Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel.

learn more… | top users | synonyms (3)

1
vote
2answers
15 views

Repartitioning already mounted logical volumes

This is my current disk state on a physical CentOS machine: Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_ecomwise-lv_root 50G 47G 267M 100% / tmpfs ...
0
votes
1answer
12 views

RHEL5: htop shows empty command-column

When issue the command htop on my RHEL5 box I get a normal view, however when I scroll down I have serveral "blank" command ranges as can be seen here: http://i.imgur.com/oWApIPQ.png Can someone ...
1
vote
0answers
6 views

Debian system memory leak with slab (size-512)

I have system running Debian 7.4 (3.2.0-4-686). It is bare system not running many processes. The only thing this system does is running two different drivers (DAHDI and divas4linux) for two ISDN ...
-1
votes
1answer
15 views

vsftpd anonymous directory shows nothing

I'm using vsftpd on Red Hat Linux. I want to enable anonymous user login. After all the configurations, I can login without username and password. However I see nothing in the user's home directory. ...
0
votes
0answers
5 views

getting libstdc++ error while conerting rpm to deb

I am trying to convert rmp package to deb using alien but i get this error on ubuntu 12 64'; RPATH: '/u01/app/oracle/product/11.2.0/xe/ctx/lib:.'). dpkg-shlibdeps: error: couldn't find library ...
-3
votes
0answers
11 views

How do I build gcc's libstdc++.a with -fPIC? [on hold]

I'm trying to build a shared library statically linked with a particular version of libstdc++, and it looks like my libstdc++.a for that version wasn't built with -fPIC. I couldn't find anything in ...
-1
votes
0answers
13 views

Adding users to Postfix and Dovecot from Web front-end

I have a basic email server running Postfix and Dovecot with webmail and all that jazz. Right now, I'm using a shell script I wrote to add new virtual users and mailboxes to postfix, and set ...
-2
votes
1answer
45 views

Resume a tar command that was stopped

I am trying to tar a huge directory (with about 600GB) and sometimes my SSH conection drops and I need to execute the tar code again and my linux overwites the previous file beginning all the tar ...
-2
votes
0answers
27 views

Compress file linux, easily [duplicate]

I want to compress the contents of: /ebs1/xxx/aaa/bbb/ So, all the files and folders inside "bbb" I want to be compressed to a file named "xxx.tar.gz" I am using: tar -zcvf "xxx.tar.gz" ...
-2
votes
0answers
25 views

Unrar local files to remote server [migrated]

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
9 views

Git post-commit /post-receive hook not working

I have a Git repo one one server. i want that whenever an admin pushes changes to git repo, those changes may automatically be deployed to a folder on the same server, where git repo is hosted. As my ...
3
votes
1answer
29 views

Can we set ulimit in /etc/sysconfig/init file to apply the value at boot time

I need to have the ulimit value set at the boot time to all my services. I have values set in /etc/sysconfig/limits.conf but these values are not applicable during the boot time and it takes 1024 as ...
0
votes
1answer
9 views

Linux CentOS dedicated server, process is dissapearing from WHM process manager

I have a script running on my dedicated server /usr/bin/php/home/user/public_html/myscript.php. When I log in to WHM/Process Manager, sometimes this script disappears from the list. Also, when I log ...
1
vote
3answers
47 views

linux: find files from a list in txt, the files contain spaces

I need to find files from a list in txt (i already have the txt with all the files, are separated with lines), the files contain spaces and the extension of the files are pdf, if you can suggest how ...
-1
votes
0answers
10 views

Selective vpn routing on Ubuntu server

I need help. I have a workstation with Ubuntu server. I reach the workstation trough ssh I would like this work station could reach a predefined number of server trough a vpn routing. Before buying ...
0
votes
1answer
17 views

Is it possible to create ssh socks server with authentication required?

