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.

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143 views

Will I kill my computer if I delete this partition? Contains BootInfo, boot-sav, lost+found…

I want to delete a partition to save some space, but I want to make sure it doesn't have anything important on it. All it has are the following three directories, which look important, maybe... ...
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0answers
424 views

Upgrading from loop-aes to cryptsetup

Once upon a time, I had an encrypted external disk that I would mount thus: # losetup -e AES128 /dev/loop1 /dev/sdb1 # fsck /dev/loop1 # mount /dev/loop1 /mnt/wd # ls /wd There are those that say ...
2
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1answer
714 views

iotop complains “CONFIG_TASK_DELAY_ACCT not enabled in kernel” only for specific process

I'm trying to use iotop to determine whether the CPUs are waiting on I/O at any point for a specific program called bwa (it's a next-generation sequence alignment program). If I start iotop without ...
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2answers
1k views

Gunzip directory of files and pipe output Linux

I'd like to gunzip a directory full of compressed files and pipe the output (preserving the original files) to a different directory. I need the original names to stay the same. So... gunzip -c *.gz ...
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1answer
119 views

Fedora bleeding edge Perl repo?

Are there any Fedora YUM repositories that would contain the very latest stable version of Perl (at the time of writing, 5.18.0)? The Fedora site says that won't even be shipped stock until Fedora ...
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2answers
53 views

Switch the “environment” on Debian linux after the installation?

When you install Debian linux, there's a dialog in the graphical install system which asks after several steps in which environment you want to stay. There are options between "File environment", "Web ...
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2answers
95 views

How to keep another user logged in?

All users have encrypted home folders on one server I maintain and one of the users (non-human account) has useful resources in its home directory shared via Apache. In order to keep the user's home ...
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1answer
599 views

iptables, redirect from ip address to loopback

I have an Apache web server listening in 127.0.0.1:63280 eth0 has IP: 172.200.200.200.1, and try to connect from workstation IP 172.200.200.200 iptables -t nat -A PREROUTING -s 172.200.200.200.1 -p ...
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1answer
4k views

Find log files of Linux Mint after system turned frozen

My system freezes regularly, more than once a day, sometimes right after the start of X. I have not been able to reproduce the error deterministicly. After rebooting, where do I find the old files? ...
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2answers
758 views

Why does echo * | rm -f not work?

Why does echo * | rm -f not work? as per my understanding, echo * should list all the files in the directory and pipe should send this list as an argument to the rm -f command, which should delete the ...
1
vote
1answer
89 views

Show cat output on less exit

After viewing a file in less, with the convenience of scrolling to the side and searching, I want to be able to view/copy the contents of that file normally in my terminal window without having to run ...
1
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1answer
674 views

Where is the used disk space if it is not in root

I recently discovered that I only had a very small amount of disk space left. I found that my logs were getting quite huge so I reconfigured logrotate. However, I still have some issues. Using df -h I ...
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0answers
390 views

Apache memory usage never goes above 5%

I'm deploying an application that uses ImageMagick into VPS server. I tested in on two different OS: Centos6 and Ubuntu Server 12.04. On Centos6, the application is working properly and when ...
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0answers
329 views

Make open local port hidden to the outside. Forwarding port on the same machine [closed]

I have a station that has port X opened to the outside, on the local machine I want to forward data to port Y on the same network interface. BUT, I want port Y to be hidden from outside. Is this ...
5
votes
1answer
2k views

X11 forwarding doesn't work with multiple tmux sessions

If I start a tmux session locally and leave it open, then ssh in remotely and start a new tmux session (not attaching to the old one, a brand spanking new session) X11 forwarding seems to break. I've ...
0
votes
1answer
126 views

how to put a file without write permission

Recently I got a file on the root folder of my account in a hosted server. The folder access permission has been set 'writable' only for the owner. But recently I found a file that is there shouldn't ...
2
votes
1answer
579 views

What is more transparent, curl or wget in this web crawler project?

I have files on a Windows 7, xampp server (using altered port, 181). I am triggering the script from another computer (linux) using curl http://xxx.xxx.xxx:181/phpproject.php This PHP project is a ...
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1answer
95 views

How do I configure ifort on a personal workstation?

