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Permission denied on accessing host directory in Docker
...s script is:
# update the uid
if [ -n "$opt_u" ]; then
OLD_UID=$(getent passwd "${opt_u}" | cut -f3 -d:)
NEW_UID=$(stat -c "%u" "$1")
if [ "$OLD_UID" != "$NEW_UID" ]; then
echo "Changing UID of $opt_u from $OLD_UID to $NEW_UID"
usermod -u "$NEW_UID" -o "$opt_u"
if [ -n "$opt_r" ];...
How do I avoid the specification of the username and password at every git push?
... I ran step 1 and step 2 on ubuntu but it still asks me for u_id passwd. I also ran: ssh -T git@github.com. Still the same. What to do?
– Radhika
Jan 7 '15 at 7:24
4
...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...n
pgConnect = pg.connect(dbname= db_name, host='localhost', user= db_user, passwd= db_pass)
# Rename schema with the new name
pgConnect.query("ALTER SCHEMA " + schema_as_template + " RENAME TO " + str(newSchema))
# Dump it
command = 'export PGPASSWORD="' + db_pass + '" && pg_dump -U ' + db...
How to save username and password with Mercurial?
...efix = https://bitbucket.org/repo/path
bb.username = foo
bb.password = foo_passwd
The ‘bb’ part is an arbitrary identifier and is used to match prefix with username and password - handy for managing different username/password combos with different sites (prefix)
You can also only specify the...
Why can't strings be mutable in Java and .NET?
...en somehow you manage to change the
file name you can request to open
"passwd" file or any other. Then a
file can be modified and it will be
possible to login directly to OS.
Second - Memory efficiency http://hikrish.blogspot.com/2006/07/why-string-class-is-immutable.html
JVM internall...
Catching an exception while using a Python 'with' statement
...nally:
f.close()
Used as follows:
with opened_w_error("/etc/passwd", "a") as (f, err):
if err:
print "IOError:", err
else:
f.write("guido::0:0::/:/bin/sh\n")
share
|
...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
... <stdio.h>
#include <pwd.h>
static void func(int signo)
{
struct passwd *rootptr;
if( ( rootptr = getpwnam( "root" ) ) == NULL )
{
err_sys( "getpwnam error" );
}
signal(SIGALRM,func);
alarm(1);
}
int main(int argc, char** argv)
{
signal(SIGALRM,f...
PHP + MySQL transactions examples
...s";
$member_name = "EleventyOne";
$conn = new mysqli($db_host,$db_user,$db_passwd,$db_name); // error-check this
// note: this is meant for InnoDB tables. won't work with MyISAM tables.
try {
$conn->autocommit(FALSE); // i.e., start transaction
// assume that the TABLE groups has an a...
python-pandas and databases like mysql
...SQLdb.connect(host='myhost',
port=3306,user='myusername', passwd='mypassword',
db='information_schema')
df_mysql = pd.read_sql('select * from VIEWS;', con=mysql_cn)
print 'loaded dataframe from MySQL. records:', len(df_mysql)
mysql_cn.close()
...
How to manually expand a special variable (ex: ~ tilde) in bash
...${username#"~"}
IFS=: read -r _ _ _ _ _ homedir _ < <(getent passwd "$username")
if [[ $path = */* ]]; then
path=${homedir}/${path#*/}
else
path=$homedir
fi
;;
esac
resultPathElements+=( "$path" )
done
local result
print...