Linux Distributions

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A Linux distribution is an operating system made as a software collection based on the Linux kernel and, often, on a package management system and are available for a variety of systems. A typical Linux distribution comprises a Linux kernel, GNU tools and libraries, additional software, documentation, a window system (the most common being the X Window System), a window manager, and a desktop environment. Most Linux systems are open-source software made available both as compiled binaries and in source code form, allowing modifications to the original software. Over three hundred distributions are in active development, including commercially backed distributions (such as Fedora, openSUSE and Ubuntu) and community-driven distributions (such as Debian, Slackware, Gentoo and Arch Linux).

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Hello

I have tried a number of times to reduce the size of my EBS volume. I keep running into problems.

I am using Centos 7.3.1611 and Plesk (set up through Amazon marketplace)

I have managed to copy all the files over from the old server to the new using the instructions here (https://superuser.com/questions/1123799/how-to-decrease-size-the-ebs-root-volume-of-the-rhel-instance-in-aws) - as well as similar other guides.

The only difference is because I am using xfs instead of ext4 I was unable to do the e2label

When I attach the new volume to the instance as /dev/sda1 it does not load. I cannot connect to it using SSH and websites do not load.

I am at a loss now. I have tried so many times. I made a mistake making my initial EBS volume size way too big and it is costing me quite a bit of money every day.

I am unsure if the problem is because I am formatting my drive is XFS. This was the format of the original drive when I first set up the instance. I have not been able to find a guide that details how to shrink an EBS volume that is formatted in XFS, they are all for ext4.


If any one could provide some assistance that would be much appreciated.
0
On Demand Webinar: Networking for the Cloud Era
LVL 9
On Demand Webinar: Networking for the Cloud Era

Did you know SD-WANs can improve network connectivity? Check out this webinar to learn how an SD-WAN simplified, one-click tool can help you migrate and manage data in the cloud.

thanks !
0
how can I get a docker container to contiully restart all the time . I am using this for a demo and what a simple container that all it will do is keep restarting

I guess pass a command to it for "sudo reboot" or something like that ?

thanks !
0
how can I see all packages that are installed in a Ubuntu instance?

thanks
0
hi,

How to expand putty to full screen?

also i hae 20 server instances configured  named connection1, connection2 etc till connection20


when i connect it should say connection1 at the top than meaningless ip address etc at the top  of putty window. can i configure somewhere to do that?

also how to change text and background colors. please advise
0
I installed rhel 7 and installed yum server and rhel7 repository and everything works great
My question is: what is the way to add a repository of rhel6 and stoop to it in front of a red hat?

Is it possible ?
0
what is difference between below commands


$ cd xyz

it says no such file or directory

even
$ cd /xyz
says no such file or directory

where as when i say

$ cd /xyz/
it goes to xyz directory though

what is use or importance of /  and / at the beginning and end?

please advise
0
Hello All ,

I am trying to install SRIOV drivers over SUSE 12U1 but it gives me below error while configuring it :

#/root/ixgbevf-3.3.2/src:~#make

common.mk:102: *** Kernel header files not in any of the expected locations.
common.mk:103: *** Install the appropriate kernel development package, e.g.
common.mk:104: *** kernel-devel, for building kernel modules and try again.  Stop.

driver name is : ixgbevf-3.3.2

 lspci
00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
00:02.0 VGA compatible controller: Cirrus Logic GD 5446
00:03.0 Unassigned class [ff80]: XenSource, Inc. Xen Platform Device (rev 01)
00:04.0 USB controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 10)
00:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8100/8101L/8139 PCI Fast Ethernet Adapter (rev ff)

Kernel : kernel-default-3.12.67-60.64.18.1.x86_64

OS: SLES 12U1

PLea
0
I have a CentOS 7 (7.3.1611 ) server running Gnome (3.14.2) and using xRDP (0.9.2-12.el7.x86_64) and authenticating via radius to DUO. I RDP (10.2) from Windows 10. This all work fine.

My problem is when the session locks or time out I can’t log back in unless I have a local password set which I don’t want to do. I want the auth to continuously go through radius/Duo.

My questions are:
1.      How or where do I point re-login to radius?
2.      Or when session times out to kill session so they have to re-auth through radius?
3.      How do I extend the session time out?

