GNU/Linux is a UNIX-like Open Source operating system. Linus Torvalds originally wrote the Linux kernel with contributions from others on the MINIX usenet board. Since then, Linux had thousands of developers, both paid by companies and volunteers. The main system tools and libraries for GNU/Linux ...
1
vote
0answers
5 views
Is DRBD the only viable block replication solution for Linux?
I've found myself needing redundant storage at a block level. File-level replication (Gluster, GFS, etc) does not work for my use case.
It looks like DRBD is the go-to solution for block ...
0
votes
0answers
9 views
Postfix — deliver mail to the same address on two separate servers
We're currently migrating our corporate email server (Postfix/Cyrus, with an OpenLDAP backend) from one box, to another, located offsite. Before I do a full cut-over, I was hoping to migrate one or ...
-2
votes
0answers
23 views
GRsec Kernel vs CloudLinux Kernel for Shared based web hosting [closed]
Is GRsec more secure with all of it's buffer overflow typw protections or does CloudLinux have it's edge with the CageFS?
2
votes
2answers
17 views
How to remap shift-space to underscore in linux (not GNOME or KDE)
I do a lot of shell scripting in linux (running xmonad window manager, so I can use xmodmap or xinput, but not GNOME or KDE control panels), and it would be super useful for a shift-space keystroke to ...
0
votes
0answers
19 views
Gentoo /etc/conf.d/net does not work as i expect
Here is net config for eth2 interface :
config_eth2="10.10.10.254/24"
routes_eth2="
46.4.152.96/27 dev eth0 table rteth2
10.10.11.0/24 dev tun0 table rteth2
10.10.10.0/24 dev eth2 table rteth2
...
2
votes
2answers
22 views
Workarounds for probable TIME_WAIT issue preventing reestablishing broken SSH tunnels?
While not intending to cross-post, after sending this question to the OpenSSH list on SecurityFocus, I noticed that the list is rather low traffic (the previous post was approximately 5 months prior). ...
0
votes
1answer
24 views
NetFlow Storage Calculator
I am planning to deploy a NetFlow server (using NfSen/NfDump) for harvesting data from Cisco devices;
Are there standard calculations or guidelines I can use to calculate my server requirements, ...
-4
votes
2answers
45 views
How to backup File system
I used sudo rm -r /etc/apt and my apt folder in file system got deleted because of which i am not able even to use Internet in terminal also.can any body suggest me how to back up my apt folder in ...
-1
votes
1answer
27 views
iSCSI filesystem creation on Linux - Best Practices - Large Volumes - Many Files?
We recently purchased HP Lefthand 4500 G2 24TB box and also a DL380 G7 server.
I'm running Centos 6.2 (RHEL 6.2).
The Lefthand box consist of 12 2TB HD's configured in RAID6. That gives me about
...
0
votes
1answer
14 views
Restore GRUB after Windows installation (Arch Linux)
After installing Windows 7 Ultimate x64 on a machine running Arch Linux the MBR became rewritten (I do not think GRUB has been uninstalled). Arch is now unbootable except if I use the live-CD to boot, ...
0
votes
1answer
9 views
How to run a custom application through Kisok in Linux
I need to know if there is any OpenSource kiosk software, which i can use to run my custom desktop based application, to run on a POS (Point of Sale).
2
votes
3answers
111 views
I have two severs, how can I find the files that are different?
I have two servers, a production server and a cloned image of the production server. There is some difference in the cloned image that is preventing it from working. I'd like to have a list of the ...
6
votes
8answers
264 views
Is there tool that will monitor or log speed of web server responses
I have GNU/linux Box (linode VPS running Debian) with PHP, Apache, MySQL and Varnish (and app/site that use those) is there a tool that will save or monitor load times of web server responses?
0
votes
1answer
27 views
Dynamic DNS for professional servers
This might sound like a unusual subject but recently I had major issues with changing DNS servers for our web apps and certain nameservers not releasing our domain names quick enough.
So I've been ...
-1
votes
0answers
21 views
mac time code of btime?
I have a file system which I thought was ext2 but there is btime metadata for the files. btime is supposed to mean birth time of the file. I also read that this btime was introduced in ext4. Does this ...
0
votes
1answer
25 views
Nginx config file only working for ''/"
I am setting up nginx as a sort of static file server. For some reason it is only working when I go to 123.123.123.123/ or 123.123.123.123. However, when I go to 123.123.123.123/static/content/ or ...
