2
votes
3answers
124 views

How can I split a text file based on the content into multiple text files?

I have a text file called CAMS.txt that contains the following: 4153999999999991 4153999999999992 4153999999999993 4153999999999994 4801999999999991 4801999999999992 4801999999999993 I would like ...
3
votes
3answers
320 views

AES-NI on Dell Vostro 3360

I don't have AES-NI available on my Dell Vostro 3360 laptop. Why? Does this machine not support it? My /proc/cpuinfo: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 58 ...
0
votes
0answers
6 views

Resolve filename from a remote URL without downloading a file

I am creating a script, which should download latest version of an application from repository and deploy the app. The main issue: there are several repositories and I need to check, which of them ...
2
votes
1answer
57 views

Shellscript! Syntax error: unexpected “(”

Update: After the changes from the first answer I got some more error codes. : not found: line 23: { esxidown.sh: line 24: redir error Insufficient arguments. : not found: line 26: esxidown.sh: ...
0
votes
1answer
9 views

Script or command to replace default parameters in /etc/user on AIX

I wanted to change the parameters settings in /etc/security/user file in AIX OS using a script. This is the sample user file. default: admin = false login = true su = ...
4
votes
1answer
23 views

Require private key for sudo

For added security, I would like to require a private key to use sudo on my Ubuntu Server box. I've added private key authentication for sudo as described at ...
11
votes
1answer
1k views

Fix Fn-keys for keyboard illumination

I've tried following the Ubuntu hotkeys/media keys troubleshooting guide and /usr/share/doc/udev/README.keymap.txt.gz to make the Fn keys work. After copying the map file and modifying ...
1
vote
0answers
14 views

IPv6 issue setting up Ad-hoc network

I am running Ubuntu 12.04 and have the following network interface: description: Wireless interface product: Centrino Advanced-N 6235 vendor: Intel Corporation ...
0
votes
3answers
622 views

How do I uninstall VMware Player?

I am using fedora 16 and I need to uninstall VMware Player and VMware Workstation. I tried this : [root@Feddy non-admin]# vmware-installer --uninstall-product vmware-player bash: vmware-installer: ...
7
votes
2answers
104 views

Practical usage of `set -k` option in bash

When do we use set -k option in bash? Bash reference manual says, All arguments in the form of assignment statements are placed in the environment for a command, not just those that precede the ...
1
vote
0answers
9 views

Use rsync to just get a folder and it's content with a pattern

I've looked all around the internet, looked in regexp sites and everything else, but I'm unable to write a rsync command to fetch what I want to. I need to mirror the FreeBSD release, but I don't ...
61
votes
9answers
4k views

Does `sl` ever show the current directory?

For those out of the loop, sl is a humourous command line tool that is meant to trip people up if they mistype ls. When invoked it prints a Steam Locomotive. For example: ( ...
1
vote
0answers
6 views

CentOS 5 - hdparm - how to set DMA mode

I'm running CentOS 5 with a PATA hard drive. I've used hdparm to tune the hard disk for better performance, but there are 2 settings that don't work: hdparm -M 254 /dev/hda gives the error ...
0
votes
1answer
671 views

Samba 4 gives “Failed to find a writeable DC for domain” on samba-tool domain join

I have a CentOS 6.4 box with SerNet's Samba 4.0.8 installed and no smb.conf file yet, as it should be. I want it to become an AD DC in my existing Windows domain, replicating from the existing ...
0
votes
0answers
4 views

Setting up apache axis client on centos

I have below codes. import java.util.*; import java.io.*; import java.net.URLConnection; import java.net.MalformedURLException; import org.apache.axis.client.Call; import ...
2
votes
3answers
30 views

What does [converted] mean at the bottom of vim?

I have a log file, and when I open it via vim, it looks not readable, and it has [converted] at the bottom. What does [converted] mean? Is there a way to fix the format issue so that it is human ...
0
votes
0answers
11 views

Apt-get Command not found for OpenDaylight

I am using OpenDaylight Ubuntu Mininet, when I want to do a sudo apt-get install it tells me Sudo: apt-get: command not found Here is the official code. [mininet@opendaylight ~]\>sudo apt-get ...
0
votes
3answers
56 views

Open a terminal with a login prompt

I want to open a terminal (xterm, gnome-terminal, tilda, whatever) and have it prompt for a username and password to login as. I thought this would be simple but all my Google results are polluted ...
3
votes
3answers
162 views

How to switch back and forth between users quickly on a single terminal?