Thanks.
0
While starting samba it failing with following error
$ service smb start
smb: unrecognized service

Installed samba packages are
============================
$ rpm -qa |grep samba
samba4-libs-4.0.0-55.el6.rc4.x86_64
samba-common-3.6.9-151.el6.x86_64
samba-winbind-clients-3.6.9-151.el6.x86_64
samba-client-3.6.9-151.el6.x86_64
samba-winbind-3.6.9-151.el6.x86_64



My RHEL version: 2.6.32-358.el6.x86_64

I have added one entry for my share path
=================================
$ cat /etc/samba/smb.conf
# A publicly accessible directory, but read only, except for people in
# the "staff" group
        [Share]
        comment = Public Stuff
        path = /root/Share
        public = yes
        writable = yes
        printable = no
;       write list = +staff
0
[eBook] Windows Nano Server
LVL 1
 [eBook] Windows Nano Server

Download this FREE eBook and learn all you need to get started with Windows Nano Server, including deployment options, remote management
and troubleshooting tips and tricks

Hi experts

Require script to capture all root logins, through su - or direct login with root.


OS - CentOS 7
0
Hi

Booted up and ended up somehow with a magnify square

How to close this annoying thing

Thanks
0
Hi,

In putty vi editor vi unix how to see later pages and change colors for bettwer view.

i open big property file not able to see what is at bottom.

how to search in vi editor for some text sat xyz.

setting i went i changed colors , font etc not reflecting.

what is best setting to give for better view

when i opened
abc.properties in vi
it says 536L, 28390C
what is L what is C
how to know how many lines there how many it is showing etc
can i use winscp free version for production servers viewing property files?
please advise
0
Hi,

I am fed up with putty with basic options.

Any better tools or IDEs to check logs or to grep unix/linux boxes.

Where  i can download secure ftp and how much is fees?
any advanced putty IDE there
any good free IDE accepted by industry.

please advise
0
Dear Experts,

How to copy or transfer a file from one Linux server to multiple Linux server in same network from a single cmd or script ? It should be a single line cmd for copy my file to multipal servers, don't want to use separate line for every server.

for example:
scp report_zonal 192.168.7.111 192.168.7.112 192.168.7.113 192.168.7.114:/home/Zonal/Desktop

i dont know it is possible or any other way to make it possible, please suggest

Currently i am using this method, it is working also, but i don't want to use this process.

[root@200 ftp]# cat FileTransfer.sh
#!/bin/bash
# transfer file to server
cd /root/
#DC Zonal
scp report_zonal 192.168.7.111:/home/Zonal/Desktop
scp report_zonal 192.168.7.112:/home/Zonal/Desktop
scp report_zonal 192.168.7.113:/home/Zonal/Desktop
scp report_zonal 192.168.7.114:/home/Zonal/Desktop
0
Hi Experts

I am trying install CentOS 6.8 minimal thru kick start on an Virtual Machine(VMware workstation) and assigning kickstart file thru http on another VM, kickstarts goes thru smoothly creates partitions and all but stuck on repo section unable to find repo following types of error, errors attached

Stuck with this error from few days, Please help

In /var/www/html location has ks.cfg file and all centos 6.8 minimal dvd content as it is

[root@srv1 html]# ls
CentOS_BuildTag  isolinux                  RPM-GPG-KEY-CentOS-6
EFI              ks.cfg                    RPM-GPG-KEY-CentOS-Debug-6
EULA             Packages                  RPM-GPG-KEY-CentOS-Security-6
GPL              RELEASE-NOTES-en-US.html  RPM-GPG-KEY-CentOS-Testing-6
images           repodata                  TRANS.TBL

Open in new window


Section of kickstart file i am assign is shown below
# Kickstart file automatically generated by anaconda.