0
votes
1answer
31 views
pass command with stdout to a bash function
ok.. this is the deal. i have a bash script like the following. the script is only to show you what i mean .. it may look strang... but is exactly what i need.:
#/bin/bash
runcommand () {
...
-1
votes
0answers
18 views
build failed in cruisecontrol
we have SVN CruiseControl(CC) that had been configured in the linux machine.
We have been using this server for a long time up to this date.
but lately the build fails and fixes by itself or sometime ...
-1
votes
0answers
14 views
cron job on parallel plesk 10.4.4
I have set the php file in cron job on the parallel plesk 10.4.4.I'm running the following code in cron job.
<?php
include("../includes/function.php");
$conn->connect();
...
2
votes
0answers
20 views
Nagios (Return code of 141 is out of bounds) on random services
We have had Nagios running on one of our servers with out any problems for a while but lately we get (Return code of 141 is out of bounds).
The load on the server raised because we gone online with ...
-4
votes
2answers
36 views
Copy file from Linux server to windows server through ssh
I have to copy file from one folder on linux server to windows server(2008) through ssh. The servers do not lie on same network. I have gone through many examples that use scp command, but didn't get ...
-1
votes
2answers
49 views
Starting software VIA SSH [closed]
I'm curious as to how you can go about starting software through an SSH tunnel, but keep the software running on the SSH server.
For example, I host a minecraft server for my brother and his friends. ...
0
votes
2answers
39 views
using one of 2 DNSs differentiated by requested domain
I'm using some sort of a dns-proxy service (the details aren't clear but as far as I understand it works by resolving the the domain into a cloud based proxy server and returning it's address whilst ...
2
votes
3answers
46 views
different uuid from blkid and tune2fs
I copied (dd) a partition from /dev/sdb3 (GPT partition) to /dev/vg0/lv0_sys (lvm2 lv)
Sure to be required to adjust the uuid on one of them, I found that blkid shows me two different uuid's for the ...
2
votes
2answers
35 views
How to remove 'final blank space' for folder name and file name?
i've 600gb of data's from Mac Users, saved in a disk formatted in HFS+. A lot of folder and file name contain 'final spaces'. I don't know how users inserted them , but the result is that via Samba, a ...
0
votes
2answers
44 views
What is the best and simplest option to setup a Linux VIP
I just wondered if anyone could suggest some software and maybe provide example of how to setup a VIP between two servers?
Basically the problem is i want to setup two access servers with a VIP so ...
1
vote
1answer
43 views
Linux. Different backup drive each week to same mount point
We have an external drive that our server backs up to nightly. It is mounted to /snapshots. We are planning to swap this disk out each week. The problem is that one drive comes up as /dev/sdc and the ...
1
vote
0answers
16 views
how to extend the DRBD device online on production server?
Hey folks i am trying to extends the size of DRBD device (/dev/drbd0) online on production server but have to bring down and up the device (/dev/drbd0) twice so the change in size is detected.
I ...
-2
votes
0answers
29 views
two applications (ruby and php) on same url [closed]
I have two applications. One is PHP and the other is Ruby.
I have only one domain (www.example.com) and I want both these apps accessible on same domain but with different URLs.
For example suppose ...
0
votes
1answer
19 views
filter body of incoming email in procmail
I've encountered some problem when configuring my linux machine.
We are configuring fetchmail and procmail in order to receive the email from the external mail server.The problem start when we want ...
-2
votes
0answers
44 views
How do I learn about managing a dedicated server? [closed]
Well, I'm going to rent a dedicated server form hosting company soon. However, I used to use a shared hosting with cPanel. Now, if I moved to a dedicated server. Then, how can I manage it? Is it as ...
-4
votes
1answer
36 views
CentOS 5/Linux UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY
Getting an error in a VM Boot that says
Checking filesystems
/dev/VolGroup00/LogVol00 contains a file system with errors, check forced
/dev/VolGroup00/LogVol00:
Inodes that were part of a corrupted ...
-2
votes
0answers
28 views
Nodejs server for production
I want to use nodejs as a standalone production server (e.g not behind nginx), using expressjs, with websockets (nowjs) and mysql for the db. Pages are sent over https. Users will be able to login and ...
0
votes
0answers
13 views
How do I load the dump.rdb file into redis?
I have a dump.rdb file, which is in the same directory as redis.config.
When I start my sever:
redis-server ./redis.config
It does not load the data in that 1 GB file.
