deviousway

download iso from repo
https://www.dell.com/support/article/us/en/04/sln296511/updating-dell-poweredge-servers-via-bootable-media-iso?lang=en
mkdir -p /mnt/disk
mount -o loop download /mnt/disk
#where  "download" is name  of downloaded file.
yum install -y glibc.i686  procmail compat-libstdc++-33.i686 libxml2.i686 libstdc++.i686

cd /mnt/disk/drm_files/repository/System$$$$$$$
sh ./apply_components.sh

deviousway

mkdir -p /mnt/disk
mount -o loop $$$$.iso /mnt/disk

yum install squashfs-tools
unsquashfs filesystem.squashfs
mv filesystem.squashfs /path/to/backup/


 mount squashfs/LiveOS/ext3fs.img ext3fs -o loop 

deviousway

 /etc/sysconfig/network-scripts/ifcfg-enp2s0
IPV6INIT=no
BOOTPROTO=static
DEVICE=enp2s0
ONBOOT=yes
UUID="ccea7d4f-855b-496e-945b-da7fe543b725"
IPADDR=104.193.150.10
NETMASK=255.255.255.248
GATEWAY=104.193.150.9

deviousway

lsof -Pnl +M -i4 | grep LISTEN

deviousway

cat $filename | egrep -v "^#"
or
cat $filename | egrep -v "(^#.*|^$)"

deviousway

exim -bp | awk '/^ *[0-9]+[mhd]/{print "exim -Mrm " $3}' | bash
or
exim -bp | exiqgrep -i | xargs exim -Mrm

deviousway

sed -i 's/oldstring/new string/g'

deviousway

for i in *mkv; do ffmpeg -i $i -vcodec copy -acodec copy $i.mp4; done

deviousway

ffmpeg -i $input -map_channel 0.1.1  -strict -2 $output

deviousway

#Show email passwords.
/usr/local/psa/admin/sbin/mail_auth_view