######crontab######
crontab -l
crontab -e
MAIL=test@test
*/8 * * * * script ==>starting every 8 minutes
[Minute] [hour] [Day_of_the_Month] [Month_of_the_Year] [Day_of_the_Week] [command]
0 2 * * * script ==>starting at 2 am
0 5,17 * * * script ==>starting at 05:00 and 17:00
* * * * * script ==>starting evry minute
0 17 * * sun /scripts/script.sh ==>starting every sunday 17:00
* * * jan,may,aug * /script/script.sh ==>starting on certain months
0 */4 * * * /scripts/script.shcc ==>starting evry 4 hours
* * * * * /scripts/script.sh
* * * * * sleep 30; /scripts/script.sh ==>starting every 30 seconds
@reboot /scripts/script.sh ==>starting at startup
0 2 * * sun [ $(date +%d) -le 00 ] && script ==>starting first sunday of the month
0 4,17 * * sun,mon script
######Qt5######
sudo apt-get update
sudo apt-get install build-essential
sudo apt-get install qtcreator
sudo apt-get install qt5-default
sudo apt-get install qt5-doc qtbase5-examples qtbase5-doc-html
sudo tcpdump -t eth0 -c100000 -nn -vv -A
sudo tcpdump -D
which tcpdump
scp -p filename usraname@machine:/home/username
tar -cvf dir_2021.tar /home/dirname
tar -xvf filename.tar
vnstat --live
ln -sf /usr/bin/snmpshell /usr/bin/snmpdf
ln -sf snmpget
gcc -o test2020 test.c
killall -9 exename
adduser username
passwd username
usermod -aG root sboersen
chmod 777 filename
rm -r *
sudo chmod -R g+w /home/LogData
sudo groupadd /home/LogData
ln -sf /usr/bin/snmpshell /usr/bin/snmpdf
ln -sf /usr/bin/snmpshell /usr/bin/snmpget
snmpdf_
chown user file
xxx-repo.repo
cd /etc/yum.repos.d
(su) yum clean all
yum check-update
yum update
rpm -qa --last
Ssh -fN -q -C -c blowfish -L 5804:127.0.0.1 :5901 dp196
C:\ProgramData\App-V\930417FA-7616-4E13-A24F-EB16F1A8421A\6B8FEDC5-73CE-403=
2-AA4B-226A6A5C0AE5\Root\vncviewer.exe
/usr/bin/setsid /usr/bin/XWin -rootless -resize=3Dnone -notrayicon -silent-=
dup-error -noresize 1> /dev/null 2>&1 &
export DISPLAY=3D:0.0
/usr/bin/ssh -p 222 -Y -C -c aes256-ctr -f
-L 5901:192.168.1.3:3389
-L 5902:172.20.41.36:3389
-L 5903:172.20.52.29:3389
-L:5904:172.20.52.38:5900
-L 5905:172.16.2.66:5900
-L 5906:172.20.73.37:5900
-L 5907:172.16.2.130:5900
-L 5908:192.168.1.1:5900
-L 5809:127.0.0.1:5809
-L 5800:127.0.0.1:5908
-L:5801:127.0.0.1:5801
-L 5802:127.0.0.1:5802
-L 5803:127.0.0.1:5803
-L 5804:127.0.0.1:5804
-L 5805:127.0.0.1:5805
-L 5806:127.0.0.1:5806
-L 5807:127.0.0.1:5807
-L 5808:127.0.0.1:5808
-L 5810:127.0.0.1:5810
-L 80:127.0.0.1:80
-L 8003:127.0.0.1:8003
-L 8004:127.0.0.1:8004 -L
8005:127.0.0.1:8005
hittys[at]172.20.52.154
gnome-session 1> /dev/null 2>&1
https://www.openssh.com/manual.html
ssh -X -C hittsys@dp85 vncviewer 127.0.0.1:5901
#!/bin/bash
PATH=3D$PATH:/sbin
cd ~
#/usr/bin/chromium-browser --no-startup-window & disown
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp91 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5801:127.0.0.1:5901 dp91 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp92 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5802:127.0.0.1:5901 dp92 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp93 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5803:127.0.0.1:5901 dp93 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp94 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5804:127.0.0.1:5901 dp94 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp95 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5805:127.0.0.1:5901 dp95 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp96 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5806:127.0.0.1:5901 dp96 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp97 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5807:127.0.0.1:5901 dp97 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp98 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5808:127.0.0.1:5901 dp98 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep dp85 | wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5810:127.0.0.1:5901 dp85 & disown
fi
if [ "${HOSTNAME}" =3D=3D "dp90" ]
then
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep "192.168.1.1" |=
wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5809:127.0.0.1:5901 192.168.1.=
1 & disown
fi
tunnel=3D$(ps -ef | grep ssh | grep blowfish | grep "192.168.1.4" |=
wc -l)
if [ "${tunnel}" =3D=3D "0" ]
then
ssh -fN -q -C -c blowfish -L 5908:127.0.0.1:5900 192.168.1.=
4 & disown
fi
fi
#killall -9 chromium-browser
killall -9 gnome-volume-control-applet
if [ "${HOSTNAME}" =3D=3D "dp90" ]
then
gnome-terminal --geometry=3D100x30+80+380 --hide-menubar -t Trackte=
st -e '/home/hittsys/.icewm/tracktest' & disown
sleep 1
fi
gnome-terminal --geometry=3D100x30+80+380 --hide-menubar -t Lees-VPN -e '/h=
ome/hittsys/.icewm/lees' & disown
sleep 1
#/usr/bin/chromium-browser --new-window http://127.0.0.1 & disown
~/.icewm/start_aramis & disown
#rdesktop -T OHD-Beheer -u hbr -g 1024x768 -z 172.20.52.29 & disown
#rdesktop -T Meetnet -u Producer -g 1280x720 -z 192.168.1.3 & disown
#rdesktop -T Terma-Goeree -u Terma -g 1280x720+100+100 -r disk:myshare=3D/h=
ome/hittsys/terma -z tbp41 & disown
xterm -T Netwerkmonitor-DP20 -geometry 200x40 -e ssh -C -c blowfish -o Cont=
rolMaster=3Dno dp20 'tail -F netlog.txt 2>/dev/null & disown ' & disown
#/opt/Citrix/ICAClient/wfica ~/.icewm/naiade.ica &
export DISPLAY=3D:0.0
xhost +