I was looking at this question while I was trying to find a good socks server for linux that would be easy to configure. The following command works fine: ssh -f -N -D 0.0.0.0:1080 localhost I ...
1
vote
0answers
22 views

Linux Script to login to Raspberry pi and run some scripts inside raspberry pi [on hold]

This is my scenario, We have some sensors on different sites, these sensors are connected with some equipment having SIM cards in it to allow the internet connection. On the other hand, we have a ...
0
votes
0answers
7 views

Installing dom4j on Centos

i'm trying to install dom4j package on centos 6.5, after adding the jpackage repository yum install dom4j The following dependency issue appear. Error: Package: dom4j-1.6.1-13.jpp6.noarch ...
0
votes
0answers
8 views

Remote jmeter-server error while getting the results back after some time

I have a question, I'm using jmeter from my pc that drives a jmeter-server that is installed on a RHEL5.8 my version of java is : [jmeter@sem-osb logs]$ cat /etc/redhat-release Red Hat Enterprise ...
-2
votes
0answers
16 views

Why Fedora mounts automatically my Nexus 5 and Arch doesn't? [on hold]

This is simple, how can I configure ArchLinux (or other distro besides RHEL based) to mount automatically my Nexus 5? I've already checked these links and the steps worked, but neither of them ...
1
vote
0answers
9 views

Possible to see dead proccesses? [migrated]

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 ...
-3
votes
2answers
24 views

unknown/deleted process running under apache

Here is out of ps aux| grep atd on my server. apache 1299 0.0 0.0 5328 2768 ? S 08:21 0:00 /usr/sbin/atd root 15407 0.0 0.0 4020 708 pts/3 S+ 11:02 0:00 grep atd ...
0
votes
2answers
31 views

General webserver log and custom logs where to gather them

I am not trying to create an opinionated question here though it might sound like it. My problem is as follows. I have the normal apache2 access and error log on a bunch of servers. I also have ...
0
votes
0answers
16 views

RHEL 5 createrepo hangs

I've got a RHEL 5 server that I want to create a mirror repo on. I've specified a new file system mounted at /repos. I have run reposync -p /repos --repoid=rhel-x86_64-server-5 -l which completed OK. ...
1
vote
1answer
15 views

“show_signal_msg: N callbacks suppressed” then pegged at 100% and machine unresponsive

This happened on an Ubuntu 14.04 64-bit DigitalOcean Droplet: Apr 22 02:17:02 localhost CRON[32514]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Apr 22 03:16:59 localhost ...
-1
votes
1answer
50 views

Permission umask 000 [on hold]

I have a folder with lots of directories and I want all directories to have 777 permission. So I typed: cd /ebs1/vol/ umask 000 The problem is that when I connect using SFTP to the folder ...
6
votes
2answers
65 views

How can I mirror a yum repository but download only the newest versions of each package?

I would like to mirror the following Yum/RPM repositories at http://yum.puppetlabs.com/ : http://yum.puppetlabs.com/el/6/products/ http://yum.puppetlabs.com/el/6/dependencies/ ...
0
votes
1answer
24 views

Forcefully Unmounting Filesystem

Okay, here's the deal: I used FUSE to mount a webdav endpoint as a filesystem. At some point it broke. Now, for the life of me, I cannot unmount it. Any time I try and interact with it in any way, ...
0
votes
0answers
8 views

I get “dpkg-query: no path found matching pattern”error How to solve this? [on hold]

I get "dpkg-query: no path found matching pattern" error How to solve this? I did the following things Update the package index: - sudo apt-get update Install libdigest-md5-file-perl deb ...
-1
votes
0answers
32 views

how to change the prompt of passwd [on hold]

When we using passwd cmd on Linux, usually we will get below prompt: (current) UNIX password: Enter new UNIX password: Retype new UNIX password: Is there any way that I could change them? What I ...
-2
votes
0answers
20 views

Using 4 interfaces to have 4 different VPN destinations [on hold]

I have a simple WRT54G router at home running DD-WRT but the question is generalizable to linux network configuration I have VPN service and I would like to set it up such that each lan interface on ...
0
votes
0answers
4 views

Virtualbox image from Vbox 4.3.8 freezes on Vbox 4.2.1 host [migrated]

So, I spun up a Debian guest VM on my Arch host machine using Virtualbox 4.3.8. After running all necessary tests and stabilizing the server environment on the VM, I moved the entire VM to my Debian ...
-2
votes
0answers
8 views

Debian default php extension_dir [on hold]

in php.ini file after locate extension_dir and uncomment that. phpmyadmin do not working and i want to use SourceGuard loaders. default : ;extension_dir = "./" ; On windows: ; extension_dir = "ext" ...
2
votes
1answer
31 views

Installing multiple mongoDB versions on the same server

I have installed a 2.4 mongoDB version and I'd like to compare against the recently released 2.6 version. I want to know if possible to do a clean new install rather en an update to see if those two ...
0
votes
0answers
10 views

Why could ntfs mount hung up?