I've been getting into some heavy numerical work lately, so I went ahead and installed Intel Parallel Studio on Debian 7. Unfortunately, to use any of the installed software, I need to source a number ...
2
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1answer
463 views

Route internet traffic to isolated vm

I got two VMs, i want VM-2 to be an isolated host, forced to route it's traffic through VM-1. So for example if i use a VPN on VM-1 this will affect VM-2. VM-1: Windows 7, 2 NICs 192.168.1.80 ...
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1answer
1k views

Is it possible to log file system events in Windows or Linux? [duplicate]

Is it possible to log file system events like copy, modification, deletion and creation of files and folders on a workstation? I primarily use Windows, but I would like to know if this is possible in ...
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0answers
134 views

VirtualBox guest OS reports higher than actual storage usage

I've been using VirtualBox on Windows 7 to run a guest OS of Ubuntu Server 13.04. Generally this has been used for local testing of MongoDB which claims to be out of space. The guest OS has been ...
1
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1answer
694 views

Failing to update kernel

I have a Natty linux server with linux 2.6.18 in a VPS. I wanted to install new software in it now when I realized Natty is not longer supported. So i changed the repositories to Oneiric (deb ...
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2answers
515 views

Linux, Unix, Windows… Is access/modify time relative to system time?

I have searched, but can't find the right terminology. For example, if today was Friday, and a file was modified on Wednesday, then when I change the system time to Saturday, does the file's mtime ...
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1answer
53 views

Logistics of a large data transfer

This is the setup: I have a Ubuntu server that is doing the heavily lifting. Its pulls backups from an NFS and puts them on a Drobo device connected via USB using rsync. The Drobo has two seperate ...
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3answers
3k views

Can't unlock locked screen, in Ubuntu 12

After locking the screen (with a keystroke bound to xlock -nice 8 -mode blank), I can unlock the screen as expected, but only within a few minutes. After being locked overnight, when I hit a key ...
9
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3answers
37k views

PuTTY X11 proxy: wrong authorisation protocol attempted

I am trying to connect to an Ubuntu server to work on Qt-creator. Before everything goes wrong, I followed this tutorial. I downloaded putty and Xming and everything was working just fine. then, ...
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1answer
2k views

Why does Firefox plugin check report Shockwave Flash as outdated?

I have a Debian x86_64 system with Firefox installed from Mozilla's tar.gz. On the addons page (hit CONTROL+SHIFT+A then go to the Plugins tab) there is a link: "Check to see if your plugins are up ...
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votes
3answers
1k views

Deploying .war file on java application server only when file has finished being uploaded on a linux box

This problem happen quite frequently while uploading a .war or .ear, that are just little more than .zip file, to a remote server, and have it deployed by the application server. Usually, at ...
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5answers
4k views

Different Color for command and output

I was wondering if it is possible to change the color of the output of a command in linux to a different color than that of the command line where I type in. It is som monotonous and hard to find ...
1
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1answer
136 views

Installing java on red hat enterpirse linux 3

I am trying to run eclipse IDE which results in an error which says no java virtual machine was found. The result of running "/usr/sbin/alternatives --config java" command is that it displays - one ...
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0answers
328 views

RPM processes running wild

for some reason there are 40+ rpm processes running under root and are taking 100% of all 32 CPU's on a server. has someone encountered this before? running on RHEL 6.1.. I'm just curious if anyone ...
0
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1answer
179 views

Linux drains battery

I have a Lenovo ThinkPad L412 with a non-overclocked i5 2nd gen, 4GB RAM, and a Radeon HDv545. Whenever I use Windows and have possibly battery intensive applications running, the battery still lasts ...
3
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1answer
1k views

Run ssh/scp without .ssh directory or with alternate dir?

