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# www.fduran.com | |
# sync (copy) local to remote server directory | |
# take out dry-run after test | |
rsync --dry-run -azvrh -e 'ssh -p 2022' --exclude 'donotcopy' /var/www/ user@10.0.0.1:/var/www/ | |
# options: | |
a: archive, preserve metadata | |
z: compression | |
v: verbose |
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# www.fduran.com | |
# check ssl connection | |
echo '' |openssl s_client -ssl3 -connect google.com:443 -CApath /usr/share/ssl-cert |
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# www.fduran.com | |
# set up Celery with Django (dev queuing) | |
(source activate) | |
# install (kombu is included) | |
pip install celery | |
pip install django-celery | |
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# www.fduran.com | |
# renice many processes with the same name | |
for i in `pgrep processname`; do renice 20 -p $i; done |
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# Postfix mail review | |
# look at logs | |
tail /var/log/mail.log | |
tail /var/log/mail.err | |
# view queue | |
mailq | |
# delete deferred messages in queue | |
postsuper -d ALL deferred |
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# www.fduran.com | |
# Run script detached from an SSH terminal | |
nohup script.sh </dev/null & |
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# www.fduran.com | |
# delete files in a folder older than a number of days (100 for example) | |
find /path/to/folder -mtime +100 -exec rm -f {} \; |
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# www.fduran.com | |
# what is this process? - mini forensics on unknown running process | |
ls -l /proc/$pid/exe | |
dpkg -S /path/to/process_binary | |
strings /path/to/process_binary | |
hexdump -C /path/to/process_binary | |
netstat -tapn|grep tang | |
lsof $pid |
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# www.fduran.com | |
# test cronjobs | |
# cron running? | |
pgrep cron | |
service cron status | |
# or crond for redhat, other distros above | |
# add line in crontab: | |
*/1 * * * * root /bin/date >> /tmp/cronlog |
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# see http://mysqltuner.com/ | |
wget https://raw.githubusercontent.com/major/MySQLTuner-perl/master/mysqltuner.pl | |
perl mysqltuner.pl |
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