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

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How to scp file to remote servers' root directory and run sudo commands?

NOTE: The servers does not share the same password but I will setup no-password login at first. Here's the use case, I need to do these below step by step in my deploy.sh: scp files to remote ...
1
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0answers
11 views

Copy files from find command

I am trying to copy all file.log files found using "find". The problem is all files are named the same and it is only copying over one file. I need to find a way to rename the files in the command or ...
0
votes
1answer
24 views

Screenshot of screen (linux)

Is there a way to take a "screenshot" of linux screen command. In other words can "screen -r" command to be called with the same behaviour as "top -b -n 1" - print contents once and exit. Background ...
5
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2answers
86 views

Linux device-mapper maps LVM PV nested inside LV when taking snapshot

Which is really messing with my plan to back up this machine... I have a server which is a KVM hypervisor to several virtual machines. One of these is running Docker. It has its Docker volumes on ...
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0answers
9 views

Linux - Vmware Player On Windows 8.1 [on hold]

Can be in Vmware Player on windows 8.1 used only Linux/ubuntu files or entire software, regardless of size, also? I only see command prompt lines and no userinterface spaces so I wonder how would I ...
0
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0answers
7 views

Identify where and how background process are started and where they comes from

First the short story: I need to migrate a server (applications, configurations and so on) and I have no clue about what is in there, no docs, people at charge just abandon and didn't leave any ...
0
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3answers
703 views

Could you suggest me a good Linux Distro for running tomcat in text mode?

I'm trying to build a reliable and stable server for running jsp application in an Intranet, and I would like to mantain the maximum available resources for the server. I'm considering to use a Linux ...
3
votes
2answers
4k views

error while installing the libmemcached

I get this while installing libmemcached root@server [/libmemcached]# make make all-am make[1]: Entering directory `/libmemcached' if /bin/sh ./libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H ...
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2answers
15k views

How long should resize2fs take on a 1TB partition?

I've got a new computer at the university and almost set up everything for myself on it when I've noticed that the previous user of the machine used a huge 1TB ext3 partition only. I usually keep ...
0
votes
3answers
20 views

What is the most effective way to block IP address in Application Layer?

I understand that most Routers/Firewalls are able to block IP tables in the network level. IPtables for instance is quite effective. However, I want an application layer IP block.I have an HAproxy ...
1
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2answers
979 views

How to copy directories using debugfs?

The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I ...
2
votes
1answer
119 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: Module Size Used by ses 6715 0 enclosure ...
1
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0answers
8 views

Linux (Ubuntu 12.04). Setup OpenSSL and osslsigncode

I'm a beginner in using Linux. I have already installed OpenSSL 1.0.1 and after installing osslsigncode I have: osslsigncode -v >osslsigncode 1.5.1, using: OpenSSL 1.0.1 14 Mar 2012 ...
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0answers
10 views

Is it necessary to install FTP on Azure Unbuntu VM to write files

I just created an azure vm with Unbuntu and noticed that I am able to FTP into it without having installed an FTP app like vsFTP. It just works, as far as FTP viewing goes. I can read files from my ...
0
votes
1answer
8 views

How can I change the directory in wich pam_mkhomedir creates the user's home directories?

I am using pam_mkhomedir to automatically create user's home directories when they first log in. However, the home directories are created inside the /home directory, while i need them to be created ...
4
votes
5answers
3k views

CPU?: Not responding

I'm attempting to build a system for co-location. I've been running into issues while trying to install CentOS 6.3 System Specs: Motherboard: ASUS m5a99x Process: AMD FX-8120 (8-core Bulldozer) ...
4
votes
1answer
62 views

How to get transaction history for yum?