I've got a centos with mounted ntfs folder. From time to time a backup script performs certain backup routine on that ntfs folder. However, periodically it hangs up: either it takes years to receive ...
0
votes
1answer
34 views

iptables configuration failed

My iptables just suddenly became unable to be edited. It still runs fine but I am unable to do anything to the configuration such as opening or closing ports. I keep getting this error: ...
10
votes
2answers
409 views

How do I check if my SSL certificates have been revoked

The recent discovery of the heartbleed vulnerability has prompted certificate authorities to re-issue certificates. I have two certificates that were generated before the heartbleed vulnerability ...
1
vote
1answer
42 views

Correct Permissions VPS /var/www

This is a repost of an "off-topic" question on stackoverflow. My scenario is: I created a user and added that user to sudoers: visudo user ALL=(ALL) ALL Then sudo adduser user www-data and ...
1
vote
0answers
18 views

Linux (Debian 7 x64) swapping activity despite lots of free memory

Yes, I have reduced vm.swappiness a lot: % sysctl -a | grep swap vm.swappiness = 1 Memory is mostly free: % cat /proc/meminfo | head MemTotal: 8070592 kB MemFree: 2619580 kB ...
1
vote
1answer
21 views

tcpdump filter sequence number

I have captured a packet trace and would like to write a script that will allow me to isolate a matching pair of acknowledgement and Sequence packets(no other way to filter out all the other packets) ...
1
vote
1answer
58 views

ping works but ssh fails

machine1 IP: 172.30.11.119 machine2 IP: 172.30.11.120 machine3 IP: 172.30.11.121 machine4 IP: 172.30.11.122 Note: These machines are connected to LAN. I have configured the static ...
0
votes
0answers
16 views

hyper-v linux guest udp packet loss

Using a Hyper-V 2012 R2 host, I have (as a test) four CentOS 5 VMs running a UDP streaming application (a high rate of UDP unicast packet streams sent from the VMs to several 1000 "remote listeners"; ...
-2
votes
2answers
26 views

Monitor Server Logins / SSH Access? [on hold]

I seem to have some suspicious activity happening on my server from time to time. Aside from changing passwords regularly, I would like to be emailed ( or logged ) each time a user accesses my ...
0
votes
1answer
25 views

lsof getting ran by root, but not by a user and using high CPU usage

My server is using high CPU usage from lsof, and it appears to be ran randomly and by the root user. I'm finding this out via Newrelic information Is it at all possible to find what is running this ...
-1
votes
0answers
34 views

Clearing private data from CentOS appliance

I am trying to make a VMware appliance for my opensource project but want to make sure I properly clear out all data. So far I have done the following - Cleared all logs files. Cleared bash history ...
0
votes
0answers
18 views

How can I turn off OpenSSH's version response? [duplicate]

If I do a GET request to an ssh server, it responds with the exact version. curl http://ssh.somewhere.com:22 SSH-2.0-OpenSSH_6.0p1 Debian-4+deb7u1 curl: (56) Recv failure: Connection reset by peer ...
0
votes
0answers
47 views

webmail access when website hosted elsewhere [on hold]

I have a reseller account (VPS) with GoDaddy, and I do have root access. My issue is that I use this primarily for email, since the websites are hosted elsewhere by industry "experts". I have ...
0
votes
2answers
22 views

rsync error Undefined symbol “locale_charset”

Rsync gives me this strange error when I am trying to sync. I think the error started after upgrading to Ubuntu 14.04. root@****:~# rsync -avvv --exclude-from '/root/rsync/exclude_nas' -e "ssh -i ...
0
votes
1answer
35 views

httpd: multiple IP addresses, go to the same location

I've been looking into this for about 30 minutes now and don't really know of any easy way around this. What I'm wanting to do is allow Apache to listen on all interfaces (this should already be ...
1
vote
1answer
23 views

How to compile sources into rpmbuild BUILDROOT?

All the information I can find about building RPMs seems to pre-date CentOS 6, and as a complete package-building novice running CentOS 6.5, I'm rather stuck. All the tutorials I've read mention one ...