I'd like to switch to another user without logging out the first user, then log in as a third user without logging out the other two, and so on, then switch between all users quickly. I'd like to ...
3
votes
1answer
551 views

How to mount two windows shared folders in linux?

I'm using OpenSuse 12.2 x64. I have tried this in /etc/fstab: //192.168.6.80/shared/folder1 /mnt/folder1 cifs rw,user=guest,password=,uid=1000 0 0 //192.168.6.80/shared/folder2 /mnt/folder2 cifs ...
1
vote
2answers
62 views

Can't create a bootable (live) usb flash for arch linux

I created a bootable usb from which I was going to install Arch. I did this the following way: sudo dd if=/path_to_arch_.iso of=/dev/sdX But when I tried to boot from this usb flash, I failed. ...
1
vote
1answer
13 views

Mutt - sent and drafts in the INBOX

I'm using offlineimap + mutt + msmtp to handle my email. I would like to have an unorthodox configuration, where all of my current mail (received, sent, and drafts) reside in the INBOX (or at least a ...
5
votes
1answer
306 views

Loading speedstep_centrino kernel module

Because of a noisy fan in my laptop, I need to change CPU frequency and for this task I need to load the appropriate kernel module. The CPU in my laptop Acer TravelMate 4002WLMi is: $ cat ...
0
votes
1answer
7 views

Unrar local files to remote server [duplicate]

I have two Linux servers, one which has several RAR files and another empty one. I would like to extract the archives and move the content to Server 2. The problem is: I do not have enough storage to ...
0
votes
1answer
6 views

Difference between maximum resident set size as reported by /usr/bin/time vs. getrusage?

I ran the command a.out like this: $ /usr/bin/time -f"%M" ./a.out a.out also uses the function getrusage() and prints: printf("%ld",ru.ru_maxrss); where the first ru is the struct. When I run ...
26
votes
5answers
2k views

cd .. on root folder

Why cd .., typed at root folder, does not warn or fails with an error? I would expect: /$ cd .. -bash: cd: ..: No such file or directory Instead, I'm left at /. Of course, this is since .. does ...
0
votes
1answer
4k views

enable apache mod rewrites to load clean-urls

In CentOS, a2enmod rewrite results in “command not found” but httpd -M lists rewrite module as listed and shared. I'm trying to enable it so can then have these rewrite rule apply so I can switch back ...
2
votes
1answer
15 views

Downgrade PHP 5.4 -> 5.3 on CentOS 5.10

Due to being in some dependency hell and some issues with PHP 5.4, we downgraded from PHP 5.4 -> 5.3. Since doing so, a few of our web apps are acting strange. E.g: # php index.php Results in: ...
0
votes
0answers
5 views

TokuDB fails to load in MariaDB, even when transparent hugepages are disabled

Earlier, I upgraded my website server to Ubuntu 14.04 LTS. I had a very nice setup with MariaDB and the TokuDB engine. However, the setup was kind of messed up when TokuDB refused to load properly, ...
1
vote
1answer
304 views

Windows 8.1 not appearing on grub after Linux Mint 16

I had followed a tutorial to install Linux Mint 16 Cinnamon and it works perfectly fine, currently using it to post this question. But when grub loads the only 3 options I am given, are Linux Mint, ...
0
votes
3answers
4k views

How to reach a Vbox guest from host when using NAT networking

Using Fedora or Ubuntu for the host with firewalls turned off on each side (vbox guest&host), what do I have to do to reach the guest machine using a NAT interface just like it would be with a ...
2
votes
1answer
37 views

speed up linux server [on hold]

On my VPS, I have centOS 6.5 installed with 2 virtual cpu 2048 MB memory, 60 GB disk and 300 GB monthly data. Doing a speed test today resulted in 168.62 Mbit/s dload and 37.39 Mbit/s upload. Then my ...
3
votes
1answer
22 views

When would you use pivot_root over switch_root?