How do I load that data?
1
vote
2answers
74 views
How do I delete everything in the /tmp/ folder?
I do "sudo rm *" and it does not remove everything. (I probably have lots of objects in there which I don't need.)
I'm not asking whether it's ok to remove everything in tmp - i'm asking how to do it ...
0
votes
3answers
70 views
find Intel Processor Number for my cpu in linux
How to find out the Intel Processor Number for my CPU model on linux ?
I bought a server from a webhosting company and I don't know which CPU model it has. I only know it is a Pentium D , dual core. ...
1
vote
1answer
34 views
How to install Debian packages from list
How do you install Debian/Ubuntu packages from a file containing a list of package names?
I have a file packages.txt like:
apache2 install
libapache2-mod-wsgi ...
0
votes
2answers
38 views
How can I downgrade OpenSSL to 1.0.0 in Ubuntu?
How can I downgrade OpenSSL to 1.0.0 in Ubuntu?
I have installed Ubuntu 12.04. Sadly, there is a problem with OpenSSL 1.0.1 and I would need to downgrade to version 1.0.0.
How can I do it the ...
1
vote
1answer
26 views
smartcheck Possible Hard Drive Failure Soon
I've never had one of these before. Is this bad?
S.M.A.R.T Errors on /dev/sda
From Command: /usr/sbin/smartctl -q errorsonly -H -l selftest -l error /dev/sda
ATA Error Count: 17 (device log contains ...
1
vote
2answers
32 views
Rsync Specific Direcotries and files with the same structure
I want to rsync specific directories and files with the same structure
for example :-
source/
source/110/var/lib/mysql
source/110/var/lib/mysql
source/110/var/lib/mysql
source/110/home
...
1
vote
0answers
23 views
Linux tc htb + prio = very slow link
I'm trying to shape the traffic going out of my DSL link (verified 1 mbit upload) using Linux (3.2) tc, HTB, and PRIO. My Linux box is connected via a Gigabit Ethernet link to the ADSL modem. I want ...
1
vote
0answers
23 views
3ware 9550SX(U) Not appearing to OSs
I have a 3ware 9550SX(U) that doesn't show up to OSs. This is strange because LSI says Openfiler(Linux) has native drivers in the kernel. Also when Int 13 catches I get a list of the 6 Drives I have ...
-2
votes
0answers
32 views
Which linux distribution is advisable to setup a server? [closed]
There are Many distributions of Linux, I have no idea for Used to mount a web server (load balancers, MySQL, Apache) and so on.
1
vote
3answers
27 views
Script to open multiple gnome-terminals with individual telnet sessions
I'm just curious if this is possible. I'm working with dynagen/qemu rather frequently (CCIE training), and would love to be able to run script 'x' to open 10 windows for me, all telnet'd to ...
-1
votes
1answer
29 views
File system that mounts a set of exchangeable media as single file system and handles media changes transparently
I'd like to build a DVD library (probably later to become a tape library) with a home-built robot that moves media between a store area (i.e. the 'shelves' where the physical DVDs are kept) and the ...
0
votes
2answers
68 views
Broke my /etc/sudoers file on amazon EC2
I edited my Linux Amazon EC2 instance using vim /etc/sudoers and tried adding another account to the list. I realize now that this was a terrible mistake. I can no longer sudo from any account (which ...
2
votes
1answer
33 views
Cacti displaying an odd Total Space value for free disk space on ZFS mount
I'm not sure if this is just a quirk of how ZFS ZPL is presenting the available space, but it seems that SNMP is reporting the free space no more than 2TB higher than the used space.
This is on a ...
2
votes
1answer
32 views
Restored server from backup, now I'm missing a lot of modules
I had to restore a trashed filesystem from backup, now its not loading a lot of modules
lsmod before:
http://pastebin.com/MxEDZmqs
lsmod after:
http://pastebin.com/BthWiVXL
It was a different ...
-3
votes
1answer
38 views
linux wireless access point with http injection [closed]
I'm looking to build a wireless access point (no security, open to the world) based on a basic Linux machine. I am open to which distro to use.
I know there are gateways out there that allow you to ...
0
votes
1answer
18 views
How to avoid syn cookies
I've got a (TCP) server that handles a big number of new connections per second (1000 - 5000). This causes syn cookies to be send:
kernel: possible SYN flooding on port 2710. Sending cookies.
Syn ...