I would like to know how to get the transaction history of yum (i.e. get the installations, deletions, etc.), hopefully ordered from most to least recent. Is there a way to accomplish this?
0
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1answer
13 views

ubuntu 12.04 sssd sudo not working

This is for Ubuntu 12.04.5 LTS I am trying to implement SSSD as a client and everything works all right BUT SUDO I cannot see anything happening in the sssd_sudo.log file at all but the usual file ...
0
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1answer
34 views

How can i fix corrupted file system in linux

I shifted my docker container to new server and i think in the process my file system got corrupted. This is the output i get root@2389374b235b:/var/local/atlassian/confluence/plugins-osgi-cache# df ...
2
votes
1answer
3k views

Too many FTP connection causing Error 421

I'm using oXygen XML editor, and after a certain period of time I get "Error: 421 There are too many connections from your internet address." I can see that oXygen is creating a bunch of ftp ...
2
votes
2answers
10k views

Forwarding RDP via a Linux machine using iptables: Not working

I have a Linux machine and a Windows machine behind a router that implements NAT (the diagram might be overkill, but was fun to make): I am forwarding RDP port (3389) on the router to the Linux ...
5
votes
2answers
2k views

Removing stubborn modules

I'm trying to programatically stomp on bluetooth on RHEL5. I've got the service stopped -- no problem. Also no problem on rpm -e for the associated bluetooth packages, bluez-*. ps -aef | grep -v ...
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0answers
5 views

Squid 3.1 Monitor HTTPS logs [migrated]

I have configured squid3 on Raspbian Wheezy OS, here is the configuration file (squid.conf): acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 acl ...
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0answers
13 views

Route new outbound traffic

I am looking for some iptables rules which can help me to route some traffic from a server : Client 1 ----| Client 2 ----| |----------| Client N ----| ssh, ...
1
vote
1answer
2k views

Tomcat fails to start, no logs or error provided

I have a Centos5 box running tomcat5 (a version before 5.5, there's no bin/version.sh script). When attempting to start tomcat, whether through init.d or service, I get the FAILED message with no ...
108
votes
2answers
44k views

What exactly do the colors in htop status bars mean?

By default, htop shows colored status bars for processors, memory, and swap. From left to right, the bars are colored green, blue, yellow, and red depending on some thresholds. What does it mean when ...
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4answers
4k views

How do I use the locate command within a specified directory?

I am using the locate command on Linux. My current usage of it searches through the entire filesystem. I only want it to search within a specific directory. How can I do this?
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0answers
9 views

Connect to encrypted Windows 2012 samba share on Linux

I have a Windows 2012 samba share set up. When I right click on the share, go to properties, then settings, I have the box checked marked "Encrypt data access" When this box is checked, I cannot ...
6
votes
3answers
6k views

How can I rename an unix user?

I have a user named hedgehog and I want him to be named squirrel, but I don't want to change his numeric user ID. How can I accomplish this?
2
votes
1answer
30 views

BIND DNS A Record File

I've been adding about 10 DNS A records a week for the past 2 weeks. After updating a record using nsupdate it occurred to me that maybe I should find a way to separate the DNS A records from the ...
1
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0answers
15 views

detecting whether GPUs are accessible before running nvidia-smi during boot to create dev files

In the past, I've successfully configured Ubuntu systems containing NVIDIA GPUs to launch nvidia-smi in the background from within /etc/rc.local during the system boot to create the requisite ...
6
votes
1answer
11k views

KVM guest io is much slower than host io: is that normal?

I have a Qemu-KVM host system setup on CentOS 6.3. Four 1TB SATA HDDs working in Software RAID10. Guest CentOS 6.3 is installed on separate LVM. People say that they see guest performance almost equal ...
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0answers
10 views

Automatic/predictable block device mounting using systemd

I'm netbooting a bunch of servers with CoreOS. The servers have lots of drives attached that will be used for a purpose that is not for the OS. For simplicity and repeatability I'd like to be able to ...
0
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1answer
31 views

PXE or other : deploy images on single board computers (SBC)

We have a few SBCs of various modeles (but a lot of freescale). When received, these SBCs are bare (no BIOS/U-boot). We generate linux embedded images with Yocto (using U-boot as bootloader), and we ...
0
votes
1answer
845 views