I'm inside chroot, and everytime I scp it keeps telling me: bash-4.2$ scp user@example.com:somefile . Could not create directory '/.ssh'. Host key verification failed. Obviously, I have no means ...
0
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1answer
103 views

methods to give wget range requests to download a video file

I am trying to use wget to download video files within a particular bitrate range ? How can use wget request to do this.
9
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3answers
5k views

Script or launcher to setup multiple terminal tabs in different locations

I have already studied this some time ago, but did not find any solution that would open terminal tabs, run some commands and then allow me to continue using those terminal tabs. All the ways I found ...
0
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1answer
972 views

How flashplayer works in firefox for linux : flash player installation troubleshooting

I am using Slackware 14 and I installed flash player as in this blog post http://goo.gl/A0Yxf. According to which I simply copied the "libflashplayer.so" provided by Adobe to the firefox plugin ...
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1answer
1k views

How to switch off discrete graphics card?

I've got one big problem that I simply can't solve. I got a HP Pavilion dv6 Laptop and it runs Linux Mint Debian Edition. This Laptop runs a hybrid graphics system and I want to switch off the ...
7
votes
2answers
22k views

What are the methods available to get the CPU usage in Linux Command line? [closed]

We know that top is a command to get the CPU usage in Linux and other ways include cat /proc/stat which is used by top. What are other methods to get the CPU usage in the Linux command line? Use ...
0
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2answers
419 views

Using curl on centos 5.9 for the same server hosted sites giving 404 [closed]

I am using the following command on my ssh terminal- curl -v -L http://mysite/path to request some data. However, its returning a 404 error(the site is hosted on the same server). But using curl ...
3
votes
2answers
174 views

How much of a difference is my squid cache making?

I'm on an ADSL connection that has a bandwidth limit (I can download 100 gig per month). For a bit of a test I set up Squid as a transparent web proxy to capture all HTTP traffic and attempt to cache ...
0
votes
1answer
604 views

Linux Copy Files in Mount Location Very Slow

In RHEL 5.5 Linux, I have a Folder //ELG which is a Mount location on shared Directory //AMC [ type cifs (rw,mand)] Inside //ELG/X1/SMART001 there are 3 files of 200 MB size ...
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0answers
107 views

Overheating iMac(2008) with kubuntu 12.04

I have an 24 inch iMac from 2008 and I installed Kubuntu 12.04 on it. The problem is: if I' m running and CPU-hungry program(Android Emulator, Virtual Box), the CPU goes to 80C. Also the screen is ...
2
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0answers
343 views

How to find out if a device is currently is use?

In an effort to create a Linux installation script, I'd like to check if /dev/sda is currently in use by the Kernel, and exit if so. I guess this means finding out what partitions are associated to ...
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2answers
769 views

“Missing Operating System” GRUB

Okay ill keep it quick, I screwed up when formatting my harddrive so now I have this issue "missing operating system GRUB" when trying to boot And if I try to boot from a live CD or USB I just get ...
0
votes
1answer
67 views

Samba permissions on windows

I have a folder shared by Samba and mounted on Windows. If I lock files in Linux I don't want Windows users to modify those. And If windows user will create a file/folder, in Linux I should be able to ...
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1answer
1k views

Cygwin responds with Permission Denied when I try to copy a file

I am a complete beginner to Cygwin and am trying to copy a file. cp /cygdrive/c/Users/name/Downloads/file_name . Cygwin responds with cp: cannot create regular file `./file_name': Permission ...
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0answers
170 views

Matching bracket selection on gnome-terminal, like Mac OSX terminal

I have recently fallen for a (non obvious) feature of the Mac OSX terminal: Given a display of some kind of deeply nested text with lots of matching brackets, parenthesis, or quotes (ie. JSON), the ...
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3answers
3k views

Linux and Windows File System? [closed]

Okay, I've somehow convinced myself to install Mint Linux (15: Olivia) beside my lovely Windows 8 operating system. Now, the only problem I have is sharing files between the two Operating Systems. ...
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0answers
32 views

Directory /ETC has been moved! — Ubuntu 13.04 [duplicate]

I made a bad move by moving my /etc directory to Dropbox in hopes to sync two computer enviroments. After moving the /etc directory any sudo commands responded with "Who is this UID 1000?". Basically ...
1
vote
3answers
146 views

Directory /ETC has been moved! — Ubuntu 13.04

I made a bad move by moving my /etc directory to Dropbox in hopes to sync two computer enviroments. After moving the /etc directory any sudo commands responded with "Who is this UID 1000?". Basically ...