cat $clearfile | openssl enc CIPHER > $cryptedfile … cat $cryptedfile | openssl enc CIPHER -d > $clearfile … CIPHER: openssl list-cipher-commands # cat myfile.txt | openssl enc -des3 > myfile.txt.des3 # cat myfile.txt.des3 | openssl enc -d -des3
function do_sql { DB=”$1″ shift test -r “$DBDIR/$DB” if [ $? -ne 0 ]; then write2log “Creating DB $DB” create_db “$DB” fi if [ “x$@” == “x” ]; then return 1; fi LOOP=1;MAXLOOP=10 while true;do $SQLITE “$DBDIR/$DB” “$@” 2>/dev/null && return 0 LOOP=$(( $LOOP + 1 )) RD=”0.$(( ( RANDOM % 9 ) + 1 […]
Some hints /example: * Add a group sftpgroup: sftpgroup:*:1001: * Add a user sftpuser1. * Add a home directory for this user, it’s the sftp data directory. Here we use /data/sftp/sftpuser1 * Chown this directory to drwxr-x— 4 root sftpgroup 512 Jan 5 12:53 sftpuser1 * Tune this user, always (!) use vipw, otherwise your […]
Always use vipw, it updates the passwd database /etc/spwd.db This database is used by the running system. Any changes of /etc/passwd, dome with simple editors will be overwritten next time you will use useradd, userdel etc.
perl -e ‘print reverse <>’ < $FILE
bytes and bones 