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Kernel programming for Linux operating systems can be done with many different languages; C, C++, Python, Perl and Java, which are some of the most common languages used.There are also many different varieties of Linux, such as Ubuntu, Fedora and OpenSUSE.

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Hi UNIX/Linux experts,

Sometimes I copy and paste code into a text file which I have opened with vim (vi improved).  By default, if any line I paste starts with a comment character ("#"), vim will …

78 views
Course: From Zero to Hero with Nodejs & MongoDB

Interested in Node.js, but don't know where to start or how to learn it properly? Confused about how the MEAN stack pieces of MongoDB, Expressjs, Angularjs, and Nodejs fit together? Or how it's even possible to run JavaScript outside of the browser?

"uptime" high (200+) on RHEL6 but CPU usage is low... any ideas why?

430 views

I have currently 20-25 tabs opened in chrome trying to figure this but, but it is probably because I am newish to bash and have only used it a little bit for some specific things. I am trying to make …

1039 views

Dear experts,

How do you keep a few machines from getting an update in a Puppet environment.

New to Puppet thank you!

225 views

On busybox, I often use bash -x to debug scripts, watching them as they run but a problem is the information flies by very quickly, easily missed.

I need to run bash -x while watching for certain c…

1948 views

Hello Experts,

I would like to run the following script from a directory other than root:

./wrapper-linux -m ./i86bi-linux-l3-adventerprisek9-15.4.1T.bin -p 2001 -- 1 > /dev/null 2>&1 & sleep 5…

541 views

Hi,

I am trying to figure out cronjobs setup on a linux server.  When i do crontab -u -l , some output displays.  Some jobs have a # in front of them but 1 last job has 0 22 ** 1-5/directory/ cache…

1251 views

As is too often the case, no replies in the openwrt forums so here goes.
Reading this; https://wiki.openwrt.org/doc/howto/vnstat

However, it is still not clear to me how I could create the db the …

955 views

Hey everyone –

One of our clients has an IT guy who is creating a new Linux server as a Guest VM on a Hyper-V host (2012R2).

He’d like to allow a few ports in (22, 4095, 4098) but is having iss…

244 views

I was trying to shut down a Red Hat five server and it still had not shut down by the next day.  I noticed a ton of these lsmod procs.... Not sure if it's related....  It just so happens I was shuttin…

549 views
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I have a CentOS 4/5/6 (32-bit) Linux box, my emails with pdf are getting quarantined everytime.

is there any way I can run any command to put in some safe list or remove from quarantine for ever

4177 views

Hello Experts

My Linux device keeps on hanging with the error message below.When I try to enter a command nothing happens.

Can someone let me know whats happening

440 views

software suggestions to monitor and log EVERY file access on redhat/linux.

460 views

using just hostname or FQDN in hostnamectl set-hostname.... what are the ramifications of each?

289 views

Can some one please suggest documents on Unix grid computing.
seeking to understand how grid comuting works and is configured in unix/linux enviornment.what are the main components ?
what cluster so…

578 views

Hi Guys, I'm trying to improve my Shell script a little.
Basically it's a simple script that uses Zenity to display a form that I can use to RDP to other computers using rdesktop.
What I'd like to a…

595 views

please advise the fix
========
[bkp@dba ~]$ rpm -Uvh AvamarClient-linux-rhel4-x86_64-7.1.100-370.rpm
error: can't create transaction lock on /var/lib/rpm/.rpm.lock (Permission denied)


[bkp@dba…

1061 views

ipa - can default group for files they create be something other than the group that is their username?

348 views

i have created user with password option

#useradd -p user01 user01

When I tried to login with user01, am getting below error message, despite having correct password.

--
[user01@SRV1 ~]$ su…

1158 views
Lean Six Sigma Project Manager Certification

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OS : Oracle Linux 5

Our LAN infrastructure team moved the DNS server to new HOST & IP.

I would like to point our Linux servers to use this new DNS server.

please advice practical steps  requi…

1180 views

when should we add the entries into the /etc/host file ?

1) when the DNS server failed resolve the IP's (or)
2) Despite having the DNS server working, add entries for just for quick resolution ?

2274 views

Hi,
I run the file like


but it cannot show the web-page as expected.

957 views

CentOS - just increased vdisk size.  Now need to expand second partition on the disk, then expand LVM PV inside that, then the VG then the LV.

How do I do all this?

853 views

Hello experts,

I am a linux newbie, and was wondering if I can create an 'alias', not sure it thats the correct term, to a directory that points to another directory ?.

e.g.

my path is this,…

567 views

A proprietary app requires that the folder must have group permission
group:rwx

As this is an audit gap, can we circumvent with ACL (think starting Solaris 9
we have this) & to do so?

If the app wri…

978 views
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