Increasing nproc for processes launched by systemd on CentOS 7

I have successfully increased the nofile and nproc value for the local users, but I couldn't find a proper solution for the processes launched by systemd. Adding max_open_files to the MariaDB ...
1
vote
1answer
17 views

Installing Samplicator on CentOS

I'm trying to install Samplicator to test Netflow central collector and then forwarding to other collectors from there. I mainly want to use Samplicator due to it being able to easily sample the ...
2
votes
4answers
6k views

How to search for text in a PuTTY console window

Is there a easy way for me to: search for a string in the output window of the putty ? or even a Linux command to search and highlight a string in the output ? I have 20,000+ lines in the output ...
1
vote
1answer
32 views

Amazon EC2: OpenVPN server won't route bridged packets from client to VPC subnet

I have a bridged OpenVPN setup on a Linux server in an Amazon EC2 VPC. (Spent hours on docs, reading similar problems, here, openVPN forums, no luck yet.) The bridged interface is up and contains ...
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2answers
6k views

Linux: Why change inode size?

Tune2fs allows to change inode size from default (128 bytes on ext3, 256 bytes on ext4) to almost anything, but it should be power of two. What are the reasons for changing default inode size? Here ...
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0answers
28 views

Are the UID of users from a domain maintained locally in a machine?

This could be total nonsense but as I am new and am trying to learn. I came across this question. I have seen many of my office linux machines connected to some domain. I am wondering as if a ...
1
vote
1answer
29 views

Can cacti display some TEXT output from mib at my graph?

My switch can check if there is an SFP connector present in its ports and their respective link status. I want to display this information in Cacti graphs for each interface of my switch. The switch ...
0
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3answers
2k views

Debian install netbeans - “No protocol specified”

When trying to run the netbeans shell installer, it gives me an error. ./netbeans-7.0.1-m1-php-linux.sh Configuring the installer... Searching for JVM on the system... Extracting installation data... ...
0
votes
0answers
6 views

php generated css no output, net::ERR_INCOMPLETE_CHUNKED_ENCODING

I am running apache on an ubuntu installation. Several webapps are running on the same server. I installed a new app, which required the pdo-sqlite extension to be installed. Now my server is ...
0
votes
1answer
15 views

Why can I boot and install windows from a MS MDT server, using ISC for the dhcp server, but only under lageacy bios, not UEFI?

Setup is: Windows 2012 R2 with MDT 2013 Ubuntu Server 14.04.2 running ISC dhcp Client can be VM/Hardware doesn't matter. If I stay in legacy bios mode things work splendidly. When I switch to UEFI, ...
0
votes
1answer
16 views

Linux VNC doesnt accepting my password

I set up a tight VNC server. I used this tutorial: https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-vnc-on-ubuntu-14-04 The VPS is hosted on Digitalocean. The VNC server ...
43
votes
3answers
4k views

Is it possible to reboot a Linux OS without rebooting the hardware?

Is there a way to reboot a Linux system (Debian in particular) without rebooting the hardware? I have a RAID controller that takes a bit to get itself running before the OS starts up, and I would ...
5
votes
2answers
359 views

explain server load

I have got a managed server with a AMD Phenom QuadCore 3000 + 8 GB RAM I heard that s.th between 1-2 server load is 100% workload. My current results there are: 1.27 | 0.8 | 0.78 and in the ...
1
vote
1answer
39 views

Nginx doesn't start using systemctl

I have defined a custom error_log for a virtual server inside it's directory like so: server { listen 80; server_name www.example.com; root /home/www.example.com; ...
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votes
1answer
35 views

How to install git-daemon on red hat enterprise 6 [on hold]

I need to install git-daemon on Red Hat enterprise Linux 6.2, with http support. What are the correct package to install? It is necessary to create a specific user or group? I'm looking for a simple ...
10
votes
7answers
30k views

How do I get rid of sockets in FIN_WAIT1 state?

I have a port that is blocked by a process I needed to kill. (a little telnet daemon that crashed). The process was killed successfully but the port is still in a 'FIN_WAIT1' state. It doesn't come ...