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Rsync
Configuration /etc/rsyncd.conf ## /etc/rsyncd: configuration file for rsync daemon mode --- ##...
netstat/lsof/ss
pgsql port is visible by lsof not netstat or ss k8s pod port is visible by netstat not lsof 这种差异主...
IPVS
POC Proxy
机器 poc-proxy 192.168.255.250 Nginx/etc/nginx/vhost IPTables iptables -t nat -L -n -v Chain PR...
Safely Delete
WARNINGDO NOT DELETE THE PATH DIRECTLY. /var/log/journal/ Commands Get Disk Usage journalctl --...
SED
Stream Editor, a stream text processor, authored by Lee E. McMahon. Basic Syntax sed [OPTIONS] 'c...
Regular Expression
Regular Expressions (regex) can be divided into the following categories based on different stand...
Multi-Lines Text
Echo Command Using the -e option can create simple multi-line text. echo -e 'aa\nbb' aa bb He...
GAWK 2
Regular Expression gawk defaults to using ERE mode. Basic Usage First, create the foo text file....
GAWK 1
Gnu Awk Gawk is the GNU version of the text processing tool. In most GNU/Linux distributions, Ga...