Linux OS Dev
Articles & Videos
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.
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 …
"uptime" high (200+) on RHEL6 but CPU usage is low... any ideas why?
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 …
How do you keep a few machines from getting an update in a Puppet environment.
New to Puppet thank you!
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…
I would like to run the following script from a directory other than root:
./wrapper-linux -m ./i86bi-linux-l3-adventerp
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…
As is too often the case, no replies in the openwrt forums so here goes.
Reading this; https://wiki.openwrt.org/d
However, it is still not clear to me how I could create the db the …
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…
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…
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
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
software suggestions to monitor and log EVERY file access on redhat/linux.
using just hostname or FQDN in hostnamectl set-hostname.... what are the ramifications of each?
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…
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…
please advise the fix
[bkp@dba ~]$ rpm -Uvh AvamarClient-linux-rhel4-x
error: can't create transaction lock on /var/lib/rpm/.rpm.lock (Permission denied)
ipa - can default group for files they create be something other than the group that is their username?
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…
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…
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 ?
I run the file like
but it cannot show the web-page as expected.
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?
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 ?.
my path is this,…
Have you ever been frustrated by having to click seven times in order to retrieve a small bit of information from the web, always the same seven clicks, scrolling down and down until you reach your tar…
The purpose of this article is to demonstrate how we can upgrade Python from version 2.7.6 to Python 2.7.10 on the Linux Mint operating system. I am using an Oracle Virtual Box where I have…