All Questions
0
votes
0answers
2 views
Sendmail 8.14.4 on CentOS 6.8 tcpwrappers problem
I am running a sendmail server on CentOS 6.8. For MTA connections on port25 I want to use tcpwrappers to reject host with no PTR DNS record.
so my hosts.allow looks like :
sendmail: ALL EXCEPT ...
0
votes
0answers
7 views
ALL =(ALL) ALL - does the third ALL given them all access?
When it is three ALL's like this, all the users can sudo to all the commands, right?
When it's just one ALL - it only means all the users without that one group can sudo to just the specified ...
1
vote
0answers
3 views
Lower Mouse Speed
I upgraded my Arch-Linux but now my mouse is too fast.
I googled around and most posts say to lower Device Accel * Deceleration but I don't have such settings:
# xinput list-props 8
Device 'Logitech ...
0
votes
0answers
8 views
/dev/input - What exaclty is this?
I was curious about how hardware interacted with the OS and came across this post: How do keyboard input and text output work?
It seems like a lot of the magic happens in the /dev/input directory. I ...
-1
votes
1answer
12 views
For loop for creating files having consecutive names
I want to create files like song1.mp3,song2.mp3,song3.mp3... in my home directory.How to create this using for loop?
-2
votes
0answers
16 views
Process file and do data validation for each column
I have file like below:
000679|20161212|+650000123|AUD|123.879
0A0679|20161243|650000123|AD|123879
000555|20161310|+65AA00123|A8D|123.X879
I have to parse the file and do data validation as below. ...
0
votes
0answers
16 views
(e)grep -v failing
I've used grep -v and egrep -v for many years and it's never failed that I can recall...until now.
Just checking for a PID in a Splunk 'status' command and I get a long message starting with "Warning"...
0
votes
0answers
5 views
Cannot run Valar-benchmark on RHEL 6.6
I am trying to run the "Valar" benchmark applications on my system through Qt Creator and am getting errors when I build the code:
https://github.com/Frinhard/valar-bench
I typed the command: ...
0
votes
0answers
7 views
Fedora 25: GNOME problem with logging back in
I am experiencing a problem regarding logging into my graphical session with Fedora 25 (4.9.5-200.fc25.x86_64).
If I log out of my account, and then I try to log into any account, the screen goes ...
0
votes
0answers
15 views
Shrinking /home to expand root, without LVM?
I have a workstation with a 10GB root partition (/dev/sda1) and a 104GB /home partition (/dev/sda6). This machine is not using LVM. The root partition has filled up, so I need to reallocate some of ...
0
votes
0answers
7 views
Ubuntu Server 14.04.1 can't connect via Ethernet: packets got lost after some time
I am quite fresh in questions of setting network connections and doing something according to instructions found on Internet, so don't have a clue what exactly I am doing. Somehow there were no ...
1
vote
1answer
21 views
Running a for loop in parallel [on hold]
I have a question regarding linux parallel scripts:
Context: I need to process many .dat files
Code I have so far:
#!/bin/bash
#PBS -S /bin/bash
# set parallel parameters
#PBS -r n
#PBS -l ...
0
votes
1answer
14 views
Raspberry Pi Timed Shell script
I'd like a little help on how I would run a command over time. It's a node one. Basically I run a steam bot and I'd like it to restart over a certain amount of time. I'd like every 3 hours or just how ...
-1
votes
0answers
13 views
How can I use “expect” to input passwords into a webbrowser? [on hold]
Can expect input passwords to webbrowsers? Or only via commandline?
3
votes
3answers
52 views
sed: how to disable autoprinting via script file instead of using the -n switch?
I had a confusion with this topic between switching between command line and script file interface. I had a nice script written out in the command line that worked, but as soon as I wanted to save it ...
