWAY COMPUTER | ----- WIRELESS ROUTER )))))) CLIENT 10.10.0.2 ...
0
votes
1answer
1k views

Use scons with gcc 4.7 on CentOS 6

I followed the instructions at Install gcc 4.7 on CentOS for installing gcc 4.7.2 under /opt/centos/devtoolset-1.1/root/. Now I'd like to build a project which is configured to use scons. I did the ...
0
votes
1answer
469 views

HOSTUNREACH error when trying to connect from Android to Linux on Raspberry Pi

I'm having trouble getting any of the Android SSH clients to work. I've tried a few including the two most popular JuiceSSH and ConnectBot. They all give the same error HOSTUNREACH. Android is ...
3
votes
2answers
2k views

Unrecognized character in filename (linux)

I have a problem accessing file in linux Mint. The reason is obviously the unrecognized character(s) in the filename but none of the techniques I know helped me to rename it. So, here are details: ...
1
vote
0answers
529 views

Installing OCaml Core on Fedora 20

I just got the Real World OCaml book and they are using the Jane Street Core standard library in the book. This means that without it, most of the code in the book does not compile. It seems like Core ...
2
votes
2answers
281 views

Echoing output to file while seeing it in console in the same time [duplicate]

So I echo output of my programs ran in terminal by command 2>&1 >> /path/toFile.txt It creates few limitations that I want to overcome: It "freezes" and gives no output in terminal - ...
1
vote
2answers
181 views

Can rdiff-backup be used to back up a single file?

Thanks to Superuser I've just found rdiff-backup. I've read the man pages and had a fiddle with the --include parameter but it did not do what I want, so my question is this - Is it possible to use ...
1
vote
1answer
4k views

increase /home size from root folder

The following is my partition in linux (ubuntu) Filesystem Size Used Avail Use% Mounted on /dev/sda7 42G 11G 29G 29% / udev 2.0G 4.0K 2.0G 1% /dev tmpfs ...
1
vote
2answers
272 views

Setting local network via WiFi

There are: Notebook running Ubuntu 12.04 acting as server machine LAMP (Linux, Apache, MySQL, PHP) server Some devices with WiFi ability I want to configure local WiFi network on my notebook, so ...
4
votes
0answers
897 views

Error mounting external hard drive

When I tried mounting an external hard drive connected via usb I got the error quoted below. So far I've tried using ntfsfix and chkdsk. My operating system is Arch Linux and the drive is NTFS ...
0
votes
1answer
172 views

How can I install Ubuntu on new hard drive maintaining old home directory?

As per subject I'll install a fresh copy of Ubuntu 12.04 onto a new SSD. My current home directory is already on another partition, on a different physical disk. Can I tell Ubuntu to point to that ...
4
votes
2answers
4k views

Can I find out if PCI-e slot is 1.0, 2.0 or 3.0 in linux terminal?

I'm going to purchase a GPU which is for PCI-e 3.0. But since I don't know what PCI-e slot it is in my computer I need to find it out somehow. Is it possible to find it from the terminal in linux?
0
votes
1answer
118 views

SSH issue from outside home network

My issue is: I am trying to access a server outside of my network that has a public static IP (PSIP) with ssh, but when I try to use the PSIP the connection times out. I am running the server as a VM ...
2
votes
1answer
510 views

Annotating PDFs using Wacom tablet on Linux

I recently got a Wacom Bamboo tablet and I'm looking at ways of annotating PDFs with it. My desktop and laptop both run Fedora 20. I would essentially need some piece of software where I can easily do ...
1
vote
1answer
383 views

Does Windows 8 not support path longer than a certian length such as 256 characters?

Does Windows 8 not support path longer than a certian length such as 256 characters? Such path is created under Linux, because Linux doesn't have such limitation. Thanks!
0
votes
1answer
79 views

Preventing SSH to use VPN

I asked this question on serverfault but did not get an answer so hopefully someone here can help me with this. I use a VPN service on my Debian server which I connect to remotely using SSH. The ...
1
vote
1answer
296 views

Debug info package for centos

Hi I am getting the following on each line of gdb instruction steps. Does anyone know what package I need to install to remove this message from a CentOS build? Missing separate debuginfos, use: ...
0
votes
2answers
1k views

How can I create a /etc/init.d/ script easily?

I usually just copy some existing script like /etc/init.d/ssh, remove extra things and edit remaining things. This is not very convenient. Is there a simple tool to create good Debian initscripts? ...
3
votes
1answer
176 views

Is there an archive flag in ext2/ext3/ext4 or how does incremental backup works in Linux?

I am wondering, does an ext2/ext3/ext4 file system (and Linux) support "archive flags". At Windows it is quite convenient to do an incremental backup because the archive flag is automatically set if a ...
0
votes
2answers
354 views

How to set iptables?

I want to allow traffic only for httpd(nginx), port 2710 and ssh. I've tried the following, but it didn't work and apparently all httpd, traffic was blocked and I couldn't access ssh as well. There ...
0
votes
0answers
868 views

Linux Ethernet Bridge (bridge-utils) does not reply to ARP requests

I am having problems with a newly created Linux bridge. The architecture is: PC1 (eth0) <---> (eth2) BridgePC (eth0) <---> (eth0) PC2 BridgePC is a virtual machine (ESXi ...
0
votes
1answer
44 views

Formatting harddrive for data storage

I have an SSD and a HDD drive stored on my computer. The SSD is for running programs and the OS and the HDD is for storing media, data, and other things that don't require fast read and write speeds. ...
0
votes
0answers
574 views

How to stream /dev/video0 with VLC remotely?

I am trying to stream composite a/v to HTTP. The following command works for me but the problem with it is that I need to press PLAY once VLC GUI pops up. This command only works on host PC and not ...