Apache2 and PAM Limits

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With­in the out­put of the com­mand sys­tem­ctl sta­tus apache2.service was found the fol­low­ing er­ror mes­sages:

pam_limits(sudo:session): Could not set limit for 'core' to soft=0, hard=-1: Operation not permitted; uid=33,euid=0
pam_limits(sudo:session): Could not set limit for 'nofile' to soft=1024, hard=1048576: Operation not permitted; uid=33,euid=0

The so­lu­tion is pro­vid­ed with­in the an­swers of the ques­tion How to set ulim­it val­ue per­ma­nent­ly? at Serv­er Fault. The ap­plied steps are shown be­low, and of course the serv­er was restart­ed.

sudo nano /etc/pam.d/common-session

# https://serverfault.com/questions/610130/how-to-set-ulimit-value-permanently
session required pam_limits.so

sudo nano /etc/security/limits.conf

# https://serverfault.com/questions/610130/how-to-set-ulimit-value-permanently
*               soft    core            0
*               hard    core            -1
*               soft    nofile          65535
*               hard    nofile          1048576
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