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Author : Larry Martell
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When I try and send mail I see this in the maillog:Sep6 11:59:48 postfix/sendmail[11059]: fatal: open/etc/postfix/main.cf: Permission deniedBut /etc/postfix/main.cf is world readable:$ ls -l /etc/postfix/main.cf-rw-r–r–. 1 root root 27176 Jun92..
I am running CentOS 7 and I have python version:Python 2.7.5 (default, Sep 15 2016, 22:37:39)I need a newer version of 2.7 to pick up a bug fix. How can I do that(without breaking anything i..
I have a R script that I am running from python with rpy2. On a debian system I run this:apt-get install R-cran-ggplot2 R-cran-caretAnd the script works. I want to move this to CentOS 7 system. There it cannot find R-cran-ggplot2 or R-cran-caret. D..
I have a C++ program that I have been running on RedHat 6 and I want to move to CentOS 7. When I run it on the CentOS 7 system it fails with:error while loading shared libraries: libGLU.so.1: cannot open shared object file: No such file or directo..
I an running CentOS7 in a docker container. I need to send email from that container so I installed sendmail and then I run:m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf` and when I try and send mail it fails with:larry.martll@gmail.com… Connect..
I am trying to get a CentOS 6 system on the internet with a tethered iPhone. I can see the phone with lsusb as bus 001 device 011. A post on stackoverflow said I would need to run # ip link set usb0 up && dhcpcd usb0But how do I reference my phone..
I have some software that says it requires JRE 8.1 or higher. If I go to http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html and install jre-8u144-linux-x64.rpm I get jrel.8.0_144. Anyone know where I ca..
I have a CentOS 6 system that has suddenly starting significantly slowing down. It runs a django app with an Apache server and MySQLserver. There is plenty of disk space and no process seems to be hogging the memory or CPU. But operations that used..
I have a CentOS 7 system that I run a home grown python daemon on. I run this same daemon on many other systems without any incident. On this one system the daemon seems to die or be killed every day around 3:30am. There is nothing it its log or ..
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