#version=DEVEL
install
url --url=http://10.0.0.11/
text
lang en_US.UTF-8
keyboard us
network --onboot yes --device eth0 --mtu=1496 --bootproto static --ip 10.91.48.17 --netmask 255.255.255.224 --gateway 10.91.48.1 --noipv6 --nameserver 8.8.8.8 --hostname nac17
network --onboot no --device eth1 --bootproto dhcp --noipv6 --hostname nac17
rootpw  --iscrypted 
# Reboot after installation
reboot --eject
firewall --disabled
authconfig --enableshadow --passalgo=sha512
selinux --enforcing
timezone --utc Asia/Kolkata
#bootloader 

Open in new window

0
Hello!
I've got about 65GB of an unallocated space in Ubuntu Desktop 14.04 and I have no idea how to use it. When I try to make a new partition, it says that there could be only 4 primary ones.my partition scheme
0
As we are now using RHEL 7.x (not the more than decade ago Red Hat Linux 7)
& Solaris 10, are the following still applicable to us:

Exploit             OS                                       Vulnerability

CATFLAP               Solaris 7/8/9                           Remote code execution

COTTONAXE   LiteSpeed Web Server    Remote code execution

dtspcdx_sparc SunOS 5.0-5.8 DTSPCD  Remote code execution

EARLYSHOVEL RedHat 7.0-7.1                Unspecified
                         & Sendmail 8.11.x

EMBERSNOUT  Red Hat 9.0                   Unspecified ==> I suppose this is the decade ago RH Linux 9, right?

sneer                Sun SNMP daemon        Remote code execution
                           mibissa      

statdx                Redhat Linux                  Remote root access  ==>  is this the decade ago Linux?
1
how can I pipe standard error and standard error right to the screen

like if I do a sudo service start < some service>

and it fails is there a way to get verbose information  on why ?


thanks

I am new to this
0
What does it mean to be "Always On"?
LVL 4
What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

I am looking for a command that will tell me in the whole host if I have the rights to the entire file system , if any files have changed in the last one minute or 5 minutes

I thank you very very much in advance and will reward pts right away !!!!
0
Hi,  I'm seeking guidance from team and sort out things out.  I currently hold a Security+ cert that's due to expire in 11/17 and at the same time moving to a new position that requires Linux support on the (desktop) client side.  So my question is, instead of renewing my Security+, study for Linux cert and use it as a CE for my Security+.  I'm required to maintain my security+ cert due to the nature of m y job but I'm interested in adding another cert to my resume.  
What do you guys think and the best place to start and plus study material?
I ordered "Red Hut Enterprise Linux 4 for DUMMIES" BOOK from eBay and it has CD as well.  I've a spare laptop and a desktop and enough resources to install Linux but I need guidance. BTW, I've been a Windows professional for many years and would like to mix things up a bit.
Your thoughts ??
0
Greetings,

I have a 700gb postgres database which has a standby readonly replica and I wish to migrate and upgrade to a new server with the latest postgres version so what would be the ideal migration path for this situation? it's in a Linux environment.
0
Could I for example have this setup on a MacBook Pro with a 2 TB SSD drive?:

Mac OS X, Windows 10, the Chromebook OS, two Linux distributions, and Unix.

And then I can switch between each of these with the press of a button? Or, as I received an answer earlier regarding this, I instead need to log out and log into each of the OSs (there was some advantage with this)?

When it comes to making an image of the OSs for quick recovery when needed, should I have only 1 single backup image of the whole VM (including all OSs), or should I have separate backup images for each of the different OSs? I think the second alternative would be best, because it's always not optimal to use a backup image (the performance is not the same, somewhat less performance).

When it comes to being visible on the internet, would I be a more easy target using a MacBook Pro and the VM with different OSs?

What about wifi connection and noise from the fan for a MacBook Pro? Is the wifi working excellent to connect to any network, and is there no risk for a lot of noise from the fan when running software in different OSs or when accessing certain websites?
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I cannot seem to find a good explanation of this.

thank you !
0
I use ubuntu and i have a scanner.  is this enough to make a digital signature?  i only know someone called me on the phone and wanted a signature but they knew nothing about ubuntu and ///////i know nothing about digital signatures.
0

Linux Distributions

26K

Solutions

20K

Contributors

A Linux distribution is an operating system made as a software collection based on the Linux kernel and, often, on a package management system and are available for a variety of systems. A typical Linux distribution comprises a Linux kernel, GNU tools and libraries, additional software, documentation, a window system (the most common being the X Window System), a window manager, and a desktop environment. Most Linux systems are open-source software made available both as compiled binaries and in source code form, allowing modifications to the original software. Over three hundred distributions are in active development, including commercially backed distributions (such as Fedora, openSUSE and Ubuntu) and community-driven distributions (such as Debian, Slackware, Gentoo and Arch Linux).