Merge pull request #12 from tainguyenbp/feat/learn-update-script-check-linux

Create readme.md

Author: tainguyenbp

bash-basic/find-file-large-linux/dind-file-large.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+year_global=$(date +"%Y")
+month_global=$(date +"%m")
+day_global=$(date +"%d")
+ymd_global=$year_global$month_global$day_global
+
+name_file_log="file-large-size-"$ymd_global".log"
+
+path_file_log=""$CURRENT_DIR"/"$name_file_log""
+path_find_file='/'
+file_size='+10M'
+head='-500'
+string_remove_grep='grep -v \"/var/lib/mysql|/srv/minio|postgresql\"'
+
+function _remove_log_find_file() {
+
+        for i in `seq 10 20`; do
+                year_ago=$(date -d "$i days ago" +"%Y")
+                month_ago=$(date -d "$i days ago" +"%m")
+                day_ago=$(date -d "$i days ago" +"%d")
+                ymd_ago=$year_ago$month_ago$day_ago
+                rm -rf "$path_file_log"/_"$ymd_ago"
+        done
+}
+
+function _report_find_file_large() {
+
+        find $path_find_file -xdev -type f -size $file_size -exec du -sh {} ';'| sort -rh | head $head | $string_remove_grep >> $path_file_log &
+
+}
+
+_report_find_file_large

bash-basic/find-file-large-linux/readme.md

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+# find file large linux and report to file log

bash-basic/find-inode-system/find-inode-system.sh

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+#!/bin/bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+year_global=$(date +"%Y")
+month_global=$(date +"%m")
+day_global=$(date +"%d")
+ymd_global=$year_global$month_global$day_global
+
+name_file_log="log-inode-system-"$ymd_global".log"
+path_file_log=""$CURRENT_DIR"/"$name_file_log""
+
+echo "" > $path_file_log
+path_find_inode='/home/*'
+
+function _remove_log_find_file() {
+
+        for i in `seq 10 20`; do
+                year_ago=$(date -d "$i days ago" +"%Y")
+                month_ago=$(date -d "$i days ago" +"%m")
+                day_ago=$(date -d "$i days ago" +"%d")
+                ymd_ago=$year_ago$month_ago$day_ago
+                rm -rf "$path_file_log"/_"$ymd_ago"
+        done
+}
+
+function _report_find_inode_system(){
+
+        echo "Path Directory Find Inode System: $path_find_inode"
+        echo "Path Directory Find Inode System: $path_find_inode" >> $path_file_log
+        for directory_path in $path_find_inode;
+                do result_find_inode=$(find $directory_path | wc -l);
+                printf "$result_find_inode\t\t- $directory_path\n";
+                printf "$result_find_inode\t\t- $directory_path\n" >> $path_file_log
+        done
+}
+
+_report_find_inode_system

bash-basic/find-inode-system/readme.md

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+# find inode of the linux system
+Fix No Space Left on Device

bash-basic/linux-cve/readme.md

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+# script run fix cve

bash-basic/tcpdump/crontab

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+SHELL=/bin/bash
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+MAILTO=root
+HOME=/
+
+# For details see man 4 crontabs
+
+# Example of job definition:
+# .---------------- minute (0 - 59)
+# |  .------------- hour (0 - 23)
+# |  |  .---------- day of month (1 - 31)
+# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
+# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
+# |  |  |  |  |
+# *  *  *  *  * user-name command to be executed
+*/20 * * * * root check_tcpdump/kill_tcpdump.sh

bash-basic/tcpdump/kill_tcpdump.sh

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+#!/bin/bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+logPath="$DIR/log_kill_tcpdump"
+
+log_message() {
+        echo -e $1 >> $logPath
+}
+
+kill_tcpdump() {
+
+        killall tcpdump
+}
+remove_log_tcpdump() {
+
+        for i in `seq 2 10`; do
+                year=$(date -d "$i days ago" +"%Y")
+                month=$(date -d "$i days ago" +"%-m")
+                day=$(date -d "$i days ago" +"%-d")
+                ymd=$year$month$day
+                rm -rf "$DIR"/"$ymd"
+        done
+}
+start_tcpdump() {
+        "$DIR"/check_tcpdump.sh
+}
+
+log_message "\n\n\n\n\n----------- Checking System Info -----------"
+log_message "Checking Time: $(date)"
+kill_tcpdump
+remove_log_tcpdump
+start_tcpdump

bash-basic/tcpdump/readme.md

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+# script auto tcpdump for everydays
+### you have add script run auto in the cronjob

bash-basic/tcpdump/run_tcpdump.sh

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+#!/bin/bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+year=$(date +"%Y")
+month=$(date +"%-m")
+day=$(date +"%-d")
+
+hour=$(date +"%H")
+munites=$(date +"%M")
+second=$(date +"%S")
+
+name=$(hostname)
+
+hms=$hour$munites$second
+ymd=$year$month$day
+
+mkdir -p "$CURRENT_DIR"/"$ymd"
+
+DIRECTORY="$CURRENT_DIR"/"$ymd"
+
+        if [ -d "$DIRECTORY" ];
+                then
+                        echo "Folder $DIRECTORY exists"
+                                sleep 2
+                                tcpdump -i eth1 -n -s 0 port 5060 -vvv -w "$CURRENT_DIR"/"$ymd"/log-eth1-"$name"-"$ymd"-"$hms".pcap &
+                                tcpdump -i eth0 -n -s 0 port 5060 -vvv -w "$CURRENT_DIR"/"$ymd"/log-eth0-"$name"-"$ymd"-"$hms".pcap &
+
+        elif [ ! -d "$DIRECTORY" ];
+                then
+                        echo "Folder $DIRECTORY doesnt exists"
+                              mkdir -p "$CURRENT_DIR"/"$ymd"
+                        echo "Creating Foleder $DIRECTORY Done !!!"
+                                sleep 2
+                                tcpdump -i eth1 -n -s 0 port 5060 -vvv -w "$CURRENT_DIR"/"$ymd"/log-eth1-"$name"-"$ymd"-"$hms".pcap &
+                                tcpdump -i eth0 -n -s 0 port 5060 -vvv -w "$CURRENT_DIR"/"$ymd"/log-eth0-"$name"-"$ymd"-"$hms".pcap &
+        fi