I'm wanting to understand the Linux init process better in order to netboot a system over ceph rather than nfs. In the process I've come across two forms of switching root. One called switch_root, ...
0
votes
0answers
7 views

RPM distros like Fedora cause a strange white screen issue :S

okay so I love distros like Fedora and I want to use it so I am on a professional distro that is fairly up to date and requires low maintenance, hence Fedora (I hear its the most bleeding edge? Is ...
0
votes
1answer
873 views

unable to open X server

I am trying to generate a screenshot of a firefox window in my terminal, but I keep getting an error: root@host [~]# DISPLAY=:1 firefox http://www.cnn.com & sleep 5 && DISPLAY=:1 import ...
3
votes
2answers
46 views

Nginx listens at a port, only responds if set to port 80

OS: Funtoo. I have bound NGINX to port 81 (I want to run it alongside my Apache server for a short time for ease of transition), and it listens at the port (If I point at another port, using wget I ...
1
vote
1answer
12 views

SCSI additional sense codes meaning?

I'm developing a SCSI target software (and I'm new to SCSI) and I need to return correct sense data to tell initiator, that its request didn't go through because data were protected from writing. I'm ...
2
votes
2answers
51 views

External hard drive permissions - ext4

I have an external USB 3 disk drive (2TB capacity) that is most likely going to be moved from machine to machine. The disk has a GUID partition table and an ext4 partition. I am unable to write to the ...
2
votes
2answers
115 views

Redirect requests to my external IP/port to an internal IP/port?

I have a dedicated server running KVM virtualization with n public IP addresses dedicated to n-1 web-facing virtual machines. Now I'd like to set up some web-facing VM's that don't have a dedicated ...
0
votes
1answer
55 views

scp to Local Machine After SSHing [duplicate]

From my local machine I can copy files from a remote machine scp remote:/some/file/path ~ But what if I'm already SSHed into the remote machine? Can I do something like this ssh remote cd ...
1
vote
1answer
215 views

Executing commands with PHP: using normal user, but its home directory is /root

I'm using a custom compiled installation of Apache + PHP, listening on port 80. Apache is configured to run as a normal user, with the proper settings User and Group of the httpd.conf file. After ...
34
votes
1answer
39k views

In Linux “top” command what are us, sy, ni, id, wa, hi, si and st (for CPU usage)?

When I issue $ top in linux, I get a result similar to this (see here). One of the lines has CPU usage information represented like this: Cpu(s): 87.3%us, 1.2%sy, 0.0%ni, 27.6%id, 0.0%wa, ...
1
vote
1answer
256 views

Why system call hooking produces different result everytime in Linux/Android 2.6.29?

I have implemented system call hooking for Android 2.6.29 kernel through a LKM module. I am tracing down one Android app for system calls. But interestingly, it returns different results every time I ...
2
votes
0answers
8 views

How to actually test locale

So I know what locale does. Sets the output format of certain programs depending on what country/language you're in, for example 1000000 can be formatted like 1,000,000.00 1 000 000.00 1.000.00,00 ...
6
votes
1answer
59 views

Possible to see dead proccesses?

In man ps, it clearly states the different states a process can have on Linux. D Uninterruptible sleep (usually IO) R Running or runnable (on run queue) S Interruptible sleep (waiting for an ...
2
votes
1answer
26 views

VPN client for linux machine + support checkpoint gateway

Since Checkpoint Company does not have a VPN client for Linux (checkpoint VPN SNX R71 is not fit for us because this VPN required changes on the gateway side ). I'm trying to find if there is a VPN ...
2
votes
4answers
114 views

Why is writing so slow on raw device, and so fast on filesystem (USB key)?

I have a USB key that I am trying to benchmark quick'n'dirty on Linux. I'm testing write bandwith. dd on raw partition I created a partition starting at sector 2048, then did a 4 GB sequential ...
3
votes
1answer
18 views

Apropos always returns several duplicate matches from whatis

When I run apropos or man -k in bash, it always returns the same item (at least one) twice: Question Why is it doing this; and would it indicate that there's a possible configuration issue with my ...
-1
votes
2answers
31 views

Split files and rename the files

I need to split a large file into 5 pieces and rename them. For Example, file Test needs to be split into Test1, Test2 & Test3. However, the split command splits as xaa,xab,xbc.
1
vote
0answers
7 views

Cygwin serial tty device for high-numbered COM ports

My hardware enumerates as COM125 on the device manager (CDC-ACM class). But, I can't find it under /dev/tty* listing. Does cygwin have a limitation on CDC-ACM class of com ports or numbers greater ...

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